ZINC OXIDE VARISTOR
Are non-linear resistors utilize a semiconductor electronic ceramic element mainly composed of Zinc Oxide
and its resistors change as a function of the applied voltage .It s called Varistor or Transient surge absorbers
FEATURES
(18V~1.8KV)
Widely voltage range 18V~1.8KV
(
Fast response to the rapidly increase Voltage(
25ns)
25ns)
Excellent non-linearity voltage
Symmetric V-l characteristics
2
Great withstanding surge current (2000A/cm2)
(2000A/cm )
No follow-on current
Long life
HOW TO ORDER
F
NR
Fenghua Advanced
technology (holding)
K
(mm)
Non
Linear
Diameter
05
07
10
14
20
180
5
7
10
14
20
upturn
region
103
=1012~13
10
cm
2
1=kv
=1-10
cm
10
-7
-5
-6
-4
-3
-2
10-8 10 10 10 10 10 10 10
-1
2
3
4
5
1 10 10 10 10 10
Current(A)
Fig1
Voltage Current Characteristic
184
B
Voltage
180=18
181=18
182=18
nomal operating
region
Packing code
Varistor
CHARACTERISTICS
pre breakdown
region
T
(V)
Tolerance
10%
K
20%
M
Element
Resistor
VOLTAGE(V)
Co.,Ltd
05
Bulk
0
10
1
10
10 2
T
Tape & Reel
ZINC OXIDE VARISTOR
LEAD STYLE
Code
Fig.C
Fig.B
Fig.A
Configuration
4.8Max
4.8Max
3..0m ax
straight long
A
4.8
d
10.0Min
1.0
4.5
B
1.0
Outside Crimped short
Fig.E
Vertical Crimped
C
D
Fig.F
Fig.D
straight short
4.8Min
4.8Max
Outside Crimped Long
E
10.0Min
3.0Max
4.5
d
Inside Crimped short
F
QUANTITY& MEASURE
Quantity/
Plastic bag
Bluk
Code
Tape
A.E
B.F.E
05K
500
1000PCS
2500PCS
07K
500
1000PCS
1500PCS
10K
300
500PCS
1000PCS
14K
150
500PCS
1000PCS
20K
100
300PCS
500PCS
25K
50
200PCS
32K
50
40K
25
185
1.0
DIMENSION
T
Thickness (max) (
Unit:mm)
05k
07k
10k
14k
20k
180
4.5
4.5
4.6
4.6
4.6
220
4.6
4.6
4.7
4.7
4.9
270
4.7
4.7
4.8
4.8
5.0
330
4.9
4.9
5.0
5.0
5.2
390
4.8
4.8
5.3
5.3
5.5
470
4.9
4.9
5.4
5.4
5.6
560
5.0
5.0
5.5
5.5
5.7
5.8
Part
25k
32k
40k
Code
A
B
d
C
Part
Code
MAX
MAX
680
5.2
5.2
5.6
5.6
820
4.1
4.1
4.7
4.7
4.9
101
4.3
4.3
4.9
4.9
5.1
121
4.5
4.5
5.1
5.1
5.3
151
4.8
4.8
5.4
5.4
5.6
181
4.3
4.3
5.0
5.0
5.2
201
4.4
4.4
5.0
5.0
5.2
5.4
5.6
5.6
221
4.5
4.5
5.0
5.0
5.3
5.5
5.7
5.7
241
4.6
4.6
5.2
5.2
5.4
5.6
5.8
5.8
271
4.9
4.9
5.4
5.4
5.6
5.8
6.0
6.0
05K
7.5
10
0.6 0.05
5 1
07K
9.5
14
0.6 0.05
5 1
10K
14
19
0.8 0.05
7.5 1
301
5.0
5.0
5.5
5.5
5.7
5.9
6.1
6.1
14K
17.5
20/22
0.8 0.05
7.5 1
331
5.1
5.1
5.8
5.8
6.0
6.1
6.3
6.3
20K
24
28/30
1.0 0.05
10 1
361
5.2
5.2
6.0
6.0
6.2
6.4
6.6
6.6
391
5.4
5.4
6.2
6.2
6.4
6.6
6.8
6.8
431
5.7
5.7
6.5
6.5
6.7
6.9
7.1
7.1
471
6.0
6.0
6.8
6.8
7.0
7.2
7.4
7.4
511
6.0
6.0
6.8
6.8
7.0
7.2
7.4
7.4
561
6.0
6.0
6.8
6.8
7.0
7.2
7.9
7.9
621
7.1
7.3
7.3
7.8
8.0
8.2
8.2
681
7.3
7.6
7.6
7.8
8.0
8.2
8.2
751
8.0
8.0
8.2
8.4
8.6
8.6
781
8.1
8.1
8.3
8.5
8.7
8.7
821
8.3
8.3
8.5
8.7
8.9
8.9
911
8.8
8.8
9.0
9.2
9.4
9.4
102
9.3
9.3
9.5
9.7
9.9
9.9
112
9.9
9.9
10.1
10.3
10.5
10.5
25K
30
33
1.5 0.05
15 1
32K
38
43
1.5 0.05
18 1
40K
48
52
1.5 0.05
18 1
186
ZINC OXIDE VARISTOR
TAPING SPECIFICATION
h
P2
P
D0
W
1.0
H
H0
w1
w0
2.0
F P1
D0
t
L
d
P0
Unit:mm
Series
5
Symbol
7
10
D
7.0Max
d
0.6 0.05
0.6
P
12.7 1.0
P0
12.7 1.0
P1
3.85
0.70
3.85
0.70
3.75
P2
6.35
1.30
6.35
1.30
7.5
D0
9.0Max
14
14.0Max
17.0Max
0.8 0.05
0.8 0.05
12.7 1.0
15.0
1.0
30.0
1.0
12.7 1.0
15.0
1.0
15.0
1.0
0.05
0.70
1.30
7.5
1.30
4.0 0.2
4.0 0.2
4.0
W
18 1.0
18 1.0
18 1.0
18 1.0
W0
12.5 MIN
12.5 MIN
12.5 MIN
12.5MIN
W1
9.0 1.0
9.0 1.0
9.0
9.0
W2
3.0 MAX
3.0 MAX
3.0 MAX
3.0 MAX
H
20
20
20
20
H0
16.0 1.0
16.0 1.0
h
0
2.0
0
2.0
0.2
3.85 0.70
1.0
16.0
0
1.0
2.01
4.0
0.2
1.0
16.0
0
1.0
2.01
t
0.6
0.3
0.6
0.3
0.6
0.3
0.6
0.3
L
9.0 1.0
9.0
1.0
9.0
1.0
9.0
1.0
F
5.0
5.0
1.0
7.5
1.0
7.5
1.0
1.0
187
5K
SERIES SPECIFIATION
Maximum
Maximun
Maximum
Withstanding
clamping Voltage
Energy
Surge Current
2ms
(8/20 S )
Maximun
operating
Voltage
Varistor
Voltage
AC
DC
V0.1mA
Vc
IP
1 Time
(V)
(V)
(V)
(V)
(A)
(A)
FNR-05K180
11
14
18
16.2
19.8
40
1
FNR-05K220
14
18
22
19.8
24.2
48
FNR-05K270
17
22
27
24.3
29.7
FNR-05K330
20
26
33
29.7
FNR-05K390
25
31
39
FNR-05K470
30
38
FNR-05K560
35
FNR-05K680
Part
Number
(
Rated
Wattage
(1K Hz)
Capacitance
(Reference
(J)
(W)
100
0.4
0.01
1600
1
100
0.5
0.01
1300
60
1
100
0.6
0.01
1050
36.3
73
1
100
0.8
0.01
900
35.1
42.9
86
1
100
0.9
0.01
500
47
42.3
51.7
104
1
100
1.1
0.01
450
45
56
50.4
61.6
123
1
100
1.3
0.01
400
40
56
68
61.2
74.8
150
1
100
1.6
0.01
350
FNR-05K820
50
65
82
73.8
90.2
155
5
400
1.8
0.1
250
FNR-05K101
60
85
110
175
5
400
2.2
0.1
200
FNR-05K121
75
100
120
108
132
210
5
400
2.5
0.1
170
FNR-05K151
95
125
150
135
165
260
5
400
4.0
0.1
140
FNR-05K181
115
150
180
162
198
315
5
400
4.5
0.1
110
FNR-05K201
130
170
200
180
220
355
5
400
5.0
0.1
80
FNR-05K221
140
180
220
198
242
380
5
400
6.0
0.1
70
FNR-05K241
150
200
240
216
264
415
5
400
6.5
0.1
70
FNR-05K271
175
225
270
243
297
475
5
400
8.0
0.1
65
FNR-05K301
200
250
300
270
330
525
5
400
8.0
0.1
55
FNR-05K331
210
275
330
297
363
580
5
400
8.5
0.1
60
FNR-05K361
230
300
360
324
396
620
5
400
10.0
0.1
50
FNR-05K391
250
320
390
351
429
675
5
400
10.0
0.1
50
FNR-05K431
275
350
430
387
473
745
5
400
12.0
0.1
45
FNR-05K471
300
385
470
423
517
810
5
400
13.0
0.1
40
FNR-05K511
320
415
510
459
561
845
5
400
14.0
0.1
39
FNR-05K561
350
460
560
504
616
920
5
400
14.0
0.1
39
100
90
188
( PF)
ZINC OXIDE VARISTOR
5K
Series
Impluse Lifetime Ratings
(2 time:5 minutes internal
up to 10 times 2 minutes internal
up to 10 6 times 10 seconds internal)
V-I Curve
400
300
200
Voltage(V)
150
100
90
80
70
60
50
40
30
20
15
10
9
8
7
6
5
4
Impulse width u s)
Current(A)
2000
1000
900
800
700
600
500
400
300
200
150
100
90
80
70
60
50
40
30
Impulse width u s)
Current(A)
189
7K
Part
Number
SERIES SPECIFIATION
Maximum
Maximun
Withstanding
clamping Voltage
Surge Current
(8/20 S )
Maximun
operating
Voltage
Varistor
Voltage
AC
V0.1mA
Vc
IP
1 Time
(A)
(A)
DC
Maximum
Energy
2ms
(
Rated
Wattage
(1K Hz)
Capacitance
(Reference
(J)
(W)
(PF)
(V)
(V)
(V)
(V)
FNR-07K180
11
14
18(16.2~19.8)
36
3
250
0.9
0.02
3500
FNR-07K220
14
18
22(19.8~24.2)
43
3
250
1.1
0.02
2800
FNR-07K270
17
22
27(24.3~29.7)
53
3
250
1.4
0.02
2000
FNR-07K330
20
26
33(29.7~36.3)
65
3
250
1.7
0.02
1500
FNR-07K390
25
31
39(35.1~42.9)
77
3
250
2.1
0.02
1350
FNR-07K470
30
38
47(42.3~51.7)
93
3
250
2.5
0.02
1150
FNR-07K560
35
45
56(50.4~61.6)
110
3
250
3.1
0.02
950
FNR-07K680
40
56
68(61.2~74.8)
135
3
250
3.6
0.02
700
FNR-07K820
50
65
82(73.8~90.2)
135
10
1200
4.2
0.25
550
FNR-07K101
60
85
100(90~110)
165
10
1200
4.8
0.25
500
FNR-07K121
75
100
120(108~132)
200
10
1200
5.9
0.25
450
FNR-07K151
95
125
150(135~165)
250
10
1200
8.0
0.25
350
FNR-07K181
115
150
180(162~198)
300
10
1200
10.0
0.25
300
FNR-07K201
130
170
200(180~220)
340
10
1200
13.0
0.25
250
FNR-07K221
140
180
220(198~242)
360
10
1200
13.0
0.25
250
FNR-07K241
150
200
240(216~264)
395
10
1200
13.0
0.25
200
FNR-07K271
175
225
270(243~297)
455
10
1200
15.0
0.25
170
FNR-07K301
200
250
300(270~330)
500
10
1200
17.0
0.25
150
FNR-07K331
210
275
330(297~363)
550
10
1200
22.0
0.25
150
FNR-07K361
230
300
360(324~396)
595
10
1200
20.0
0.25
130
FNR-07K391
250
320
390(351~429)
650
10
1200
22.0
0.25
130
FNR-07K431
275
350
430(387~473)
710
10
1200
26.0
0.25
110
FNR-07K471
300
385
470(423~517)
775
10
1200
26.0
0.25
100
FNR-07K511
320
415
510(459~561)
840
10
1200
26.0
0.25
100
FNR-07K561
350
460
560(504~616)
925
10
1200
26.0
0.25
90
FNR-07K621
385
505
620(558~682)
1025
10
1200
26.0
0.25
80
FNR-07K681
420
561
680(612~748)
1120
10
1200
26.0
0.25
75
190
ZINC OXIDE VARISTOR
7K
Series
Impluse Lifetime Ratings
V-I Curve
(2 time:5 minutes internal
up to 10 times 2 minutes internal
up to 10 6 times 10 seconds internal)
FNR-7K180 to FNR-7K680
400
300
200
150
100
90
80
70
60
50
40
30
20
15
10
9
8
7
6
5
4
Impulse width u s)
Current(A)
FNR-7K820 to FNR-7k681
2000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
Impulse width u s)
Current(A)
191
10K
Part
Number
SERIES SPECIFIATION
Maximun
operating
Voltage
Varistor
Voltage
AC
Maximum
Maximun
Withstanding
clamping Voltage
Surge Current
(8/20 S )
DC
(V)
V0.1mA
(V)
Vc
IP
1 Time
(V)
(V)
(A)
(A)
FNR-10K180
11
14
18(16.2~19.8)
36
5
FNR-10K220
14
18
22(19.8~24.2)
43
5
Maximum
Energy
2ms
(
Rated
Wattage
(1k Hz)
Capacitance
(Reference
(J)
(W)
(PF)
500
2.1
0.05
7500
500
2.5
0.05
6000
FNR-10K270
17
22
27(24.3~29.7)
53
5
500
3.0
0.05
4000
FNR-10K330
20
26
33(29.7~36.3)
65
5
500
4.0
0.05
3000
FNR-10K390
25
31
39(35.1~42.9)
77
5
500
4.6
0.05
2600
FNR-10K470
30
38
47(42.3~51.7)
93
5
500
5.5
0.05
2200
FNR-10K560
35
45
56(50.4~61.6)
110
5
500
7.0
0.05
1800
FNR-10K680
40
56
68(61.2~74.8)
135
5
500
8.2
0.05
1300
FNR-10K820
50
65
82(73.8~90.2)
135
25
2500
8.4
0.4
1800
FNR-10K101
60
85
100(90~110)
165
25
2500
10.0
0.4
1400
FNR-10K121
75
100
120(108~132)
200
25
2500
15.0
0.4
1100
FNR-10K151
95
125
150(135~165)
250
25
2500
20.0
0.4
900
FNR-10K181
115
150
180(162~198)
300
25
2500
23.0
0.4
700
FNR-10K201
130
170
200(180~220)
340
25
2500
26.0
0.4
500
FNR-10K221
140
180
220(198~242)
360
25
2500
30.0
0.4
450
FNR-10K241
150
200
240(216~264)
395
25
2500
32.0
0.4
400
FNR-10K271
175
225
270(243~297)
455
25
2500
40.0
0.4
350
FNR-10K301
200
250
300(270~330)
500
25
2500
35.0
0.4
325
FNR-10K331
210
275
330(297~363)
550
25
2500
39.0
0.4
325
FNR-10K361
230
300
360(324~396)
595
25
2500
32.0
0.4
300
FNR-10K391
250
320
390(351~429)
650
25
2500
52.0
0.4
270
FNR-10K431
275
350
430(387~473)
710
25
2500
58.0
0.4
250
2500
58.0
0.4
230
FNR-10K471
300
385
470(423~517)
775
25
FNR-10K511
318
415
510(459~561)
840
25
2500
58.0
0.4
200
FNR-10K561
350
455
560(504~616)
925
25
2500
58.0
0.4
180
FNR-10K621
385
505
620(558~682)
1025
25
2500
58.0
0.4
130
FNR-10K681
420
560
680(612~748)
1120
25
2500
60.0
0.4
130
FNR-10K751
460
615
750(675~825)
1240
25
2500
65.0
0.4
120
FNR-10K781
485
640
780(702~858)
1290
25
2500
65.0
0.4
120
FNR-10K821
510
670
820(738~902)
1355
25
2500
71.0
0.4
110
FNR-10K911
550
745
910(819~1001)
1500
25
2500
78.0
0.4
100
FNR-10K102
625
825
1000(900~1100)
1650
25
2500
84.0
0.4
90
FNR-10K112
680
895
1100(990~1210)
1815
25
2500
91.0
0.4
80
192
ZINC OXIDE VARISTOR
10K
Series
Impluse Lifetime Ratings
S ur g e C ur r e nt (A )
Voltage(V)
V-I Curve
C u r r e n t ()
Su r ge C ur re nt (A )
Impulse width ( s)
Impulse width ( s)
Surge Current (A)
Voltage(V)
C u r r e n t ()
Impulse width
Current( )
193
( s)
14K
Part
Number
SERIES SPECIFIATION
Maximun
operating
Voltage
Varistor
Voltage
Maximum
Maximun
Withstanding
clamping Voltage
Surge Current
(8/20 S )
DC
(V)
V0.1mA
(V)
Vc
IP
1 Time
(V)
(V)
(A)
(A)
FNR-14K180
11
14
18(16.2~19.8)
36
10
FNR-14K220
14
18
22(19.8~24.2)
43
10
FNR-14K270
17
22
27(24.3~29.7)
53
FNR-14K330
20
26
33(29.7~36.3)
65
AC
Maximum
Energy
2ms
(
Rated
Wattage
(1K Hz)
Capacitance
(Reference
(J)
(W)
(PF)
1000
4.0
0.1
18000
1000
5.0
0.1
15000
10
1000
6.0
0.1
10000
10
1000
7.5
0.1
7500
FNR-14K390
25
31
39(35.1~42.9)
77
10
1000
8.6
0.1
6500
FNR-14K470
30
38
47(42.3~51.7)
93
10
1000
10.0
0.1
5500
FNR-14K560
35
45
56(50.4~61.6)
110
10
1000
11.0
0.1
4500
FNR-14K680
40
56
68(61.2~74.8)
135
10
1000
14.0
0.1
3300
FNR-14K820
50
65
82(73.8~90.2)
135
50
4500
15.0
0.6
2900
FNR-14K101
60
85
100(90~110)
165
50
4500
18.0
0.6
2400
FNR-14K121
75
100
120(108~220)
200
50
4500
26.0
0.6
1900
FNR-14K151
95
125
150(135~165)
250
50
4500
32.0
0.6
1500
FNR-14K181
115
150
180(162~198)
300
50
4500
39.0
0.6
1250
FNR-14K201
130
170
200(180~220)
340
50
4500
45.0
0.6
1000
FNR-14K221
140
180
220(198~242)
360
50
4500
52.0
0.6
1000
FNR-14K241
150
200
240(216~264)
395
50
4500
52.0
0.6
900
FNR-14K271
175
225
270(243~297)
455
50
4500
65.0
0.6
750
FNR-14K301
200
250
300(270~330)
500
50
4500
71.0
0.6
650
FNR-14K331
210
275
330(297~363)
550
50
4500
78.0
0.6
650
FNR-14K361
230
300
360(324~396)
595
50
4500
84.0
0.6
550
FNR-14K391
250
320
390(351~429)
650
50
4500
91.0
0.6
500
FNR-14K431
275
350
430(387~473)
710
50
4500
97.0
0.6
450
FNR-14K471
300
385
470(423~517)
775
50
4500
104.0
0.6
440
FNR-14K511
318
415
510(459~561)
840
50
4500
104.0
0.6
380
FNR-14K561
350
455
560(504~616)
925
50
4500
104.0
0.6
345
FNR-14K621
385
505
620(585~682)
1025
50
4500
110.0
0.6
250
FNR-14K681
420
560
680(612~748)
1120
50
4500
117.0
0.6
250
FNR-14K751
460
615
750(675~825)
1240
50
4500
130.0
0.6
230
FNR-14K781
485
640
780(702~858)
1290
50
4500
136.0
0.6
230
FNR-14K821
510
670
820(738~903
1355
50
4500
143.0
0.6
200
FNR-14K911
550
745
910(819~1001)
1500
50
4500
156.0
0.6
180
FNR-14K102
625
825
1000(900~1100)
1650
50
4500
169.0
0.6
150
FNR-14K112
680
895
1100(990~1210)
1815
50
4500
182.0
0.6
150
1800(1620~1980)
2970
50
4500
312.0
0.6
100
FNR-14K182
1000 1465
194
ZINC OXIDE VARISTOR
14K
Series
V-I Curve
Impluse Lifetime Ratings
Surge Current (A)
Voltage(V)
FNR-14K680
FNR-14K560
FNR-14K470
FNR-14K390
FNR-14K330
FNR-14K270
FNR-14K220
FNR-14K180
Impulse width ( s)
Surge Current (A)
Voltage(V)
Current( )
Impulse width
Current( )
195
( s)
20K
SERIES SPECIFIATION
Maximun
operating
Voltage
Varistor
Voltage
Part
Number
Maximum
Maximun
Withstanding
clamping Voltage
Surge Current
(8/20 S )
Vc
IP
(V)
(A)
18(16.2~19.8)
36
20
22(19.8~24.2)
43
20
22
27(24.3~29.7)
53
26
33(29.7~36.3)
65
25
31
39(35.1~42.9)
FNR-20K470
30
38
FNR-20K560
35
45
FNR-20K680
40
FNR-20K820
50
FNR-20K101
60
FNR-20K121
75
AC
(V)
DC
(V)
FNR-20K180
11
14
FNR-20K220
14
18
FNR-20K270
17
FNR-20K330
20
FNR-20K390
V0.1mA
(V)
1 Time
(A)
Maximum
Energy
2ms
(
Rated
Wattage
(1K Hz)
Capacitance
(Reference
(J)
(W)
(PF)
2000
11.0
0.2
18000
2000
13.0
0.2
30000
20
2000
15.0
0.2
20000
20
2000
20.0
0.2
17000
77
20
2000
24.0
0.2
15000
47(42.3~51.7)
93
20
2000
30.0
0.2
13000
56(50.4~61.6)
110
20
2000
35.0
0.2
11000
56
68(61.2~74.8)
135
20
2000
40.0
0.2
7000
65
82(73.8~90.2)
135
100
6500
27.0
1.0
5500
85
100(90~110)
165
100
6500
33.0
1.0
4800
100
120(108~220)
200
100
6500
52.0
1.0
3800
100
6500
65.0
1.0
3000
FNR-20K151
95
125
150(135~165)
250
FNR-20K181
115
150
180(162~198)
300
100
6500
78.0
1.0
2500
FNR-20K201
130
170
200(180~220)
340
100
6500
91.0
1.0
2000
FNR-20K221
140
180
220(198~242)
360
100
6500
97.0
1.0
2000
FNR-20K241
150
200
240(216~264)
395
100
6500
100.0
1.0
1800
FNR-20K271
175
225
270(243~297)
455
100
6500
117.0
1.0
1600
FNR-20K301
200
250
300(270~330)
500
100
6500
136.0
1.0
1400
FNR-20K331
210
275
330(297~363)
550
100
6500
136.0
1.0
1400
FNR-20K361
230
300
360(324~396)
595
100
6500
156.0
1.0
1200
FNR-20K391
250
320
390(351~429)
650
100
6500
169.0
1.0
1000
FNR-20K431
275
350
430(387~473)
710
100
6500
182.0
1.0
900
FNR-20K471
300
385
470(423~517)
775
100
6500
195.0
1.0
900
FNR-20K511
318
415
510(459~561)
840
100
6500
195.0
1.0
800
FNR-20K561
350
455
560(504~616)
925
100
6500
195.0
1.0
700
FNR-20K621
385
505
620(585~682)
1025
100
6500
195.0
1.0
500
FNR-20K681
420
560
680(612~748)
1120
100
6500
208.0
1.0
460
FNR-20K751
460
615
750(675~825)
1240
100
6500
227.0
1.0
420
FNR-20K781
485
640
780(702~858)
1290
100
6500
234.0
1.0
420
FNR-20K821
510
670
820(738~903
1355
100
6500
247.0
1.0
400
FNR-20K911
550
745
910(819~1001)
1500
100
6500
280.0
1.0
350
FNR-20K102
625
825
1000(900~1100)
1650
100
6500
299.0
1.0
320
FNR-20K112
680
895
1100(990~1210)
1815
100
6500
325.0
1.0
300
1800(1620~1980)
2970
100
6500
400.0
1.0
200
FNR-20K182
1000 1465
196
ZINC OXIDE VARISTOR
20K
Series
V-I Curve
Surge Current (A)
Voltage(V)
Impluse Lifetime Ratings
Current()
( s)
S u rg e Cu r r en t (A )
V o lt a g e( V )
Impulse width
Impulse width ( s)
Voltage(V)
Surge Current (A)
Current( )
Current( )
I m p u l s e w i d t h( s )
197
25K
Part
Number
SERIES SPECIFIATION
Maximun
operating
Voltage
Varistor
Voltage
Maximun
clamping Voltage
AC
DC
V0.1mA
Vc
IP
(V)
(V)
(V)
(V)
(A)
FNR-25K470
30
38
47(42.3~51.7)
89
40
FNR-25K560
35
45
56(50.4~61.6)
106
FNR-25K680
40
56
68(61.2~74.8)
FNR-25K820
50
65
FNR-25K101
60
FNR-25K121
Maximum
Maximum
Withstanding
Energy
Surge Current
2ms
(8/20 S )
1 Time
(A)
(
(1K Hz)
Rated
Wattage Capacitance
(Reference
(J)
(W)
(PF)
2500
15
1.0
10000
40
2500
21
1.0
8000
129
40
2500
23
1.0
7000
82(73.8~90.2)
156
200
10000
35
1.0
6000
85
100(90~110)
190
200
10000
32
1.0
5000
75
100
120(108~132)
216
200
10000
36
1.0
4000
FNR-25K151
95
125
150(135~165)
270
200
10000
39
1.0
3000
FNR-25K201
130
170
200(180~220)
360
200
10000
45
1.0
2400
FNR-25K221
140
180
220(198~242)
385
200
10000
52
1.0
2200
FNR-25K241
150
200
240(216~264)
420
200
10000
78
1.0
2000
FNR-25K271
175
225
270(243~297)
473
200
10000
117
1.0
1700
FNR-25K301
200
250
300(270~330)
500
200
10000
130
1.0
1500
FNR-25K331
210
275
330(297~363)
550
200
10000
140
1.0
1400
FNR-25K361
230
300
360(324~396)
595
200
10000
156
1.0
1400
FNR-25K391
250
320
390(351~429)
650
200
10000
195
1.0
1200
FNR-25K431
275
350
430(387~473)
710
200
10000
234
1.0
1100
FNR-25K471
300
385
470(423~517)
775
200
10000
286
1.0
1000
FNR-25K511
318
415
510(459~561)
840
200
10000
290
1.0
900
FNR-25K561
350
455
560(504~616)
925
200
10000
300
1.0
850
FNR-25K621
385
505
620(558~682)
1025
200
10000
338
1.0
800
FNR-25K681
420
560
680(612~748)
1120
200
10000
390
1.0
1200
FNR-25K751
460
615
750(675~825)
1240
200
10000
455
1.0
1100
FNR-25K781
485
640
780(702~858)
1290
200
10000
481
1.0
1050
FNR-25K821
510
670
820(738~902)
1355
200
10000
520
1.0
1000
FNR-25K911
550
745
910(819~1001)
1500
200
10000
546
1.0
900
FNR-25K102
625
825
1000(900~1100)
1650
200
10000
585
1.0
800
FNR-25K112
680
895
1100(990~1210)
1815
200
10000
650
1.0
700
1800(1620~1980)
2970
200
10000
700
1.0
600
FNR-25K182
1000 1465
198
ZINC OXIDE VARISTOR
25K
Series
V-I Curve
Voltage(V)
Surge Current (A)
Impluse Lifetime Ratings
Impulse width ( s)
Surge Current (A)
Voltage(V)
Current( )
Impulse width ( s)
Surge Current (A)
Voltage(V)
Current( )
I m p u l s e w i d t h( s )
Current( )
199
32K
Part
Number
SERIES SPECIFIATION
Maximun
operating
Voltage
Varistor
Voltage
Maximum
Maximun
Withstanding
clamping Voltage Surge Current
(8/20 S )
1 Time
(A)
Maximum
Energy
2ms
(
Rated
Wattage
(1K Hz)
Capacitance
(Reference
(J)
(W)
(PF)
AC
(V)
DC
(V)
V0.1mA
(V)
VC
(V)
IP
(A)
FNR-32K470
30
38
47(42.3~51.7)
89
40
5000
25
1.2
11000
FNR-32K560
35
45
56(50.4~61.6)
106
40
5000
30
1.2
10000
FNR-32K680
40
56
68(61.2~74.8)
129
40
5000
32
1.2
9000
FNR-32K820
50
65
82(73.8~90.2)
156
200
20000
35
1.2
8000
FNR-32K101
60
85
100(90~110)
190
200
20000
49
1.2
7000
FNR-32K121
75
100
120(108~132)
216
200
20000
54
1.2
6000
FNR-32K151
95
125
150(135~165)
270
200
20000
65
1.2
5000
FNR-32K201
130
170
200(180~220)
360
200
20000
91
1.2
4700
FNR-32K221
140
180
220(198~242)
385
200
20000
117
1.2
4300
FNR-32K241
150
200
240(216~264)
395
200
20000
156
1.2
4000
FNR-32K271
175
225
270(243~297)
455
200
20000
195
1.2
3500
FNR-32K301
200
250
300(270~330)
500
200
20000
200
1.2
3200
FNR-32K331
210
275
330(297~363)
550
200
20000
210
1.2
3000
FNR-32K361
230
300
360(324~396)
595
200
20000
234
1.2
3000
FNR-32K391
250
320
390(351~429)
650
200
20000
286
1.2
2500
FNR-32K431
275
350
430(387~473)
710
200
20000
338
1.2
2250
FNR-32K471
300
385
470(423~517)
775
200
20000
390
1.2
1900
FNR-32K511
318
415
510(459~561)
840
200
20000
400
1.2
1800
FNR-32K561
350
455
560(504~616)
925
200
20000
410
1.2
1700
FNR-32K621
380
505
620(558~682)
1025
200
20000
442
1.2
3200
FNR-32K681
420
560
680(612~748)
1120
200
20000
492
1.2
3000
FNR-32K751
460
615
750(675~825)
1240
200
20000
559
1.2
2700
FNR-32K781
485
640
780(702~858)
1290
200
20000
624
1.2
2600
FNR-32K821
510
670
820(738~902)
1355
200
20000
689
1.2
2400
FNR-32K911
550
745
910(819~1001)
1500
200
20000
754
1.2
2200
FNR-32K102
625
825
1000(900~1100)
1650
200
20000
819
1.2
1900
FNR-32K112
680
895
1100(990~1210)
1815
200
20000
910
1.2
1700
1800(1620~1980)
2970
200
20000
920
1.2
1000
FNR-32K182
1000 1465
200
ZINC OXIDE VARISTOR
32K
Series
V-I Curve
Voltage(V)
Surge Current (A)
Impluse Lifetime Ratings
Current( )
Surge Current (A)
Voltage(V)
Impulse width ( s)
Impulse width ( s)
Surge Current (A)
Voltage(V)
Current( )
Current( )
Impulse width ( s)
201
40K
Part
Number
SERIES SPECIFIATION
Maximun
operating
Voltage
Varistor
Voltage
Maximum
Maximun
Maximum
Withstanding
clamping Voltage
Energy
Surge Current
2ms
(8/20 S )
AC
(V)
DC
(V)
V0.1mA
(V)
VC
(V)
IP
(A)
FNR-40K201
130
170
200(180~220)
360
200
FNR-40K221
140
180
220(198~242)
360
FNR-40K241
150
200
240(216~264)
FNR-40K271
175
225
FNR-40K301
200
FNR-40K331
1 Time
(
1K Hz)
Rated
Wattage Capacitance
(Reference
(J)
(W)
(PF)
40000
208
1.4
10000
200
40000
234
1.4
9500
395
200
40000
286
1.4
9000
270(243~297)
455
200
40000
308
1.4
7500
250
300(270~330)
500
200
40000
320
1.4
7000
210
275
330(297~363)
550
200
40000
330
1.4
6500
FNR-40K361
230
300
360(324~396)
595
200
40000
390
1.4
6000
FNR-40K391
250
320
390(351~429)
650
200
40000
442
1.4
5000
FNR-40K431
275
350
430(387~473)
710
200
40000
494
1.4
4500
FNR-40K471
300
385
470(423~517)
775
200
40000
546
1.4
3600
FNR-40K511
318
415
510(459~561)
840
200
40000
585
1.4
3300
FNR-40K561
350
455
560(504~616)
925
200
40000
585
1.4
3000
FNR-40K621
380
505
620(558~682)
1025
200
40000
585
1.4
3300
FNR-40K681
420
560
680(612~748)
1120
200
40000
650
1.4
3000
FNR-40K751
460
615
750(675~825)
1240
200
40000
715
1.4
2500
FNR-40K781
485
640
780(702~858)
1290
200
40000
780
1.4
2450
FNR-40K821
510
670
820(738~902)
1355
200
40000
832
1.4
2400
FNR-40K911
550
745
910(819~1001)
1500
200
40000
910
1.4
2200
FNR-40K102
625
825
1000(900~1100)
1650
200
40000
1040
1.4
2000
FNR-40K112
680
895
1100(990~1210)
1815
200
40000
1105
1.4
1800
1800(1620~1980)
1970
200
40000
1300
1.4
1600
FNR-40K182
1000 1465
202
(A)
ZINC OXIDE VARISTOR
40K
Series
V-I Curve
Voltage(V)
Surge Current (A)
Impluse Lifetime Ratings
Current( )
Surge Current (A)
Voltage(V)
Impulse width ( s)
Impulse width ( s)
Voltage(V)
Surge Current (A)
Current( )
Current( )
Impulse width ( s)
203
(
) HOW TO SELECT A VARISTOR(ONLY REFERENCE)
A:
V 1mA =a
a
v/b c
1.2
v
b
0.85
c
0.9
A:Varistor voltage
Varistor Voltage should be more than the operating voltage in over protective circuit,The formula
is shown as the following.
V 1mA =a
v/b c
a-power Voltage ripple coefficient usually 1.2
v-DC Voltage (significant value only AC power)
b-Tolerance usually take 0.85
c-Ageing coefficient usually take 0.9
B:
50%
B:Withstanding surge current
In general, withstanding surge current is max, Pulse current value which determined by test conditions
such as wave- shape ,amplitude and intermal time, when the amplitude decrease to 50% of the initial ,
it should be increased to 2 times of the initial in order to keep the life longer, the surge current which is
sbsorbed by the varistor should be less than max. withstanding surge current
204
ZINC OXIDE VARISTOR
APPLICATIONS
MODEL
MODEL
MODEL
MODEL
MODEL
NUMBER
NUMBER
NUMBER
NUMBER
NUMBER
5mm
7mm
10mm
14mm
20mm
FNR-05 K180
FNR- 07 K180
FNR- 10 K180
FNR- 14 K180
FNR -20 K180
FNR-05 K220
FNR -07 K220
FNR -10 K220
FNR -14 K220
FNR -20 K220
FNR -05 K270
FNR -07 K270
FNR -10 K270
FNR -14 K270
FNR -20 K270
FNR -05 K330
FNR -07 K330
FNR - 10 K330
FNR -14 K330
FNR -20 K330
FNR -05 K390
FNR -07 K390
FNR -10 K390
FNR -14 K390
FNR -20 K390
FNR -05 K470
FNR -07 K470
FNR -10 K470
FNR -14 K470
FNR -20 K470
FNR -05 K560
FNR -07 K560
FNR -10 K560
FNR -14 K560
FNR -20 K560
FNR -05 K680
FNR -07 K680
FNR -10 K680
FNR -14 K680
FNR -20 K680
FNR -05 K820
FNR -07 K820
FNR -10 K820
FNR -14 K820
FNR -20 K820
FNR -05 K101
FNR -07 K101
FNR -10 K101
FNR -14 K101
FNR -20 K101
FNR -05K121
FNR -07 K121
FNR -10 K121
FNR -14 K121
FNR -20 K121
FNR -05 K151
FNR -07 K151
FNR -10 K151
FNR -14 K151
FNR -20 K151
FNR -05 K181
FNR -07 K181
FNR -10 K181
FNR -14 K181
FNR -20 K181
FNR -05 K201
FNR -07 K201
FNR -10 K201
FNR -14 K201
FNR -20 K201
FNR -05 K221
FNR -07 K221
FNR -10 K221
FNR -14 K221
FNR -20 K221
FNR -05 K241
FNR -07 K241
FNR -10 K241
FNR -14 K241
FNR -20 K241
FNR -05 K271
FNR -07 K271
FNR -10 K271
FNR -14 K271
FNR -20 K271
FNR -05 K301
FNR -07 K301
FNR -10 K301
FNR -14 K301
FNR -20 K301
FNR -05 K331
FNR -07 K331
FNR -10 K331
FNR -14 K331
FNR -20 K331
FNR -05 K361
FNR -07 K361
FNR -10 K361
FNR -14 K361
FNR -20 K361
FNR -05 K391
FNR -07 K391
FNR 10 K391
FNR -14 K391
FNR -20 K391
205
Recommended
Applications
Protection of various
kinds of semiconductors
Protection of automobile
equipment
Absorption of switching
surge from various kinds o
f relays and electro-magnetic
valves (DC below 48V)
Protection of electronic
equipment from electrostatic
discharge
DC 48V
Telephone. Communication
line (DC 48V)
: DC48V
AC 100V Line-Line Applications
(Japan)
AC 100V to 120V, Line-Line
Applications (Japan.,u.s.,Canada)
AC100 V 120V
Telephone Line Application
(250V Insulation Resistance
Test Applicable)
MODEL
MODEL
MODEL
MODEL
MODEL
NUMBER
NUMBER
NUMBER
NUMBER
NUMBER
Recommended
5mm
7mm
10mm
14mm
20mm
Applications
FNR-05 K431
FNR-07 K431
FNR-10 K431
FNR-14 K431
FNR-20 K431
FNR -05 K471
FNR-07 K471
FNR-10 K471
FNR-14 K471
FNR-20 K471
FNR-05 K561
FNR-07 K561
FNR-10 K561
FNR-14 K561
FNR-20 K561
FNR-07 K621
FNR-10 K621
FNR-14 K621
FNR-20 K621
FNR-07 K681
FNR-10 K681
FNR-14 K681
FNR-20 K681
FNR-10 K751
FNR-14 K751
FNR-20 K751
FNR-10 K781
FNR-14 K781
FNR-20 K781
FNR-10 K821
FNR-14 K821
FNR-20 K821
FNR-10 K911
FNR-14 K911
FNR-20 K911
FNR-10 K102
FNR-1 4 K102
FNR-20 K102
FNR-10 K112
FNR-14 K112
FNR-20 K112
FNR-14 K182
FNR-20 K182
AC200-220V Line-Line
Applications
AC100V to 220V.
Line- Ground Applications
Ac200-220
Ac100 to 220
AC 240V Line-Line
Applications
U.K., Australia, Middle
East Countries
AC 240V
AC 380V, Line-Line
Ground Applications
AC 380V
AC 415V, Line-Line
line- Ground Applications
AC 415V
AC 480V, Line-Line
Ground Applications
AC 480V
Line Ground Applications
( For AC 1200V Withst
anding Test )
AC 1200V
(SELECT OF FUSE in conformity to FNR Varistor)
If conform with diameter):
Part
Number
Fuse rating
FNR05K
series
1 To 2 A
FNR07K series
FNR10K series
2 to 3A
FNR14K
3 to 5A
series
3 to 10A
FNR20K series
5 to 15A
If conform with Max Peak current):
Max. Peak Current8/20
Fuse rating
S 1 time (A)
Up to 500
3A
206
5001 to 2000
5A
2001 to 6000
10A
ZINC OXIDE VARISTOR
ELECTRICAL PERFORMANCE TEST
:5 ~35
:45%~85%
Standardl Test Conditions:Tempreture: 5 ~35
Item
,humidity:45%~85%
Test method
Performance
10%
Varistor
Voltage
In DC 1mA (only 5 products voltage at DC 0.1mA) would be
setted to varistor`s voltage in 10%.
Leakage
current
Clamping
Voltage
Maximum
energy
Temperature
coefficient of
varistor Voltage
10%
Please see standard
The max voltage between two terminals with the specified
standard impulse current.
8/20
Max peak
current
Tolerance:
S
Please see standard
10%
Use 8/20 S wave form,According to following current no
damage af ter shock one times in single direction every
five minutes,voltage change percentage
10%
No camage af ter shock with 2ms square wave, Varistor
voltage changed percentage
10%
Varistor Voltage changed
percentage
10%
Varistor Voltage changed
percentage
10%
0.05%
Varistor Voltage changed percentage on Specified
temperature.
1KHz, 1V
Capacitance
Bear of voltage
Condition:1KHz,1V
Condition:2500VAC
The distance of leads terminal and crust is 1 min.
207
Request:
No break out and damage;
No hit into product and flying arc.
(Machine characteristic test)
10N 10 10S
Lead terminal
tensilestrength
Solder ability
Condition:
Request:No break out and damage
Pull:10N; 10
1S
Bend:5N; 90
, two times
T=235
5
t=
0.5S
Request:Solder
Condition:Test Tb ,Method 1;
Solder in trough method
T=235
5
t=
0.5S
Condition:Mixture with 70% 1.1.2 three chlorin, 1.2.2 fluorinThe sign of
melted-resistant
solvent
ethane and 30% cymene-alcohol; room temperature, dip
5 min;clean 5 times on positive and negative direction with
-5%
V/V
5%
Request:Clear Sign.
-5%
V/V
5%
-5%
V/V
5%
IL
A
absorbent cotton, total 10 times;cleaning speed: 2 times/S
Solder ability
Condition:260
5
5
1S
20
Request:No break out and damage
-5%
V/V
IL
A
20
5%
10Hz~55Hz~10Hz
-5%
Vibration
Condition:sine wave;
V/V
5%
Request:No break out and damage
-5%
V/V 5%
10Hz~55Hz~10Hz
Scaning time once:1 min
Whole view picture:1.5mm
3 direction, total 6h.
-5%
Impact
2
V/V
5%
Request:No break out and damage
-5%
V/V 5%
Condition:390m/S 6ms
3 Direction, total 4000 times.
208
ZINC OXIDE VARISTOR
-5%
Temp cycle test
V/V
5%
Request:No break out and damage
-5%
V/V 5%
-10%
Heat burthen
V/V
10%
Request:No break out and damage
~
and sign is clear;
Condition:85
Inflicted voltage:505VDC
-10%
Burthen quomodo:continuous;
Circular measure time:500h
V/V
10%
Total testing time:1000h
Measure after coming back in 1h~2h.
-5%
Stockpile in high
Circular measure time:500h
temperature
Total testing time:1000h
V/V
5%
Request:No break out and damage
-5%
V/V 5%
Measure after coming back in 1h~2h.
-5%
Weather oder
Condition:
Dr y and heat:85
2
Low temperature -40
5%
Request:No break out and damage
-5%
V/V 5%
16h
3
V/V
2h
Circular wet and heat:Db,a cycle,24h,55
level;
Steady state hot
4 samples not with voltage, and other 4 samples with 10 percent
Request:No break out and damage.
and damp
of maximal continuous voltage
Limited voltage changed rate
+20%
Strict degree:96h
Varistor voltage changed rete
10%
209
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