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參數資料
| 型號： | SMAJ78A |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC |
| 封裝： | GREEN, PLASTIC, SMA, 2 PIN |
| 文件頁數： | 1/5頁 |
| 文件大小： | 145K |
| 代理商： | SMAJ78A |
creat by art
UL Recognized File # E-326243
Low profile package
Built-in strain relief
Glass passivated junction
Excellent clamping capability
Typical IR less than 1uA above 10V
XX
= Specific Device Code
G
= Green Compound
Y
= Year
M
= Work Month
Maximum Ratings and Electrical Characteristics
Rating at 25 ℃ ambient temperature unless otherwise specified.
Symbol
Unit
PPK
Watts
PD
Watts
TJ, TSTG
℃
3.5
Volts
Minimum 400
Amps
1
Value
Packaging: 12mm tape per EIA Std RS-481
Mechanical Data
Terminals: Pure tin plated, lead free
Case: Molded plastic
Weight: 0.064 gram
Type Number
Operating and Storage Temperature Range
Peak Power Dissipation at TA=25℃, Tp=1ms(Note 1)
Devices for Bipolar Applications
Version:F11
1. For Bidrectional Use C or CA Suffix for Types SMAJ5.0 through Types SMAJ188
Features
Polarity: Indicated by cathode band
Steady State Power Dissipation
400 watts peak pulse power capability with a 10 /
1000 us waveform (300W above 78V)
Green compound with suffix "G" on packing
code & prefix "G" on datecode
For surface mounted application
Fast response time: Typically less than 1.0ps from
0 volt to BV min
High temperature soldering guaranteed:
260℃ / 10 seconds at terminals
Plastic material used carried Underwriters
Laboratory Flammability Classification 94V-0
SMAJ SERIES
400 Watts Suface Mount Transient Voltage Suppressor
Marking Diagram
SMA/DO-214AC
Dimensions in inches and (millimeters)
2. Electrical Characterstics Apply in Both Directions
-55 to +150
Peak Forward Surge Current, 8.3ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method) (Note 2, 3)
IFSM
Note 1: Non-repetitive Current Pulse Per Fig. 3 and Derated above TA=25℃ Per Fig. 2
Note 2: Mounted on 5 x 5mm (.013mm Think) Copper Pads to Each Terminal
Note 3: 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per Minute Maximum
40
Maximum Instantaneous Forward Voltage at 25.0A for
Unidirectional Only
VF
Pb
RoHS
COMPLIANCE
RoHS
COMPLIANCE
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SMAJ78A R2 | 制造商:SKMI/Taiwan 功能描述:Diode TVS Single Uni-Dir 78V 400W 2-Pin SMA T/R |
| SMAJ78A/1 | 功能描述:TVS 二極管 - 瞬態電壓抑制器 400W 78V 5% Uni RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
| SMAJ78A/11 | 功能描述:TVS 二極管 - 瞬態電壓抑制器 400W 78V 5% Uni RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
| SMAJ78A/13 | 功能描述:TVS 二極管 - 瞬態電壓抑制器 400W 78V 5% Uni RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
| SMAJ78A/2F | 功能描述:TVS 二極管 - 瞬態電壓抑制器 400W 78V 5% Uni RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
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