SMAJ***A Series
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE 5.0 TO 400 Volts
400 Watt Peak Pulse Power
FEATURES
* Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
* For surface mounted applications in order to optimize
board space
* Low profile package
* Built-in strain relief
* Glass passivated junction
* Low inductance
* Excellent clamping capability
* Repetition Rate (duty cycle):0.01%
* Fast response time: typically less than 1.0ps
from 0 Volts to V(BR) for unidirectional types
* Typical IR less than 1mA above 10V
* High temperature soldering guaranteed:
260°C/10 seconds,
MECHANICAL DATA
We declare that the material of product compliance
Case: JEDEC DO-214AC molded plastic
Terminals: solderable per
MIL-STD-202, Method 208
Polarity: Color band denoted cathode except Bipolar
Mounting Position: Any
Weight: 0.0023 ounce, 0.065 gram
with ROHS requirements
1.DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use CA Suffix for types SMAJ5.0CA thru types SMAJ400CA
Electrical characteristics apply in both directions.marking like Uni; without color band.
MAXIMUM RATINGS AND 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%.
SYMBOL
VALUE
UNITS
Peak Power Dissipation at TA=25°C, TP=1ms(Note 1)
RATING
PPPM
Minimum 400
Watts
Steady State Power Dissipation at TL=75°C(Note 2)
PM(AV)
1.0
Watts
IFSM
30
Amps
Operating Temperature Range
TJ ,
-55 to +150
°C
Storage Temperature Range
TSTG
-55 to +175
°C
Peak Forward Surge Current, 8.3ms Single Half SineWave Superimposed on Rated Load(JECED Method) (Note 3)
NOTES:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA=25°C per Fig. 2.
2. Mounted on Copper Leaf area of 1.57in2(40mm2).
3. 8.3ms single half sine-wave, duty cycle= 4 pulses per minutes maximum.
SMAJ***A Series
UniDirectional
Part
Device
marking code
Number
Reverse
Breakdown
Breakdown
Test
Maximum
Peak
Reverse
Stand-off
Voltage
Voltage
Current
Clamping
Pulse
Leakage
Voltage
VBR (V)
VBR (V)
IT
Voltage
Current
@VRWM
VRWM (V)
Min. @IT
Max. @IT
(mA)
@IPP VC (V)
Ipp (A)
IR (uA)
SMAJ5.0A
AE
5.00
6.40
7.00
10.00
9.20
43.50
800
SMAJ6.0A
AG
6.00
6.67
7.37
10.00
10.30
38.80
800
SMAJ6.5A
AK
6.50
7.22
7.98
10.00
11.20
35.70
500
SMAJ7.0A
AM
7.00
7.78
8.60
10.00
12.00
33.30
200
SMAJ7.5A
AP
7.50
8.33
9.21
1.00
12.90
31.00
100
SMAJ8.0A
AR
8.00
8.89
9.83
1.00
13.60
29.40
50
SMAJ8.5A
AT
8.50
9.44
10.40
1.00
14.40
27.80
20
SMAJ9.0A
AV
9.00
10.00
11.10
1.00
15.40
26.00
10
SMAJ10A
AX
10.00
11.10
12.30
1.00
17.00
23.50
1
SMAJ11A
AZ
11.00
12.20
13.50
1.00
18.20
22.00
1
SMAJ12A
BE
12.00
13.30
14.70
1.00
19.90
20.10
1
SMAJ13A
BG
13.00
14.40
15.90
1.00
21.50
18.60
1
SMAJ14A
BK
14.00
15.60
17.20
1.00
23.20
17.20
1
SMAJ15A
BM
15.00
16.70
18.50
1.00
24.40
16.40
1
SMAJ16A
BP
16.00
17.80
19.70
1.00
26.00
15.40
1
SMAJ17A
BR
17.00
18.90
20.90
1.00
27.60
14.50
1
SMAJ18A
BT
18.00
20.00
22.10
1.00
29.20
13.70
1
SMAJ20A
BV
20.00
22.20
24.50
1.00
32.40
12.30
1
SMAJ22A
BX
22.00
24.40
26.90
1.00
35.50
11.30
1
SMAJ24A
BZ
24.00
26.70
29.50
1.00
38.90
10.30
1
SMAJ26A
CE
26.00
28.90
31.90
1.00
42.10
9.50
1
SMAJ28A
CG
28.00
31.10
34.40
1.00
45.40
8.80
1
SMAJ30A
CK
30.00
33.30
36.80
1.00
48.40
8.30
1
SMAJ33A
CM
33.00
36.70
40.60
1.00
53.30
7.50
1
SMAJ36A
CP
36.00
40.00
44.20
1.00
58.10
6.90
1
SMAJ40A
CR
40.00
44.40
49.10
1.00
64.50
6.20
1
SMAJ43A
CT
43.00
47.80
52.80
1.00
69.40
5.80
1
SMAJ45A
CV
45.00
50.00
55.30
1.00
72.70
5.50
1
SMAJ48A
CX
48.00
53.30
58.90
1.00
77.40
5.20
1
SMAJ51A
CZ
51.00
56.70
62.70
1.00
82.40
4.90
1
SMAJ54A
RE
54.00
60.00
66.30
1.00
87.10
4.60
1
SMAJ58A
RG
58.00
64.40
71.20
1.00
93.60
4.30
1
SMAJ60A
RK
60.00
66.70
73.70
1.00
96.80
4.10
1
SMAJ64A
RM
64.00
71.10
78.60
1.00
103.00
3.90
1
SMAJ70A
RP
70.00
77.80
86.00
1.00
113.00
3.50
1
SMAJ75A
RR
75.00
83.30
92.10
1.00
121.00
3.30
1
SMAJ78A
RT
78.00
86.70
95.80
1.00
126.00
3.20
1
SMAJ85A
RV
85.00
94.40
104.00
1.00
137.00
2.90
1
SMAJ90A
RX
90.00
100.00
111.00
1.00
146.00
2.70
1
SMAJ100A
RZ
100.00
111.00
123.00
1.00
162.00
2.50
1
SMAJ110A
SE
110.00
122.00
135.00
1.00
177.00
2.30
1
SMAJ120A
SG
120.00
133.00
147.00
1.00
193.00
2.10
1
SMAJ130A
SK
130.00
144.00
159.00
1.00
209.00
1.90
1
SMAJ150A
SM
150.00
167.00
185.00
1.00
243.00
1.60
1
SMAJ160A
SP
160.00
178.00
197.00
1.00
259.00
1.50
1
SMAJ170A
SR
170.00
189.00
209.00
1.00
275.00
1.50
1
SMAJ180A
ST
180.00
198.00
221.00
1.00
291.00
1.40
1
SMAJ190A
SV
190.00
209.00
233.00
1.00
307.00
1.30
1
SMAJ200A
SX
200.00
220.00
246.00
1.00
324.00
1.30
1
SMAJ220A
SY
220.00
246.00
272.00
1.00
356.00
1.20
1
SMAJ250A
SZ
250.00
279.00
309.00
1.00
405.00
1.00
1
SMAJ300A
TE
300.00
335.00
371.00
1.00
486.00
0.80
1
SMAJ350A
TG
350.00
391.00
432.00
1.00
567.00
0.70
1
SMAJ400A
TK
400.00
447.00
494.00
1.00
648.00
0.60
1
For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
SMAJ***A Series
Fig. 1-Peak Pulse Power Rating Curve
100
PPPM, Peak Pulse Power,KW
Non-Repetive
Pulse Waveform
Shown in Fig.3
TA=25°C
10
1.0
0.1
0.1
Peak Pulse Power(PPP) or current(IPP)
Derating in percentage %
2.Ratings and Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 2-Pulse Derating Curve
125
100
50
0
1.0
10
100
td,Pulse Width,μsec
1000
10000
0
Fig. 4-Typical Junction Capacitance
Unidirectional
Fig. 3-Pulse Waveform
10000
TA=25℃
Test Waveform
tf=10μs td=1000μs
tf=10μs
100
Peak Value
Ippm
10/1000μs Waveform
as deffused by R.E.A
50
Half Value
Ipp/2=td
Cj, Capacitance,pF
IPPM, Peak Pulse Current %
150
1.0
2.0
t,Time,ms
meansured at
stand-off voltage
VWM
Bi-Directional
100
10
1.0
3.0
10
1.0
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
Uni-Directional
10
100
1000
V(WM),Reverse Stand-off Voltage,Voltage
Fig. 6-Maximum Non-Repetitive Peak
Forward Surge Current Uniderictional
Fig 5. –typical transient thermal
impedance
IFSM, Forward Surge Current,Amperes
Transient thermal impedance(°C/W)
0
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
1000
0
100
25 50 100 125 150 175 200
TA,Ambient Temperature,°C
100
100
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
10
1
10
100
Number of Cycles At 60 Hz
SMAJ***A Series
3. dimension:
AG
负极色环
产品型
SMAJ***A Series
4. Update Record
版次
更新记录
更新作者
更新日期
1
第一版
周杰
2010-4-27
2
调整储存温度为175度
周杰
2010-9-23
3
增加建议焊片尺寸,调整产品单只重量。
周杰
2011-12-6
4
明确双向产品印字规范。
周杰
2012-5-10
5
去除10%精度系列
谭志伟
2018-5-23
6
增加300V 350V 400V产品
谭志伟
2018-10-13
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