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參數資料
| 型號： | SMAJ28A |
| 廠商： | STMICROELECTRONICS |
| 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 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 150K |
| 代理商： | SMAJ28A |
1/6
SMAJ
TRANSIL
REV. 8
K
A
Unidirectional
Bidirectional
SMA
(JEDEC DO-214AC)
February 2006
FEATURES
■ Peak Pulse Power : 400 W (10/1000s)
■ Stand off voltage range:
From 5V to 188V
■ Uni and Bidirectional types
■ Low clamping factor
■ Fast response time
■ JEDEC registered package outline
DESCRIPTION
The SMAJ series are TRANSILTM diodes de-
signed specifically for protecting sensitive equip-
ment against transient overvoltages. The SMA
package allows save spacing on high density
printed circuit boards.
Transil diodes provide high overvoltage protection
by clamping action. Their instantaneous response
to transient overvoltages makes them particularly
suited to protect voltage sensitive devices such as
MOS Technology and low voltage supplied IC’s.
Table 2: Absolute Maximum Rating (Tamb = 25°C)
Table 3: Thermal Resistances
Symbol
Parameter
Value
Unit
PPP
Peak pulse power dissipation (see note 1)
Tj initial = Tamb
400
W
P
Power dissipation on infinite heatsink
Tamb = 50°C
3.3
W
IFSM
Non repetitive surge peak forward
current for unidirectional types
tp = 10 ms
Tj initial = Tamb
40
A
Tstg
Tj
Storage temperature range
Maximum junction temperature
-65 to 175
150
°C
TL
Maximum lead temperature for soldering during 10 s.
260
°C
Note 1: for a surge greater than the maximum values, the diode will fail in short-circuit.
Symbol
Parameter
Value
Unit
Rth(j-l)
Junction to leads
30
°C/W
Rth(j-a) Junction to ambient on printed circuit on recommended pad layout
120
°C/W
Table 1: Order Codes
Part Number
Marking
SMAJxxxA-TR
See page 2
SMAJxxxCA-TR
See page 2
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| SMAJ28C | 400 W, BIDIRECTIONAL, SILICON, TVS DIODE, DO-214AC |
| SMAJ4461DE3 | 6.8 V, 1.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214BA |
| MQSMAJ4472DE3 | 20 V, 1.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214BA |
| MQSMAJ4475DE3 | 27 V, 1.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214BA |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SMAJ28A R2 | 制造商:SKMI/Taiwan 功能描述:Diode TVS Single Uni-Dir 28V 400W 2-Pin SMA T/R |
| SMAJ28A | 制造商:Littelfuse 功能描述:TVS DIODE 400W 28V DO-214AC 制造商:STMicroelectronics 功能描述:DIODE TVS SMA 400W 28V |
| SMAJ28A/1 | 功能描述:TVS 二極管 - 瞬態電壓抑制器 400W 28V 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 |
| SMAJ28A/11 | 功能描述:TVS 二極管 - 瞬態電壓抑制器 400W 28V 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 |
| SMAJ28A/13 | 功能描述:TVS 二極管 - 瞬態電壓抑制器 400W 28V 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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