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參數資料
| 型號： | SMAJ78-5A |
| 廠商： | GENERAL SEMICONDUCTOR INC |
| 元件分類： | TVS二極管 - 瞬態電壓抑制 |
| 英文描述： | 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC |
| 封裝： | PLASTIC, SMA, 2 PIN |
| 文件頁數： | 1/4頁 |
| 文件大小： | 74K |
| 代理商： | SMAJ78-5A |
Devices for Bidirectional Applications
For bi-directional devices, use suffix C or CA (e.g. SMAJ10C, SMAJ10CA). Electrical characteristics apply in both directions.
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Unit
Peak pulse power dissipation with
PPPM
400
W
a 10/1000
s waveform(1,2) (see fig. 1)
Peak pulse current with a 10/1000
s waveform(1)
IPPM
See Next Table
A
Peak forward surge current 8.3ms single half sine-wave
IFSM
40
A
uni-directional only(2)
Typical thermal resistance, junction to ambient(3)
R
θJA
120
°C/W
Typical thermal resistance, junction to lead
R
θJL
30
°C/W
Operating junction and storage temperature range
TJ, TSTG
–55 to +150
°C
Notes: (1) Non-repetitive current pulse, per Fig. 3 and derated above TA = 25°C per Fig. 2. Rating is 300W above 78V
(2) Mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
0.157 (3.99)
0.177 (4.50)
0.006 (0.152)
0.012 (0.305)
0.030 (0.76)
0.060 (1.52)
0.008 (0.203) MAX.
0.194 (4.93)
0.208 (5.28)
0.100 (2.54)
0.110 (2.79)
0.078 (1.98)
0.090 (2.29)
0.049 (1.25)
0.065 (1.65)
Cathode Band
SMAJ5.0 thru 188CA
Surface Mount TRANSZORB
Transient Voltage Suppressors
Stand-off Voltage 5.0 to 188V
Peak Pulse Power 400W
Dimensions in inches
and (millimeters)
DO-214AC (SMA)
10/17/01
Features
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
Optimized for LAN protection applications
Ideal for ESD protection of data lines in
accordance with IEC 1000-4-2 (IEC801-2)
Ideal for EFT protection of data lines in
accordance with IEC 1000-4-4 (IEC801-4)
Low profile package with built-in strain relief for
surface mounted applications
Glass passivated junction
Low incremental surge resistance, excellent clamping
capability
400W peak pulse power capability with a 10/1000
s
waveform, repetition rate (duty cycle): 0.01% (300W
above 78V)
Very fast response time
High temperature soldering guaranteed:
250°C/10 seconds at terminals
Mechanical Data
Case: JEDEC DO-214AC molded plastic over
passivated chip
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation
Mounting Position: Any
Weight: 0.002oz., 0.064g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 20K/carton
61 – 1.8K per 7” plastic Reel (12mm tape), 36K/carton
5A – 7.5K per 13” plastic Reel (12mm tape), 75K/carton
0.094 MAX.
(2.38 MAX.)
0.220
(5.58) REF
0.066 MIN.
(1.68 MIN.)
0.052 MIN.
(1.32 MIN.)
Mounting Pad Layout
Extended
Voltage
Range
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SMAJ78A | 功能描述:TVS 二極管 - 瞬態電壓抑制器 78volts 5uA 3.2 Amps Uni-Dir 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 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 |
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