參數(shù)資料
型號(hào)： SM8A27
廠商： GE Security, Inc.
英文描述： SURFACE MOUNT AUTOMOTIVE TRANSIENT VOLTAGE SUPPRESSOR
中文描述： 表面貼裝汽車(chē)瞬態(tài)電壓抑制器
文件頁(yè)數(shù)： 1/2頁(yè)
文件大小： 98K
代理商： SM8A27
SM8A27 TRANSIENT SUPPRESSOR
SURFACE MOUNT AUTOMOTIVE TRANSIENT VOLTAGE SUPPRESSOR
Zener Voltage -
27.0 Volts
Peak Pulse Current -
130.0 Amps
FEATURES
¨
Ideally suited for load dump protection
¨
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
¨
High temperature stability due to unique oxide passivation
¨
Exclusive patented PARa oxide passivated
chip construction
¨
Integrally molded heatsink provides
a very low thermal resistance
for maximum heat dissipation
¨
Low leakage current at T
J
=175C
¨
Low forward voltage drop
¨
High temperature soldering guaranteed:
260C for 10 seconds at terminals
MECHANICAL DATA
Case:
Molded plastic body, surface mount with heatsink
integrally mounted in the encapsulation
Terminals:
Plated, solderable per MIL-STD-750,
Method 2026
Polarity:
Heatsink is anode
Mounting Position:
Any
Weight:
0.091 ounce, 2.58 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
SM8A27
UNITS
Steady state power dissipation
P
D
8.0
Watts
Non-repetitive peak reverse surge current for 10
m
s/10ms
exponentially decaying waveform
I
RSM
130.0
Amps
Maximum working peak stand-off voltage
V
WM
22.0
Volts
Minimum reverse zener voltage at 10mA
V
Z
24.0
Volts
Maximum reverse zener voltage at 10mA
V
Z
30.0
Volts
Maximum zener voltage temperature coefficient at I
Z
=10mA
Vztc
36.0
m V/C
Peak forward surge current, 8.3ms single half sine-wave
I
FSM
700.0
Amps
Maximum clamping voltage for 10
m
s/10ms exponentially
decaying waveform at I
PP
=75A
V
C
40.0
Volts
Maximum instantaneous forward voltage at 6.0A
(NOTE 1)
V
F
0.98
Volts
Maximum reverse leakage current at rated V
WM
T
J
=25C
T
J
=175C
1.0
50.0
I
R
m
A
Maximum thermal resistance junction to case
R
Q
JC
0.90
C/W
Operating junction and storage temperature range
T
J
, T
STG
-55 to +175
C
NOTE:
(1) Measured on a 300
m
s square pulse width
NOTICE:
Advanced product information is subject to change without notice
2/23/99
Dimensions in inches
and
(millimeters)
NEW PRODUCT NEW PRODUCT NEW PRODUCT
*
Patent #s, 4,980,315,
5,166,769,
5,278,095
0.093(2.4)
0.116(3.0)
0.059(1.5)
0.098(2.5)
0.098(2.5)
0.138(3.5)
0.366(9.3)
0.343(8.7)
0.406(10.3)
0.382(9.7)
0.342(8.7)
0.327(8.3)
0.413(10.5)
0.374(9.5)
0.539(13.7)
0.524(13.3)
LEAD 2/METAL HEATSINK
0.020(0.5)
0.028(0.7)
0.028(0.7)
0.012(0.3)
0.197(5.0)
0.185(4.7)
LEAD 1
0.628(16.0)
0.592(15.0)
DO-218
PATENTED
*
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參數(shù)描述
SM8A27/2D 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 8W 27V Unidirect 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
SM8A27_08 制造商:VISHAY 制造商全稱(chēng):Vishay Siliconix 功能描述:Surface Mount Automotive Transient Voltage Suppressors
SM8A27_11 制造商:VISHAY 制造商全稱(chēng):Vishay Siliconix 功能描述:Surface Mount PAR Transient Voltage Suppressors
SM8A27-E3/2D 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 8W 27V Unidirect 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
SM8A27HE3/2D 功能描述:TVS 二極管 - 瞬態(tài)電壓抑制器 8.0W 27 Volt Unidir 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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