SMAJ SERIES
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSORS
VOLTAGE RANGE
5.0 to 440 Volts
FEATURES
* For surface mount application
* Built-in strain relief
* Excellent clamping capability
400 Watts Peak Power
DO-214AC(SMA)
* Low profile package
* Fast response time: Typically less than
1.0ps from 0 volt to BV min.
* Typical IR less than 1mA above 10V
* High temperature soldering guaranteed:
260 C / 10 seconds at terminals
.110(2.79)
.100(2.54)
.058(1.47)
.052(1.32)
.177(4.50)
.157(3.99)
.012(0.31)
.006(0.15)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end except Bidirectional
* Mounting position: Any
* Weight: 0.063 grams
.087(2.20)
.071(1.80)
.060(1.52)
.030(0.76)
.005
MAX.
(.127)
.205(5.20)
.189(4.80)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATINGS
SYMBOL
VALUE
UNITS
PPK
Minimum 400
Watts
IFSM
40
Amps
VF
3.5
Volts
TJ, TSTG
-55 to +150
C
Peak Power Dissipation at TA=25 C, TP=1ms(NOTE 1)
Peak Forward Surge Current at 8.3ms Single Half Sine-Wave
superimposed on rated load (JEDEC method) (NOTE 3)
Maximum Instantenous Forward Voltage at 25.0A for
Unidirectional only
Operating and Storage Temperature Range
NOTES:
1. Non-repetitive current pulse per Fig. 3 and derated above TA=25 C per Fig. 2.
2
2. Mounted on Copper Pad area of 5.0mm (.013mm Thick) to each terminal.
3. 8.3ms single half sine-wave, duty cycle = 4 pulses per minute maximum.
DEVICES FOR BIPOLAR APPLICATIONS
1. For Bidirectional use C or CA Suffix for types SMAJ5.0 thru SMAJ170.
2. Electrical characteristics apply in both directions.
REV 1.0 2017 JAN
PAGE:1/4
RATING AND CHARACTERISTIC CURVES (SMAJ SERIES)
FIG.1-PEAK PULSE POWER DERATING CURVE
PPPM, PEAK PULSE POWER, KW
100
Non-Repetitive
Pulse Waveform
Shown in Fig. 3
TA=25 C
10
1.0
2
5.0mm COPPER PAD AREAS
0.1
0.1ms
PEAK PULSE POWER(PPP) OR CURRENT(IPP)
DERATING IN PERCENTAGE
FIG.2-PULSE DERATING CURVE
100
75
50
25
0
1.0ms
10ms
100ms
1.0ms
0
10ms
25
50
100
125
150
175
FIG.4-TYPICAL JUNCTION CAPACITANCE
FIG.3-PULSE WAVE FORM
150
10,000
TA=25 C
Pulse Width (td) is defined
as the point where the Peak
Current Deacys to 50% of Ipp
tf=10ms
Peak Value
IPPM
TJ=25 C
f=1.0MHz
Vsig=50mVp-p
5,000
100
2,000
Half Value-IPPM
2
50
1,000
10/1000msec Waveform
as Defined by R.E.A.
td
e-kt
0
0
1.0
2.0
3.0
4.0
t, TIME, ms
CJ, CAPACITANCE, pF
IPPM, PEAK PULSE CURRENT, %
75
TA, AMBIENT TEMPERATURE ( C)
td, PULSE WIDTH, sec.
Measued at
Zero Bias
500
200
100
100
20
TJ=TJmax
8.3ms Single Half Sine-wave
JEDEC Method
80
IFSM, PEAK FORWARD SURGE
CURRENT, AMPERES
Measured at
Stand-Off
Voltage(VMW)
50
FIG.5-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
10
1.0
60
2.0
5.0
10
20
50
100
200
V(BR), BREAKDOWN VOLTAGE, VOLTS
40
20
10
1
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
REV 1.0 2017 JAN
PAGE:2/4
400 Watt Surface Mount TVS
PART NUMBER REVERSE BREAKDOWN BREAKDOWN
TEST
ADD C FOR BI- STAND-OFF
VOLTAGE
VOLTAGE
CURRENT
DIRECTIONAL VOLTAGE
VBR (V)
VBR (V)
IT
See Note 1
VRWM (V)
MIN. @IT
MAX. @IT
(mA)
MAXIMUM
CLAMPING
VOLTAGE
@Ipp Vc (V)
PEAK
REVERSE
PULSE LEAKAGE
CURRENT @ VRWM
Ipp (A)
MARKING
CODE
UNI
BI
SMAJ5.0(C)A
5.0
6.40
7.25
10
9.2
43.5
800
AE
WE
SMAJ6.0(C)A
6.0
6.67
7.67
10
10.3
38.8
800
AG
WG
SMAJ6.5(C)A
6.5
7.22
8.30
10
11.2
35.7
500
AK
WK
SMAJ7.0(C)A
7.0
7.78
8.95
10
12.0
33.3
200
AM
WM
SMAJ7.5(C)A
7.5
8.33
9.58
1
12.9
31.0
100
AP
WP
SMAJ8.0(C)A
8.0
8.89
10.23
1
13.6
29.4
50
AR
WR
SMAJ8.5(C)A
8.5
9.44
10.82
1
14.4
27.7
10
AT
WT
SMAJ9.0(C)A
9.0
10.0
11.50
1
15.4
26.0
5
AV
WV
SMAJ10(C)A
10
11.1
12.80
1
17.0
23.5
5
AX
WX
SMAJ11(C)A
11
12.2
14.00
1
18.2
22.0
5
AZ
WZ
SMAJ12(C)A
12
13.3
15.30
1
19.9
20.1
5
BE
XE
SMAJ13(C)A
13
14.4
16.50
1
21.5
18.6
5
BG
XG
SMAJ14(C)A
14
15.6
17.90
1
23.2
17.2
5
BK
XK
SMAJ15(C)A
15
16.7
19.20
1
24.4
16.4
5
BM
XM
SMAJ16(C)A
16
17.8
20.50
1
26.0
15.3
5
BP
XP
SMAJ17(C)A
17
18.9
21.70
1
27.6
14.5
5
BR
XR
SMAJ18(C)A
18
20.0
23.30
1
29.2
13.7
5
BT
XT
SMAJ20(C)A
20
22.2
25.50
1
32.4
12.3
5
BV
XV
SMAJ22(C)A
22
24.4
28.00
1
35.5
11.2
5
BX
XX
SMAJ24(C)A
24
26.7
30.70
1
38.9
10.3
5
BZ
XZ
SMAJ26(C)A
26
28.9
33.20
1
42.1
9.5
5
CE
YE
SMAJ28(C)A
28
31.1
35.80
1
45.4
8.8
5
CG
YG
SMAJ30(C)A
30
33.3
38.30
1
48.4
8.3
5
CK
YK
SMAJ33(C)A
33
36.7
42.20
1
53.3
7.5
5
CM
YM
SMAJ36(C)A
36
40.0
46.00
1
58.1
6.9
5
CP
YP
SMAJ40(C)A
40
44.4
51.10
1
64.5
6.2
5
CR
YR
SMAJ43(C)A
43
47.8
54.90
1
69.4
5.7
5
CT
YT
SMAJ45(C)A
45
50.0
57.50
1
72.7
5.5
5
CV
YV
SMAJ48(C)A
48
53.3
61.30
1
77.4
5.2
5
CX
YX
SMAJ51(C)A
51
56.7
65.20
1
82.4
4.9
5
CZ
YZ
SMAJ54(C)A
54
60.0
69.00
1
87.1
4.6
5
RE
ZE
SMAJ58(C)A
58
64.4
74.10
1
93.6
4.3
5
RG
ZG
REV 1.0 2017 JAN
PAGE:3/4
400 Watt Surface Mount TVS
PART NUMBER REVERSE BREAKDOWN BREAKDOWN
TEST
ADD C FOR BI- STAND-OFF
VOLTAGE
VOLTAGE
CURRENT
DIRECTIONAL VOLTAGE
VBR (V)
VBR (V)
IT
See Note 1
VRWM (V)
MIN. @IT
MAX. @IT
(mA)
MAXIMUM
CLAMPING
VOLTAGE
@Ipp Vc (V)
PEAK
REVERSE
PULSE LEAKAGE
CURRENT @ VRWM
Ipp (A)
MARKING
CODE
UNI
BI
SMAJ60(C)A
60
66.7
76.7
1
96.8
4.1
5
RK
ZK
SMAJ64(C)A
64
71.1
81.8
1
103
3.9
5
RM
ZM
SMAJ70(C)A
70
77.8
89.5
1
113
3.5
5
RP
ZP
SMAJ75(C)A
75
83.3
95.8
1
121
3.3
5
RR
ZR
SMAJ78(C)A
78
86.7
99.7
1
126
3.2
5
RT
ZT
SMAJ85(C)A
85
94.4
108.2
1
137
2.2
5
RV
ZV
SMAJ90(C)A
90
100
115.5
1
146
2.1
5
RX
ZX
SMAJ100(C)A
100
111
128.0
1
162
1.9
5
RZ
ZZ
SMAJ110(C)A
110
122
140.5
1
177
1,7
5
SE
VE
SMAJ120(C)A
120
133
153.0
1
193
1.6
5
VG
VG
SMAJ130(C)A
130
144
165.5
1
209
1.4
5
VK
VK
SMAJ150(C)A
150
167
192.5
1
243
1.2
5
VM
VM
SMAJ160(C)A
160
178
205.0
1
259
1.2
5
SP
VP
SMAJ170(C)A
170
189
217.5
1
275
1.09
5
SR
VR
SMAJ188(C)A
188
209
231.0
1
328
0.91
5
SS
VS
SMAJ200(C)A
200
224
247.0
1
332
0.89
5
SV
VV
SMAJ210(C)A
210
237
263.0
1
340
0.86
5
SW
VW
SMAJ220(C)A
220
246
272
1
352
0.8
5
SZ
VZ
SMAJ250(C)A
250
279
309
1
405
0.75
5
VM
VM
SMAJ300(C)A
300
335
371
1
486
0.7
5
TE
UE
SMAJ400(C)A
400
447
494
1
648
0.6
5
TK
UK
SMAJ440(C)A
440
492
543
1
713
0.6
5
TM
UM
REV 1.0 2017 JAN
PAGE:4/4
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