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SM8A27_11 Datasheet, PDF (2/5 Pages) Vishay Siliconix – Surface Mount PAR Transient Voltage Suppressors
SM8A27
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS (TC = 25 °C unless otherwise noted)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN.
Reverse Zener voltage
Zener voltage temperature coefficient
Clamping voltage for 10 μs/10 ms
exponentially decaying waveform
IZ = 10 mA
IZ = 10 mA
IPP = 75 A
VZ
VZTC
VC
24.0
-
-
Instantaneous forward voltage
IF = 6.0 A
IF = 100 A
-
VF (1)
-
Reverse leakage current
TJ = 25 °C
-
Rated VWM
IR
TJ = 175 °C
-
Note
(1) Measured on a 300 μs square pulse width
THERMAL CHARACTERISTICS (TC = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
Typical thermal resistance, junction to case
RJC
TYP.
-
-
-
-
0.93
-
-
VALUE
0.90
MAX.
30.0
36
40.0
0.98
-
1.0
50.0
UNIT
V
mV/°C
V
V
μA
UNIT
°C/W
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY
DELIVERY MODE
SM8A27HE3/2D (1)
2.605
2D
750
13" diameter plastic tape and reel,
anode towards the sprocket hole
Note
(1) AEC-Q101 qualified
RATINGS AND CHARACTERISTICS CURVES
(TA = 25 °C unless otherwise noted)
8.0
6.0
4.0
2.0
0
0
50
100
150
200
Case Temperature (°C)
Fig. 1 - Power Derating Curve
6000
5000
4000
3000
2000
1000
0
25
50
75
100
125
150
175
Case Temperature (°C)
Fig. 2 - Load Dump Power Characteristics
(10 ms Exponential Waveform)
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For technical questions within your region, please contact one of the following: Document Number: 88386
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
Revision: 09-Feb-11