SMAJ Series
Working Voltage: 5.0 to 440 V
Peak Pulse Power: 400 W
Features
●
●
Surface Mount
Transient Voltage Suppressors
SMA/ DO-214AC
0.064 1.63
0.049 1.23
0.109 2.76
0.099 2.51
Glass passivated chip
400 W peak pulse power capability with a
10/1000 μs waveform, repetitive rate (duty
cycle):0.01 %
Low leakage
Uni and Bidirectional unit
Excellent clamping capability
Very fast response time
RoHS compliant
Case: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Solderable per MIL-STD-750, method
2026
Polarity: Color band denotes cathode end
except Bipolar
Mounting position: Any
[ ]
●
●
●
●
●
[ ]
0.179 4.55
0.162 4.10
[ ]
0.012 0.30
0.006 0.15
Mechanical Data
●
●
●
0.089 2.26
0.077 1.96
[ ]
0.06 1.51
0.03 0.75
[ ]
●
[ ]
0.206 5.22
0.192
[
4.87
]
0.008 0.20
0.001 0.02
[ ]
Dimensions : inch [ mm ]
●
Maximum Ratings(T
A
=25℃ unless otherwise noted)
Parameter
Peak power dissipation with a 10/1000μs waveform
(1)
Peak pulse current with a 10/1000μs waveform
(1)
Power dissipation on infinite heatsink at T
L
= 75 °C
Peak forward surge current, 8.3 ms single half sine-
wave unidirectional only
(2)
Maximum instantaneous forward voltage at 25 A for
unidirectional only
(3)
Operating junction and storage temperature range
Note:
(1)Non-repetitive current pulse per Fig.5 and derated above T
A
= 25 °C per Fig.1
(2)Measured on 8.3 ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum
(3)V
F
<3.5V for devices of V
BR
<200V and V
F
<5.0V for devices of V
BR
>201V
Value
Symbol
P
PP
400
I
PP
See Next Table
P
D
1.0
I
FSM
V
F
T
J
, T
STG
40
3.5/5.0
- 55 to +150
Unit
W
A
W
A
V
°C
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P. 1
SMAJ Series
Ratings and Characteristics Curves (T
A
=25℃ unless otherwise noted)
Peak Pulse Derating in Percentage of Peak
Power or Current, (%)
AVERAGE FORWARD CURRENT, (A)
AMBIENT TEMPERATURE , (℃)
100
100
Peak Forward Surge Current, (A)
50
0
150
75
1
40
T
40
J
= T
J
max.
25
100
0
100
12
8.3 ms Single Half Sine-Wave
30
50
20
25
10
0
0
25
50
75
100
125
150
175
200
0
1
10
Number of Cycles at 60 Hz
100
Ambient Temperature ,T
A
(℃)
Fig. 1 - Pulse Derating Curve
1.0
100
Fig. 2 - Maximum Non-Repetitive
Surge Current
0.1
10000
10
Peak Power (kW)
0
Steady State Power Dissipation, (W)
1
1
0
0.6
6
0.2
70
0.8
##
0.4
1
0.2
0.0
0
25
50
75
100
125
150
175
200
0.1
0.1
1
10
100
1000
10000
Lead Temperature , T
L
(℃)
Pulse Width ,t
d
(μs)
Fig. 3 - Steady State Power Derating Curve
10000
100
Peak Pulse Current , (% )
Tr=10μs
Peak Value
(Ipp)
T
J
= 25
°C
Pulse Width (td) is defined as the
point where the peak current
0
0
decays to 50 % of Ipp
Fig. 4 - Peak Pulse Power Rating Curve
Bi-directional
@zero bias
Uni-directional
@zero bias
5
1000
Junction Capacitance,C
J
(pF)
450
50
450
22
3000
5
2000
50
td
0
0.2
100
Half
0.5
= Ipp
76
Value
1
2
50
1.5
33
10/1000
23
Waveform
μsec.
2
as defined by R.E.A.
3
13
4
10
1
2
Time , (ms)
3
100
Uni-directional
450
RWM
@V
5
1650
10
4
450
5
Bi-directional @V
RWM
10
100
1000
5
1400
T
J
=25
°C
f=1.0MHz
1
1
0
4
Reverse Breakdown Voltage,V
BR
(V)
Fig. 5 - Pulse Waveform
Fig. 6 - Typical Junction Capacitance
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P. 2
SMAJ Series
Electrical Characteristics(T
A
=25℃ unless otherwise noted)
Part Number Part Number
(Uni)
(Bi)
SMAJ5.0
SMAJ5.0A
SMAJ6.0
SMAJ6.0A
SMAJ6.5
SMAJ6.5A
SMAJ7.0
SMAJ7.0A
SMAJ7.5
SMAJ7.5A
SMAJ8.0
SMAJ8.0A
SMAJ8.5
SMAJ8.5A
SMAJ9.0
SMAJ9.0A
SMAJ10
SMAJ10A
SMAJ11
SMAJ11A
SMAJ12
SMAJ12A
SMAJ13
SMAJ13A
SMAJ14
SMAJ14A
SMAJ15
SMAJ15A
SMAJ16
SMAJ16A
SMAJ17
SMAJ17A
SMAJ18
SMAJ18A
SMAJ19
SMAJ19A
SMAJ20
SMAJ20A
SMAJ22
SMAJ22A
SMAJ24
SMAJ24A
SMAJ26
SMAJ26A
SMAJ28
SMAJ28A
SMAJ30
SMAJ30A
SMAJ33
SMAJ33A
SMAJ36
SMAJ36A
SMAJ5.0C
SMAJ5.0CA
SMAJ6.0C
SMAJ6.0CA
SMAJ6.5C
SMAJ6.5CA
SMAJ7.0C
SMAJ7.0CA
SMAJ7.5C
SMAJ7.5CA
SMAJ8.0C
SMAJ8.0CA
SMAJ8.5C
SMAJ8.5CA
SMAJ9.0C
SMAJ9.0CA
SMAJ10C
SMAJ10CA
SMAJ11C
SMAJ11CA
SMAJ12C
SMAJ12CA
SMAJ13C
SMAJ13CA
SMAJ14C
SMAJ14CA
SMAJ15C
SMAJ15CA
SMAJ16C
SMAJ16CA
SMAJ17C
SMAJ17CA
SMAJ18C
SMAJ18CA
SMAJ19C
SMAJ19CA
SMAJ20C
SMAJ20CA
SMAJ22C
SMAJ22CA
SMAJ24C
SMAJ24CA
SMAJ26C
SMAJ26CA
SMAJ28C
SMAJ28CA
SMAJ30C
SMAJ30CA
SMAJ33C
SMAJ33CA
SMAJ36C
SMAJ36CA
Device
Marking
Code
Uni
AD
AE
AF
AG
AH
AK
AL
AM
AN
AP
AQ
AR
AS
AT
AU
AV
AW
AX
AY
AZ
BD
BE
BF
BG
BH
BK
BL
BM
BN
BP
BQ
BR
BS
BT
BA
BB
BU
BV
BW
BX
BY
BZ
CD
CE
CF
CG
CH
CK
CL
CM
CN
CP
Bi
WD
WE
WF
WG
WH
WK
WL
WM
WN
WP
WQ
WR
WS
WT
WU
WV
WW
WX
WY
WZ
XD
XE
XF
XG
XH
XK
XL
XM
XN
XP
XQ
XR
XS
XT
XA
XB
XU
XV
XW
XX
XY
XZ
YD
YE
YF
YG
YH
YK
YL
YM
YN
YP
Maximum Working
Maximum Maximum
Clamping
Reverse
Breakdown Voltage V
BR
@I
T
Reverse Peak Reverse
Voltage V
C
Leakage I
R
Surge
Voltage
Current I
PP
V
RWM
@V
RWM
@I
PP
Min (V) Max (V) I
T
(mA)
(V)
(A)
(uA)
(V)
6.40
6.40
6.67
6.67
7.22
7.22
7.78
7.78
8.33
8.33
8.89
8.89
9.44
9.44
10.00
10.00
11.10
11.10
12.20
12.20
13.30
13.30
14.40
14.40
15.60
15.60
16.70
16.70
17.80
17.80
18.90
18.90
20.00
20.00
21.13
21.10
22.20
22.20
24.40
24.40
26.70
26.70
28.90
28.90
31.10
31.10
33.30
33.30
36.70
36.70
40.00
40.00
7.30
7.00
8.15
7.37
8.82
7.98
9.51
8.60
10.20
9.21
10.90
9.83
11.50
10.40
12.20
11.10
13.60
12.30
14.90
13.50
16.30
14.70
17.60
15.90
19.10
17.20
20.40
18.50
21.80
19.70
23.10
20.90
24.40
22.10
25.76
23.30
27.10
24.50
29.80
26.90
32.60
29.50
35.30
31.90
38.00
34.40
40.70
36.80
44.90
40.60
48.90
44.20
10
10
10
10
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
800
800
800
800
500
500
200
200
100
100
50
50
10
10
5
5
5
5
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
5.0
5.0
6.0
6.0
6.5
6.5
7.0
7.0
7.5
7.5
8.0
8.0
8.5
8.5
9.0
9.0
10.0
10.0
11.0
11.0
12.0
12.0
13.0
13.0
14.0
14.0
15.0
15.0
16.0
16.0
17.0
17.0
18.0
18.0
19.0
19.0
20.0
20.0
22.0
22.0
24.0
24.0
26.0
26.0
28.0
28.0
30.0
30.0
33.0
33.0
36.0
36.0
41.67
43.48
35.09
38.83
32.52
35.71
30.08
33.33
27.97
31.01
26.67
29.41
25.16
27.78
23.67
25.97
21.28
23.53
19.90
21.98
18.18
20.10
16.81
18.60
15.50
17.24
14.87
16.39
13.89
15.38
13.11
14.49
12.42
13.70
11.76
13.00
11.17
12.35
10.15
11.27
9.30
10.28
8.58
9.50
8.00
8.81
7.48
8.26
6.78
7.50
6.22
6.88
9.6
9.2
11.4
10.3
12.3
11.2
13.3
12.0
14.3
12.9
15.0
13.6
15.9
14.4
16.9
15.4
18.8
17.0
20.1
18.2
22.0
19.9
23.8
21.5
25.8
23.2
26.9
24.4
28.8
26.0
30.5
27.6
32.2
29.2
34.0
30.8
35.8
32.4
39.4
35.5
43.0
38.9
46.6
42.1
50.0
45.4
53.5
48.4
59.0
53.3
64.3
58.1
1. Suffix 'A ' denotes 5% tolerance device. Without 'A' denotes 10% tolerance device
2. Add suffix 'C 'or ' 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
Note:
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P. 3
SMAJ Series
Electrical Characteristics(T
A
=25℃ unless otherwise noted)
Part Number Part Number
(Uni)
(Bi)
SMAJ40
SMAJ40A
SMAJ43
SMAJ43A
SMAJ45
SMAJ45A
SMAJ48
SMAJ48A
SMAJ51
SMAJ51A
SMAJ54
SMAJ54A
SMAJ58
SMAJ58A
SMAJ60
SMAJ60A
SMAJ64
SMAJ64A
SMAJ70
SMAJ70A
SMAJ75
SMAJ75A
SMAJ78
SMAJ78A
SMAJ80
SMAJ80A
SMAJ85
SMAJ85A
SMAJ90
SMAJ90A
SMAJ100
SMAJ100A
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ140
SMAJ140A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
SMAJ180
SMAJ180A
SMAJ190
SMAJ190A
SMAJ200A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ440A
SMAJ40C
SMAJ40CA
SMAJ43C
SMAJ43CA
SMAJ45C
SMAJ45CA
SMAJ48C
SMAJ48CA
SMAJ51C
SMAJ51CA
SMAJ54C
SMAJ54CA
SMAJ58C
SMAJ58CA
SMAJ60C
SMAJ60CA
SMAJ64C
SMAJ64CA
SMAJ70C
SMAJ70CA
SMAJ75C
SMAJ75CA
SMAJ78C
SMAJ78CA
SMAJ80C
SMAJ80CA
SMAJ85C
SMAJ85CA
SMAJ90C
SMAJ90CA
SMAJ100C
SMAJ100CA
SMAJ110C
SMAJ110CA
SMAJ120C
SMAJ120CA
SMAJ130C
SMAJ130CA
SMAJ140C
SMAJ140CA
SMAJ150C
SMAJ150CA
SMAJ160C
SMAJ160CA
SMAJ170C
SMAJ170CA
SMAJ180C
SMAJ180CA
SMAJ190C
SMAJ190CA
SMAJ200CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
SMAJ440CA
Device
Marking
Code
Uni
CQ
CR
CS
CT
CU
CV
CW
CX
CY
CZ
RD
RE
RF
RG
RH
RK
RL
RM
RN
RP
RQ
RR
RS
RT
RA
RB
RU
RV
RW
RX
RY
RZ
SD
SE
SF
SG
SH
SK
SA
SB
SL
SM
SN
SP
SQ
SR
SS
ST
SU
SV
SW
SX
SZ
DE
DG
DK
DM
Bi
YQ
YR
YS
YT
YU
YV
YW
YX
YY
YZ
ZD
ZE
ZF
ZG
ZH
ZK
ZL
ZM
ZN
ZP
ZQ
ZR
ZS
ZT
ZA
ZB
ZU
ZV
ZW
ZX
ZY
ZZ
VD
VE
VF
VG
VH
VK
VA
VB
VL
VM
VN
VP
VQ
VR
VS
VT
VU
VV
VW
VX
VZ
HE
HG
HK
HM
Maximum Working
Maximum Maximum
Reverse Peak Reverse
Clamping
Reverse
Breakdown Voltage V
BR
@I
T
Leakage I
R
Voltage V
C
Voltage
Surge
V
RWM
Current I
PP
@V
RWM
@I
PP
I
T
(mA)
Min (V) Max (V)
(V)
(A)
(uA)
(V)
44.40
44.40
47.80
47.80
50.00
50.00
53.30
53.30
56.70
56.70
60.00
60.00
64.40
64.40
66.70
66.70
71.10
71.10
77.80
77.80
83.30
83.30
86.70
86.70
88.96
88.80
94.40
94.40
100.00
100.00
111.00
111.00
122.00
122.00
133.00
133.00
144.00
144.00
155.68
155.00
167.00
167.00
178.00
178.00
189.00
189.00
200.16
200.00
211.28
211.00
224.00
246.00
279.00
335.00
391.00
447.00
492.00
54.30
49.10
58.40
52.80
61.10
55.30
65.10
58.90
69.30
62.70
73.30
66.30
78.70
71.20
81.50
73.70
86.90
78.60
95.10
86.00
102.00
92.10
106.00
95.80
108.80
97.60
115.00
104.00
122.00
111.00
136.00
123.00
149.00
135.00
163.00
147.00
176.00
159.00
190.40
171.00
204.00
185.00
218.00
197.00
231.00
209.00
244.80
220.00
258.40
232.00
247.00
272.00
309.00
371.00
432.00
494.00
543.00
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
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
1
1
1
1
1
1
40.0
40.0
43.0
43.0
45.0
45.0
48.0
48.0
51.0
51.0
54.0
54.0
58.0
58.0
60.0
60.0
64.0
64.0
70.0
70.0
75.0
75.0
78.0
78.0
80.0
80.0
85.0
85.0
90.0
90.0
100.0
100.0
110.0
110.0
120.0
120.0
130.0
130.0
140.0
140.0
150.0
150.0
160.0
160.0
170.0
170.0
180.0
180.0
190.0
190.0
200.0
220.0
250.0
300.0
350.0
400.0
440.0
5.60
6.20
5.22
5.76
4.98
5.50
4.68
5.17
4.39
4.85
4.15
4.59
3.88
4.27
3.74
4.13
3.51
3.88
3.20
3.54
2.99
3.31
2.88
3.17
2.79
3.09
2.65
2.92
2.50
2.74
2.23
2.47
2.04
2.26
1.87
2.07
1.73
1.91
1.60
1.76
1.49
1.65
1.39
1.54
1.32
1.45
1.24
1.37
1.18
1.30
1.23
1.12
0.99
0.82
0.71
0.62
0.56
71.4
64.5
76.7
69.4
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103.0
93.6
107.0
96.8
114.0
103.0
125.0
113.0
134.0
121.0
139.0
126.0
143.2
129.6
151.0
137.0
160.0
146.0
179.0
162.0
196.0
177.0
214.0
193.0
231.0
209.0
250.6
226.8
268.0
243.0
287.0
259.0
304.0
275.0
322.2
291.6
340.1
307.8
324.0
356.0
405.0
486.0
567.0
648.0
713.0
P. 4
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