SMAJ SERIES
GLASS PASSIVATED SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Breakdown Voltage - 5.0 to 440 Volts
Peak Pulse Power-400 Watts
SMA/DO-214AC
FEATURES
0.115(2.92)
0.090(2.28)
0.181(4.60)
0.157(4.00)
0.016(0.41)
0.006(0.15)
0.096(2.43)
0.078(1.99)
0.050(1.27)
0.030(0.77)
Max.
0.203
0.220(5.60)
0.191(4.84)
0.064(1.63)
0.050(1.27)
* Glass passivated chip
* 400 W peak pulse power capability with a 10/1000
µs
wavefrom,
repetitive rate (duty cycle) : 0.01%
* Low leakage
* Excellent clamping capability
* Very fast response time
MECHANICAL DATA
Case :
JEDEC DO-214AC molded plastic
Terminals :
Plated axial leads , solderable per MIL-STD-750,
Method 2026
Polarity :
Color band denotes positive end (cathode) except
for bidirectional types
Weight :
0.002 ounes, 0.064 gram
*Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
single phase, half wave, 60Hz resistive or inductive load.
for capacitive load, derate current by 20%
o
RATING
SYMBOL
VALUE
UNITS
Peak power dissipation with a 10/1000
µs
waveform (note 1)
Peak pulse current with a 10/1000
µs
waveform (node 1)
P
PPM
400
Watts
I
PPM
See next table
Amps
Power dissipation on infinite heatsink at T
L
= 75℃
P
D
1.0
Watts
Peak forward surge current,8.3ms single half sine-wave unidirectional only (note 2)
I
FSM
40
Amps
Operating junction and storage temperature range
NOTES : (1) Non-repetitive current pulse per Fig. 5 and derated abobe T
A
= 25℃ per Fig. 1
(2) Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
T
J
,T
STG
-55 to +150
℃
2011/05
Zowie Technology Corporation
Zowie Technology Corporation
SMAJ
PART NUMBER
UNI- POLAR
SMAJ5.0A
SMAJ6.0A
SMAJ6.5A
SMAJ7.0A
SMAJ7.5A
SMAJ8.0A
SMAJ8.5A
SMAJ9.0A
SMAJ10A
SMAJ11A
SMAJ12A
SMAJ13A
SMAJ14A
SMAJ15A
SMAJ16A
SMAJ17A
SMAJ18A
SMAJ19A
SMAJ20A
SMAJ22A
SMAJ24A
SMAJ26A
SMAJ28A
SMAJ30A
SMAJ33A
SMAJ36A
SMAJ40A
SMAJ43A
SMAJ45A
SMAJ48A
SMAJ51A
SMAJ54A
SMAJ58A
SMAJ60A
SMAJ64A
SMAJ70A
SMAJ75A
SMAJ78A
SMAJ80A
SMAJ85A
SMAJ90A
SMAJ100A
SMAJ110A
SMAJ120A
SMAJ130A
SMAJ140A
SMAJ150A
SMAJ160A
SMAJ170A
SMAJ180A
SMAJ190A
SMAJ200A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ440A
BI-POLAR
SMAJ5.0CA
SMAJ6.0CA
SMAJ6.5CA
SMAJ7.0CA
SMAJ7.5CA
SMAJ8.0CA
SMAJ8.5CA
SMAJ9.0CA
SMAJ10CA
SMAJ11CA
SMAJ12CA
SMAJ13CA
SMAJ14CA
SMAJ15CA
SMAJ16CA
SMAJ17CA
SMAJ18CA
SMAJ19CA
SMAJ20CA
SMAJ22CA
SMAJ24CA
SMAJ26CA
SMAJ28CA
SMAJ30CA
SMAJ33CA
SMAJ36CA
SMAJ40CA
SMAJ43CA
SMAJ45CA
SMAJ48CA
SMAJ51CA
SMAJ54CA
SMAJ58CA
SMAJ60CA
SMAJ64CA
SMAJ70CA
SMAJ75CA
SMAJ78CA
SMAJ80CA
SMAJ85CA
SMAJ90CA
SMAJ100CA
SMAJ110CA
SMAJ120CA
SMAJ130CA
SMAJ140CA
SMAJ150CA
SMAJ160CA
SMAJ170CA
SMAJ180CA
SMAJ190CA
SMAJ200CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
SMAJ440CA
Device
Marking
Code
UNI
AE
AG
AK
AM
AP
AR
AT
AV
AX
AZ
BE
BG
BK
BM
BP
BR
BT
BB
BV
BX
BZ
CE
CG
CK
CM
CP
CR
CT
CV
CX
CZ
RE
RG
RK
RM
RP
RR
RT
RB
RV
RX
RZ
SE
SG
SK
SB
SM
SP
SR
ST
SV
SW
SX
SZ
DE
DG
DK
DM
BI
WE
WG
WK
WM
WP
WR
WT
WV
WX
WZ
XE
XG
XK
XM
XP
XR
XT
XB
XV
XX
XZ
YE
YG
YK
YM
YP
YR
YT
YV
YX
YZ
ZE
ZG
ZK
ZM
ZP
ZR
ZT
ZB
ZV
ZX
ZZ
VE
VG
VK
VB
VM
VP
VR
VT
VV
VW
VX
VZ
HE
HG
HK
HM
Working Peak
Reverse Voltage
V
RWM
(V)
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.0
10
11
12
13
14
15
16
17
18
19
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
60
64
70
75
78
80
85
90
100
110
120
130
140
150
160
170
180
190
200
220
250
300
350
400
440
SMAJ SERIES
Maximum Reverse
Surge Current
I
PP
(A)
@10 x 1000μs
sinewave
43.48
38.83
35.71
33.33
31.01
29.41
27.78
25.97
23.53
21.98
20.10
18.60
17.24
16.39
15.38
14.49
13.70
13.00
12.35
11.27
10.28
9.50
8.81
8.26
7.50
6.88
6.20
5.76
5.50
5.17
4.85
4.59
4.27
4.13
3.88
3.54
3.31
3.17
3.09
2.92
2.74
2.47
2.26
2.07
1.91
1.76
1.65
1.54
1.45
1.37
1.30
1.23
1.12
0.99
0.82
0.71
0.62
0.56
Breakdown Voltage V
BR
@I
T
Min. (V)
6.4
6.7
7.2
7.8
8.3
8.9
9.4
10.0
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20.0
21.1
22.2
24.4
26.7
28.9
31.1
33.3
36.7
40.0
44.4
47.8
50.0
53.3
56.7
60.0
64.4
66.7
71.1
77.8
83.3
86.7
88.8
94.4
100
111
122
133
144
155
167
178
189
200
211
224
246
279
335
391
447
492
Max. (V)
7.00
7.37
7.98
8.60
9.21
9.83
10.4
11.1
12.3
13.5
14.7
15.9
17.2
18.5
19.7
20.9
22.1
23.3
24.5
26.9
29.5
31.9
34.4
36.8
40.6
44.2
49.1
52.8
55.3
58.9
62.7
66.3
71.2
73.7
78.6
86.0
92.1
95.8
97.6
104
111
123
135
147
159
171
185
197
209
220
232
247
272
309
371
432
494
543
I
T
(mA)
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Maximum Clamping
Voltage V
C
(V)
@ I
PP
9.2
10.3
11.2
12.0
12.9
13.6
14.4
15.4
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
30.8
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103
113
121
126
130
137
146
162
177
193
209
227
243
259
275
292
308
324
356
405
486
567
648
713
Maximum Reverse
Leakage I
R
(μA)
@V
RWM
800
800
500
200
100
50
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
NOTE : 1. Suffix " A " denotes 5% tolerance device.
2. Add suffix " CA " after part number to specify Bi-directional devices.
3. For Bi-Directional devices having V
R
of 10 volts and under, the I
R
limit is double .
2011/05
Zowie Technology Corporation
RATINGS AND CHARACTERISTIC CURVES SMAJ SERIES
FIG. 1- PULSE DERATING CURVE
100
PEAK PULSE DERATING IN PERCENTAGE
OF PEAK POWER OR CURRENT, (%)
PEAK FORWARD SURGE CURRENT, (A)
50
T
J
= T
J
max.
8.3 ms Single Half Sine-Wave
FIG. 2 - MAXIMUM NON-REPETITIVE
40
75
30
50
20
25
10
0
0
25
50
75
100
125
150
175
200
0
1
10
NUMBER OF CYCLES AT 60Hz
100
AMBIENT TEMPERATURE, TA (℃)
FIG. 3 - STEADY STATE POWER DERATING CURVE
1.0
STEADY STATE POWER DISSIPATION, (W)
100
FIG. 4 - PEAK PULSE POWER RATING CURVE
0.8
10
0.6
PEAK POWER (kW)
Non-repetitive Pulse
Waveform shown in Fig. 5
T
A
= 25℃
0.4
1
0.2
0
0
25
50
75
100
125
150
175
200
LEAD TEMPERATURE, T
L
(℃)
0.1
0.1
1
10
100
1000
10000
PULSE WIDTH, td (µs)
FIG. 5 - PULSE WAVEFORM
100
PEAK PULSE CURRENT, (%)
Tr = 10µs
Peak Value
(I
PP
)
T
J
= 25℃
Pulse width (td) is defined as the
point where the peak current
decays to 50% of I
PP
Half value =
50
I
PP
2
10/1000µsec. waveform
as defined by R.E.A.
td
0
0
1
2
TIME, (ms)
3
4
2011/05
Zowie Technology Corporation
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