Transient Voltage Suppressors (TVS)
SMFJ Series
Description
The SMFJ series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events. SOD
SOD-123FL
package is 50% smaller in footprint when compare to SMA
package and delivering low height profile (1.1mm) in the
industry.
Features
l Fast response time
l Built-in strain relief
Electrical symbol
l Low incremental surge resistance
l Matte tin lead–free Plated
l Halogen free and RoHS compliant
l For surface mounted applications to optimize board space
BI
l Compatible with industrial standard package SOD
SOD-123FL
l 200W peak pulse power capability with at 10/1000μs
Anode
Cathode
waveform, repetition rate (duty cycle): 0.01%
l High temperature soldering: 260°C/10
0 seconds at terminals
UNI
Part Number Code
S
M
F
J
Series code
x
x
x
C
Reverse
Stand-Off
Voltage
A
5% Voltage
Tolerance
Blank:Uni-Directional
C:Bi-Directional
Mechanical Characteristics
Rating
Symbol
Value
Units
Peak Pulse Power Dissipation at TA=25ºC by 10/1000μs
10/1000μs(Fig.2) (Note1)
PPP
200
W
Power Dissipation on Infinite Heat Sink at TL=75°C(Fig.6)
PD
1.0
W
Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 2)
IFSM
30
A
TJ
-55 to 150
°C
TSTG
-55 to 150
°C
Operating Temperature Range
Storage Temperature Range
Notes:
1. Non-repetitive
repetitive current pulse , per Fig. 4 and derated above TA = 25°C per Fig. 3.
2.. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only
only.
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-08-18
Page:1
Transient Voltage Suppressors (TVS)
SMFJ Series
Electrical Characteristics
Type Number
Reverse
Stand-Off
Voltage
Marking
VRWM
Breakdown
Voltage
VBR @IT
Min
Max
Test
Current
Max
Max.
Clamping
Voltage
10/1000
10/1000µs
Max.
Peak Pulse
Current
10/1000µs
Reverse
Leakage
IT
VC@IPP
IPP
IR@VRWM
UNI
BI
UNI
BI
V
V
V
mA
V
A
µA
SMFJ5.0A
SMFJ5.0CA
5.0A
5.0CA
5.0
6.40
7.07
10
9.
9.6
20.8
400
SMFJ6.0A
SMFJ6.0CA
6.0A
6.0CA
6.0
6.67
7.37
10
10.3
19.4
400
SMFJ6.5A
SMFJ6.5CA
6.5A
6.5CA
6.5
7.22
7.98
10
11.2
17.8
50
SMFJ7.0A
SMFJ7.0CA
7.0A
7.0CA
7.0
7.78
8.60
10
12.0
16.6
30
SMFJ7.5A
SMFJ7.5CA
7.5A
7.5CA
7.5
8.33
9.21
1
12.9
15.5
30
SMFJ8.0A
SMFJ8.0CA
8.0A
8.0CA
8.0
8.89
9.83
1
13.6
14.7
10
SMFJ8.5A
SMFJ8.5CA
8.5A
8.5CA
8.5
9.44
10.4
1
14.4
13.9
5
SMFJ9.0A
SMFJ9.0CA
9.0A
9.0CA
9.0
10.0
11.1
1
15.4
13.0
3
SMFJ10A
SMFJ10CA
10A
10CA
10.0
11.1
12.3
1
17.0
11.7
1
SMFJ11A
SMFJ11CA
11A
11CA
11.0
12.2
13.5
1
18.2
11.0
1
SMFJ12A
SMFJ12CA
12A
12CA
12.0
13.3
14.7
1
19.9
10.0
1
SMFJ13A
SMFJ13CA
13A
13CA
13.0
14.4
15.9
1
21.5
9.3
1
SMFJ14A
SMFJ14CA
14A
14CA
14.0
15.6
17.2
1
23.2
8.6
1
SMFJ15A
SMFJ15CA
15A
15CA
15.0
16.7
18.5
1
24.4
8.2
1
SMFJ16A
SMFJ16CA
16A
16CA
16.0
17.8
19.7
1
26.0
7.7
1
SMFJ17A
SMFJ17CA
17A
17CA
17.0
18.9
20.9
1
27.6
7.2
1
SMFJ18A
SMFJ18CA
18A
18CA
18.0
20.0
22.1
1
29.2
6.8
1
SMFJ20A
SMFJ20CA
20A
20CA
20.0
22.2
24.5
1
32.4
6.1
1
SMFJ22A
SMFJ22CA
22A
22CA
22.0
24.4
26.9
1
35.5
5.6
1
SMFJ24A
SMFJ24CA
24A
24CA
24.0
26.7
29.5
1
38.9
5.1
1
SMFJ26A
SMFJ26CA
26A
26CA
26.0
28.9
31.9
1
42.1
4.7
1
SMFJ28A
SMFJ28CA
28A
28CA
28.0
31.1
34.4
1
45.4
4.4
1
SMFJ30A
SMFJ30CA
30A
30CA
30.0
33.3
36.8
1
48.4
4.1
1
SMFJ33A
SMFJ33CA
33A
33CA
33.0
36.7
40.6
1
53.3
3.7
1
SMFJ36A
SMFJ36CA
36A
36CA
36.0
40.0
44.2
1
58.1
3.4
1
SMFJ40A
SMFJ40CA
40A
40CA
40.0
44.4
49.1
1
64.5
3.1
1
SMFJ43A
SMFJ43CA
43A
43CA
43.0
47.8
52.8
1
69.4
2.9
1
SMFJ45A
SMFJ45CA
45A
45CA
45.0
50.0
55.3
1
72.7
2.7
1
SMFJ48A
SMFJ48CA
48A
48CA
48.0
53.3
58.9
1
77.4
2.6
1
SMFJ51A
SMFJ51CA
51A
51CA
51.0
56.7
62.7
1
82.4
2.4
1
SMFJ54A
SMFJ54CA
54A
54CA
54.0
60.0
66.3
1
87.1
2.3
1
SMFJ58A
SMFJ58CA
58A
58CA
58.0
64.4
71.2
1
93.6
2.1
1
SMFJ60A
SMFJ60CA
60A
60CA
60.0
66.7
73.7
1
96.8
2.0
1
SMFJ64A
SMFJ64CA
64A
64CA
64.0
71.1
78.6
1
103.0
1.9
1
SMFJ70A
SMFJ70CA
70A
70CA
70.0
77.8
86.0
1
113.0
1.7
1
SMFJ75A
SMFJ75CA
75A
75CA
75.0
83.3
92.1
1
121.0
1.6
1
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-08-18
Page:2
Transient Voltage Suppressors (TVS)
SMFJ Series
Electrical Characteristics
Type Number
Reverse
Stand-Off
Voltage
Marking
VRWM
Breakdown
Voltage
Test
Current
Max
Max.
Clamping
Voltage
10/1000
10/1000μs
Max.
Peak Pulse
Current
10/1000μs
Reverse
Leakage
IT
VC@IPP
IPP
IR@VRWM
VBR @IT
Min
Max
UNI
BI
UNI
BI
V
V
V
mA
V
A
µA
SMFJ78A
SMFJ78CA
78A
78CA
78.0
86.7
95.8
1
126.0
1.5
1
SMFJ85A
SMFJ85CA
85A
85CA
85.0
94.4
104.0
1
137.0
1.4
1
SMFJ90A
SMFJ90CA
90A
90CA
90.0
100.0
111.0
1
146.0
1.3
1
SMFJ100A
SMFJ100CA
100A
100CA
100.0
111.0
123.0
1
162.0
1.2
1
SMFJ110A
SMFJ110CA
110A
110CA
110.0
122.0
135.0
1
177.0
1.1
1
SMFJ120A
SMFJ120CA
120A
120CA
120.0
133.0
147.0
1
193.0
1.0
1
SMFJ130A
SMFJ130CA
130A
130CA
130.0
144.0
159.0
1
209.0
0.9
1
SMFJ150A
SMFJ150CA
150A
150CA
150.0
167.0
185.0
1
243.0
0.8
1
SMFJ160A
SMFJ160CA
160A
160CA
160.0
178.0
197.0
1
259.0
0.7
1
SMFJ170A
SMFJ170CA
170A
170CA
170.0
189.0
209.0
1
275.0
0.7
1
SMFJ180A
SMFJ180CA
180A
180CA
180.0
201.0
222.0
1
29
292.0
0.7
1
SMFJ190A
SMFJ190CA
190A
190CA
190.0
209.0
243.0
1
30
308.0
0.6
1
SMFJ200A
SMFJ200CA
200A
200CA
200.0
224.0
247.0
1
324.0
0.6
1
SMFJ220A
SMFJ220CA
220A
220CA
220.0
246.0
272.0
1
356.0
0.5
1
Notes: For bidirectional type having VRWM of 10V and less, the IR limit is double.
I-V Curve Characteristics
Uni-directional
I
Bi-directional
IPP
VC VBR VR
IR VF
IT
VC VBR VR
V
IT
IR
IR
IT
VR VBR VC
V
IPP
IPP
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (I T)
VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
directional
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-08-18
Page:3
Transient Voltage Suppressors (TVS)
SMFJ Series
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating Curve
10
Voltage Transients
PPPM-Peak Pulse Power (kW)
TJ initial = Tamb
Voltage or Current
Voltage Across TVS
Current Through TVS
1
0.1
0.001
Time
0.01
0.
0.1
1
td-Pulse
Pulse Width (ms)
(
Figure 4 - Pulse Waveform
100
150
IPPM - Peak Pulse Cur rent, % IRSM
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
Figure 3 - Pulse Derating Curve
80
60
40
20
tr=10μsec
25
50
75
100
125
Peak Value
IPPM
100
Half Value
IPPM ( IPPM )
2
50
10/1000μsec.Waveform
as defined by R.E.A
td
0
0
0
150 175
0
1.0
2.0
TA-Ambient temperature (ººC)
Measured@50%Vr
100
10
100
PM(AV), Steady State Power Dissipation (W)
Cj (pf)
Measured @ Vr=0v
1
4.0
Figure 6 - Steady State Power Derating Curve
10000
10
3.0
t-Time(ms)
Figure 5 - Typical Junction Capacitance
1000
TJ =25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
1.0
0.8
0.6
0.4
0.0
VBR-Reverse
Reverse breakdown voltage
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
60Hz Resistive or
Inductive Load
0.2
0
25
50
75
100
125
150
175
200
TL-Lead
Lead Temperature(ºC)
Temperature(
Revised: 2021-08-18
Page:4
Transient Voltage Suppressors (TVS)
SMFJ Series
Figure 7 - Maximum Non-Repetitive Surge Current
IFSM - Peak Forward Surve Current
(A)
60
50
Pulse Width 8.3ms
Single Half-Sine
Sine-Wave
(JEDEC METHOD)
40
30
20
10
0
1
10
100
Number of Cycles at 60 Hz
Soldering Parameters - Reflow Soldering (Surface Mount Devices)
Reflow Condition
TP
Ramp-up
Critical Zone
TL to TP
TL
Pre
Heat
Temperature
TS(max)
Ramp-down
TS(min)
Preheat
25
Time to peak temperature
(t 25℃ to peak)
Pb - Free assembly
-Temperature
Temperature Min (Ts(min))
150°C
-Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 -180 Seconds
Average ramp up rate ( Liquids
Liquid
Temp TL) to peak
3°C/second max
TS(max) to TL - Ramp-up Rate
3°C/second max
Reflo
w
Time
- Temperature (TL)
(Liquids)
217°C
- Time (min to max) (ts)
60 -150 Seconds
Peak Temperature (TP)
260 +0/-5°C
Time within 5°C of actual peak
Temperature (tp)
20 - 40 Seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max
Do not exceed
260°C
Part Marking System
Cathode band(for Uni-directional products only)
XXX
Marking code
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-08-18
Page:5
Transient Voltage Suppressors (TVS)
SMFJ Series
Dimensions
Millimeters
Inches
DIM
Min
Max
Min
Max
A
2.30
2.90
0.091
0.114
B
3.30
3.90
0.130
0.154
C
0.50
1.20
0.020
0.047
D
1.40
1.95
0.055
0.077
E
0.35
0.85
0.014
0.033
H
0.90
1.40
0.035
0.055
Taping and Reel Specifications
Symbol
Millimeters
Inches
W
8±0.1
0.315±0.004
P
4±0.1
0.157±0.004
F
3
3.44±0.1
0.135±0.004
E
1.75±0.1
0.069±0.004
D
1.5+0.1/
1.5+0.1/-0.0
0.059+0.004/-0.0
P0
4±0.1
0.157±0.004
P2
2±0.1
0.079±0.004
D0
16.7
16.7±0.15
0.657±0.006
D1
178±2
7.007±0.079
D2
59.6
59.6+1/-2
2.346+0.039/-0.079
W1
9.3
9.3±0.2
0.366±0.008
Direction of Unreeling
Part Number
Component
package
Quantity
Packaging option
Packaging specification
SMFJXXXA/CA
SOD-123FL
3000
Tape&Reel-8mm/7”tape
EIA STD RS-481
Specifications are subject to change without notice.
Please refer to http://www.ruilon.com.cn for current information.
Revised: 2021-08-18
Page:6
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