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| JAN2N3902 Datasheet, PDF (2/2 Pages) Microsemi Corporation – NPN HIGH POWER SILICON TRANSISTOR | |||
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2N3902, 2N5157 JAN SERIES
ELECTRICAL CHARACTERISTICS (conât)
Characteristics
ON CHARACTERISTICS(3) (conât)
Symbol
Min. Max.
Forward-Current Transfer Ratio
IC = 0.5 Adc; VCE = 5.0 Vdc
25
IC = 1.0 Adc; VCE = 5.0 Vdc
IC = 2.5 Adc; VCE = 5.0 Vdc
hFE
30
90
10
IC = 3.5 Adc; VCE = 5.0 Vdc
5
Collector-Emitter Sustaining Voltage
IC = 100 mAdc
2N3902
2N5157
VCEO(sus)
325
400
DYNAMIC CHARACTERISTICS
Small-Signal Short-Circuit Forward Current Transfer Ratio
IC = 0.2 Adc; VCE = 10 Vdc, f = 1 MHz
Output Capacitance
VCB = 10 Vdc; IE = 0, 100 kHz ⤠f ⤠1.0 MHz
hfe
Cobo
2.5
25
250
SWITCHING CHARACTERISTICS
Turn-On Time
VCC = 125 Vdc; IC = 1.0 Adc; IB1= 0.1 Adc
ton
0.8
Turn-Off Time
VCC = 125 Vdc; IC = 1.0 Adc; IB1 = 0.1 Adc; -IB2 = 0.50 Adc
toff
1.7
SAFE OPERATING AREA
DC Tests (continuous)
TC = +250C; t ⥠1.0 s (See Figure 3 of MIL-PRF-19500/371)
Test 1
VCE = 28.6 Vdc, IC = 3.5 Adc
Test 2
VCE = 70 Vdc, IC = 1.43 Adc
Test 3
VCE = 325 Vdc, IC = 55 mAdc
2N3902
VCE = 400 Vdc, IC = 35 mAdc
Switching Tests
2N5157
Load condition C (unclamped inductive load)
TC = 250C; duty cycle ⤠10%; RS = 0.1 ⦠(See Figure 4 of MIL-PRF-19500/371)
Test 1
tP = approximately 3 ms (vary to obtain IC); RBB1 = 20 â¦; VBB1 = 10 Vdc; RBB2 = 3 kâ¦;
VBB2 = 1.5 Vdc; VCC = 50 Vdc; IC = 3.5 Adc; L = 60 mH; R = 3 â¦; RL ⤠14â¦.
Test 2
tP = approximately 3 ms (vary to obtain IC); RBB1 = 100 â¦; VBB1 = 10 Vdc; RBB2 = 3 kâ¦;
VBB2 = 1.5 Vdc; IC = 0.6 Adc VCC = 50 Vdc; L = 200 mH; R = 8 â¦; RL ⤠83â¦.
Switching Tests
Load condition (clamped inductive load)
TC = +250C; duty cycle ⤠10%. (See Figure 5 of MIL-PRF-19500/371)
Test 1
tP = approximately 30 ms (vary to obtain IC); RS = 0.1 â¦; RBB1 = 20 â¦; VBB1 = 10 Vdc; RBB2 = 100 â¦;
VBB2 = 1.5 Vdc; VCC = 50 Vdc; IC = 3.5 Adc; L = 60 mH; R = 3 â¦; RL ⥠0â¦.
(A suitable clamping circuit or diode can be used.)
Clamp Voltage = 400 +0, -5 Vdc
2N3902
Clamp Voltage = 500 +0, -5 Vdc
2N5157
(Clamped voltage must be reached)
3.) Pulse Test: Pulse Width = 300µs, Duty Cycle ⤠2.0%.
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
Unit
Vdc
pF
µs
µs
120101
Page 2 of 2
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