SMAJ7.5A-AT [UNSEMI]
Surface Mount Transient Voltage Suppressors;
| 型号： | SMAJ7.5A-AT |
| 厂家： | 
UN Semiconducctor INC |
| 描述： | Surface Mount Transient Voltage Suppressors 局域网 光电二极管 |
| 文件： | 总6页 (文件大小：1186K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Surface Mount Transient Voltage Suppressors
Uni-directional
Bi-directional
TVS diodes can be used in a wide range of applications which like
consumer electronic products, automotive industries, munitions,
telecommunications, aerospace industries, and intelligent control
systems.
Working Voltage: 5.0 to 440 V
Glass passivated or planar junction
Excellent clamping capability
Repetition rate (duty cycle): 0.01%
Low profile package and low inductance
400W Peak Pulse power capability at 10×1000μs waveform.
Fast response time: typically less than 1.0ps from 0V to VBR
min.
Bi-directional
Cathode
Anode
Uni-direction
High temperature soldering: 260℃/10s at terminals.
Plastic package has Underwriters Laboratory Flammability
94V-0.
For surface mounted applications in order to optimize board
space.
Package: SMA/DO-214AC
Case Material: “Green”Molding Compound.
UL Flammability Classification Rating 94V-0
Polarity:Color band denotes cathode except
bi-directional models
High reliability application and automotive grade AECQ101
qualified .
Standard Packaging:12mm tape (EIA STD RS-481)
Weight: 0.07g
I/O Interface.
AC/DC Power supply
Terminal Connections: See Diagram Below
Marking Information: See Below
Low frequency signal transmission line (RS232, RS485, etc.)
Parameter
Symbol
PPPM
Value
Units
Peak power dissipation with a 10/1000μs waveform
400
W
Steady state power dissipation at TL=75℃
Maximum Instantaneous Forward Voltage at 30A for Unidirectional
Storage temperature range
PM(AV)
VF
3.3
W
V
5.0
-55 to +150
-55 to +150
℃
℃
Tstg
Tj
Operating junction temperature range
@ UN Semiconductor Co., Ltd. 2019
Specifications are subject to change without notice.
Revision December 19, 2019
1 / 6
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors
Maximum Maximum
Maximum
Reverse
Leakage IR
@VRWM
Breakdown
Reverse
Test
Current
IT
Clamping
Voltage
VC
Peak
Pulse
Current
IPP (A)
Part Number
Marking
Uni Bi
Voltage VBR (V)
@IT
Stand-Off
Voltage
VRWM(V)
(mA)
Uni
Bi
MIN
MAX
7.00
@IPP (V)
(μA)
SMAJ5.0A-AT SMAJ5.0CA-AT AET WET
SMAJ6.0A-AT SMAJ6.0CA-AT AGT WGT
SMAJ6.5A-AT SMAJ6.5CA-AT AKT WKT
SMAJ7.0A-AT SMAJ7.0CA-AT AMT WMT
SMAJ7.5A-AT SMAJ7.5CA-AT APT WPT
SMAJ8.0A-AT SMAJ8.0CA-AT ART WRT
SMAJ8.5A-AT SMAJ8.5CA-AT ATT WTT
SMAJ9.0A-AT SMAJ9.0CA-AT AVT WVT
SMAJ10A-AT SMAJ10CA-AT AXT WXT
SMAJ11A-AT SMAJ11CA-AT AZT WZT
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
20
22
24
26
28
30
33
36
40
43
45
48
6.40
10
10
10
10
1
9.2
43.5
38.8
35.7
33.3
31.0
29.4
27.8
26.0
23.5
22.0
20.1
18.6
17.3
16.4
15.4
14.5
13.7
12.4
11.3
10.3
9.5
800
800
500
200
100
50
20
10
5
6.67
7.37
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
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
7.22
7.98
7.78
8.60
8.33
9.21
8.89
9.83
1
9.44
10.40
11.10
12.30
13.50
14.70
15.90
17.20
18.50
19.70
20.90
22.10
24.50
26.90
29.50
31.90
34.40
36.80
40.60
44.20
49.10
52.80
55.30
58.90
1
10.00
11.10
12.20
13.30
14.40
15.60
16.70
17.80
18.90
20.00
22.20
24.40
26.70
28.90
31.10
33.30
36.70
40.00
44.40
47.80
50.00
53.30
1
1
1
1
SMAJ12A-AT SMAJ12CA-AT BET
SMAJ13A-AT SMAJ13CA-AT BGT XGT
SMAJ14A-AT SMAJ14CA-AT BKT XKT
SMAJ15A-AT SMAJ15CA-AT BMT XMT
SMAJ16A-AT SMAJ16CA-AT BPT XPT
SMAJ17A-AT SMAJ17CA-AT BRT XRT
XET
1
1
1
1
1
1
1
1
1
1
1
1
SMAJ18A-AT SMAJ18CA-AT BTT
SMAJ20A-AT SMAJ20CA-AT BVT
SMAJ22A-AT SMAJ22CA-AT BXT
SMAJ24A-AT SMAJ24CA-AT BZT
SMAJ26A-AT SMAJ26CA-AT CET
XTT
XVT
XXT
XZT
YET
1
1
1
1
1
1
1
1
1
1
SMAJ28A-AT SMAJ28CA-AT CGT YGT
SMAJ30A-AT SMAJ30CA-AT CKT YKT
SMAJ33A-AT SMAJ33CA-AT CMT YMT
SMAJ36A-AT SMAJ36CA-AT CPT YPT
SMAJ40A-AT SMAJ40CA-AT CRT YRT
1
8.8
1
1
8.3
1
1
7.5
1
1
6.9
1
1
6.2
1
SMAJ43A-AT SMAJ43CA-AT CTT
SMAJ45A-AT SMAJ45CA-AT CVT
SMAJ48A-AT SMAJ48CA-AT CXT
YTT
YVT
YXT
1
5.8
1
1
5.5
1
1
5.2
1
@ UN Semiconductor Co., Ltd. 2019
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Revision December 19, 2019
2 / 6
Surface Mount Transient Voltage Suppressors
Maximum Maximum
Maximum
Reverse
Leakage IR
@VRWM
Breakdown
Reverse
Test
Current
IT
Clamping
Voltage
VC
Peak
Pulse
Current
IPP (A)
Part Number
Marking
Voltage VBR (V)
@IT
Stand-Off
Voltage
VRWM(V)
(mA)
Uni
Bi
Uni
Bi
YZT
ZE
MIN
MAX
@IPP (V)
(μA)
SMAJ51A-AT SMAJ51CA-AT CZT
SMAJ54A-AT SMAJ54CA-AT RET
51
54
56.70
60.00
64.40
66.70
71.10
77.80
83.30
86.70
94.40
100.0
100.0
111.0
122.0
133.0
144.0
167.0
178.0
189.0
201.0
211.0
224.0
233.0
391.0
447.0
492.0
62.70
66.30
71.20
73.70
78.60
86.00
92.10
95.80
104.0
111.0
111.0
123.0
135.0
147.0
159.0
185.0
197.0
209.0
222.0
234.0
247.0
258.0
432.0
494.0
543.0
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
82.4
87.1
4.9
4.6
4.3
4.1
3.9
3.6
3.3
3.2
2.9
2.8
2.5
2.3
2.1
1.9
1.7
1.6
1.5
1.4
1.3
1.1
1.0
0.8
0.7
0.6
0.6
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
SMAJ58A-AT SMAJ58CA-AT RGT ZGT
SMAJ60A-AT SMAJ60CA-AT RKT ZKT
58
93.6
60
96.8
SMAJ64A-AT SMAJ64CA-AT RMT ZMT
SMAJ70A-AT SMAJ70CA-AT RPT ZPT
64
103.0
113.0
121.0
126.0
137.0
146.0
162.0
177.0
193.0
209.0
243.0
259.0
275.0
292.0
324.0
356.0
405.0
486.0
567.0
648.0
713.0
70
SMAJ75A-AT SMAJ75CA-AT RRT ZRT
75
SMAJ78A-AT SMAJ78CA-AT RTT
SMAJ85A-AT SMAJ85CA-AT RVT
SMAJ90A-AT SMAJ90CA-AT RXT
SMAJ100A-AT SMAJ100CA-AT RZT
SMAJ110A-AT SMAJ110CA-AT SET
ZTT
ZVT
ZXT
ZZT
VET
78
85
90
100
110
120
130
150
160
170
180
200
220
250
300
350
400
440
SMAJ120A-AT SMAJ120CA-AT SGT VGT
SMAJ130A-AT SMAJ130CA-AT SKT VKT
SMAJ150A-AT SMAJ150CA-AT SMT VMT
SMAJ160A-AT SMAJ160CA-AT SPT VPT
SMAJ170A-AT SMAJ170CA-AT SRT VRT
SMAJ180A-AT SMAJ180CA-AT STT VTT
SMAJ200A-AT SMAJ200CA-AT SWT VWT
SMAJ220A-AT SMAJ220CA-AT SXT
SMAJ250A-AT SMAJ250CA-AT SZT
VXT
VZT
SMAJ300A-AT SMAJ300CA-AT DET HET
SMAJ350A-AT SMAJ350CA-AT DGT HGT
SMAJ400A-AT SMAJ400CA-AT DKT HKT
SMAJ440A-AT SMAJ440CA-AT DKT HKT
Note:
(1) Add suffix ' CA ' after part number to specify Bi-directional devices
(2) Suffix 'A ' denotes 5% tolerance device.
@ UN Semiconductor Co., Ltd. 2019
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Revision December 19, 2019
3 / 6
Surface Mount Transient Voltage Suppressors
100
80
150
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
tr=10µsec
Peak Value
IPPM
100
60
40
Half Value
IPPM (IPPM/2)
50
10/1000µsec. Waveform
as defined by R.E.A
20
0
tc
0
0
25
50
75
100
125
150
175
0
1.0
2.0
3.0
4.0
TA-Ambient temperature(°C)
t - Time (ms)
100
10
1
2.5
2.0
1.5
1.0
0.5
0.0
0.1
0.1
1
10
100
1000
10000
0
25
50
75
100
125
150
175
200
td - Pulse Width (μs)
TL - Lead Temperature(°C)
10000
50
Bi-directional
@zero bins
TJ=TJ max.
8.3 ms Single Half Sine-Wave
40
30
Uni-directional
@zero bins
1000
100
Uni-directional @VRWM
20
10
10
1
Tj=25°C
f=1.0MHz
Vsig=50mVp-p
Bi-directional @VRWM
100.0
0
1.0
10.0
1000.0
1 0
Number of Cycles at 60Hz
1
100
VBR-Reverse Breakdown Voltage (V)
@ UN Semiconductor Co., Ltd. 2019
Specifications are subject to change without notice.
Revision December 19, 2019
4 / 6
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors
Reflow Condition
-Temperature Min (Ts(min)
Lead–free assembly
150°C
TP
Critical Zone
TL to TP
Ramp-up
)
TL
Pre Heat
-Temperature Max (Ts(max)
- Time (min to max) (ts)
)
200°C
TS(max)
Ramp-down
60 -180 Seconds
TS(min)
Average ramp up rate ( Liquidus Temp TL)
to peak
3°C/second max
Preheat
25
Time to peak temperature
TS(max) to TL - Ramp-up Rate
3°C/second max
217°C
Time
(t 25℃ to peak)
- Temperature (TL) (Liquidus)
Reflow
- Time (min to max) (ts)
60 -150 Seconds
260 +0/-5°C
Peak Temperature (TP)
Time within 5°C of actual peak
Temperature (tp)
20 -40 Seconds
Ramp-down Rate
6°C/second max
8 minutes Max
260°C
Time 25°C to peak Temperature (TP)
Do not exceed
@ UN Semiconductor Co., Ltd. 2019
Specifications are subject to change without notice.
Revision December 19, 2019
5 / 6
Please refer to www.unsemi.com.tw for current information.
Surface Mount Transient Voltage Suppressors
Inches
Millimeters
Min
DO-214AC (SMA)
Dimensions
Min
Max
0.064
0.179
0.109
0.089
0.060
0.008
0.206
0.012
-
Max
1.630
4.550
2.760
2.260
1.510
0.203
5.220
0.305
-
Cathode Band
A
0.049
0.162
0.099
0.077
0.030
-
1.230
4.10
2.510
1.960
0.750
-
B
C
D
E
F
G
H
I
0.192
0.006
0.070
0.082
-
4.87
0.152
1.800
2.100
-
J
-
-
K
L
0.090
-
2.300
-
0.082
2.100
@ UN Semiconductor Co., Ltd. 2019
Specifications are subject to change without notice.
Please refer to www.unsemi.com.tw for current information.
Revision December 19, 2019
6 / 6
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