参数资料
| 型号： | 1SMA28AT3 |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/5页 |
| 文件大小： | 0K |
| 描述： | TVS 400W 28V UNIDIRECT SMA |
| 产品变化通告： | Discontinuation 30/Jun/2006 |
| 标准包装： | 5,000 |
| 电压 - 反向隔离（标准值）： | 28V |
| 电压 - 击穿： | 31.1V |
| 功率（瓦特）： | 400W |
| 电极标记： | 单向 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | DO-214AC，SMA |
| 供应商设备封装： | SMA |
| 包装： | 带卷 (TR) |
1SMA5.0AT3G Series, SZ1SMA5.0AT3G Series
MAXIMUM RATINGS
Rating
Peak Power Dissipation (Note 1) @ T L = 25 ? C, Pulse Width = 1 ms
DC Power Dissipation @ T L = 75 ? C Measured Zero Lead Length (Note 2)
Derate Above 75 ? C
Thermal Resistance from Junction to Lead
DC Power Dissipation (Note 3) @ T A = 25 ? C
Derate Above 25 ? C
Thermal Resistance from Junction to Ambient
Forward Surge Current (Note 4) @ T A = 25 ? C
Operating and Storage Temperature Range
Symbol
P PK
P D
R q JL
P D
R q JA
I FSM
T J , T stg
Value
400
1.5
20
50
0.5
4.0
250
40
? 65 to +150
Unit
W
W
mW/ ? C
? C/W
W
mW/ ? C
? C/W
A
? C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. 10 X 1000 m s, non ? repetitive.
2. 1 ? square copper pad, FR ? 4 board.
3. FR ? 4 board, using ON Semiconductor minimum recommended footprint, as shown in 403B case outline dimensions spec.
4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
ELECTRICAL CHARACTERISTICS (T A = 25 ? C unless
otherwise noted, V F = 3.5 V Max. @ I F = 30 A for all types) (Note 5)
Symbol Parameter
I PP
Maximum Reverse Peak Pulse Current
V C
Clamping Voltage @ I PP
I F
I
I R V F
V RWM
I R
Working Peak Reverse Voltage
Maximum Reverse Leakage Current @ V RWM
V C V BR V RWM
I T
V
V BR
I T
Breakdown Voltage @ I T
Test Current
I F
V F
Forward Current
Forward Voltage @ I F
I PP
5. 1/2 sine wave or equivalent, PW = 8.3 ms, non ? repetitive duty
cycle.
http://onsemi.com
2
Uni ? Directional TVS
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| 1SMA28AT3G | 功能描述:TVS 二极管 - 瞬态电压抑制器 28V 400W Unidirectional RoHS:否 制造商:Vishay Semiconductors 极性:Bidirectional 工作电压: 击穿电压:58.9 V 钳位电压:77.4 V 峰值浪涌电流:38.8 A 系列: 封装 / 箱体:DO-214AB 最小工作温度:- 55 C 最大工作温度:+ 150 C |
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| 1SMA28CAT3G | 功能描述:TVS 二极管 - 瞬态电压抑制器 28V 400W Bidirectional RoHS:否 制造商:Vishay Semiconductors 极性:Bidirectional 工作电压: 击穿电压:58.9 V 钳位电压:77.4 V 峰值浪涌电流:38.8 A 系列: 封装 / 箱体:DO-214AB 最小工作温度:- 55 C 最大工作温度:+ 150 C |
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