Ratings Symbol 2N3902 2N5157 Units
Collector - Emitter Voltage VCEO 400 500 Vdc
Emitter - Base Voltage VEBO 5.0 6.0 Vdc
Collector - Base Voltage VCBO 7.0 Vdc
Base Current IB2.0 Adc
Collector Current IC3.5 Adc
Total Power Dissipation @ TA= +25 °C (1) PT5.0 W
@ TA= +25 °C (2) 100 W
Operating & Storage Temperature Range Tj, Tstg -65 to +200 °C
Revision Date: 8/5/2012
1
NPN High Power Silicon Transistors
2N3902 & 2N5157
Maximum Ratings
Features
• Available in JAN, JANTX, and JANTXV
per MIL-PRF-19500/371
• TO-3 (TO-204AA) Package
Electrical Characteristics
OFF Characteristics Symbol Mimimum Maximum Units
Collector - Emitter Cutoff Current
VCE = 325 Vdc 2N3902 ICEO - - - 250 μAdc
VCE = 400 Vdc 2N5157 250
Collector - Emitter Cutoff Current
VBE = 1.5 Vdc, VCE = 700 Vdc ICEX - - - 500 μAdc
Collector - Emitter Cutoff Current
VEB = 5.0 Vdc 2N3902 IEBO - - - 200 μAdc
VEB = 6.0 Vdc 2N5157 200
OFF Characteristics
Base - Emitter Saturation Voltage
IC= 1.0 Adc, IB= 0.1 Vdc VBE(sat) - - - 1.5 Vdc
IC= 3.5 Adc, IB= 0.7 Vdc 2.0
Collector - Emitter Saturation Voltage
IC= 1.0 Adc, IB = 0.1 Adc VCE(sat) - - - 0.8 Vdc
IC= 3.5 Adc, IB= 0.7 Adc - - - 2.5
Thermal Characteristics
Characteristics Symbol Maximum Units
Thermal Resistance, Junction-to-Case RθJC 1.25 °C/W
1) Derate linearly @ 28.57 mW/°C for TA > +25°C
2) Derate linearly @ 0.8 mW/°C for TC > +75°C
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Revision Date: 8/5/2012
2
Electrical Characteristics -con’t
ON Characteristics (2) (con’t) Symbol Minimum Maximum Unit
Forward Current Transfer Ratio
IC= 0.5 Adc, VCE = 5.0 Vdc 25
IC= 1.0 Adc, VCE = 5.0 Vdc HFE 30 90
IC= 2.5 Adc, VCE = 5.0 Vdc 10
IC= 3.5 Adc, VCE = 5.0 Vdc 5
Collector - Emitter Sustaining Voltage
IC= 100 mAdc 2N3902 VCE(sat) - - - 1.0 Vdc
2N5157 - - - 2.5
DYNAMIC Characteristic
Small-Signal Short-Circuit Forward Current Transfer Ratio
IC = 0.2 Adc, VCE= 10 Vdc, f = 1 MHz | hfe | 2.5 25
Output Capacitance
VCB = 10 Vdc, IE= 0, 100 kHz ≤f ≤1.0 MHz Cobo - - - 500 pF
Switching Characteristic
Turn-On Time
VCC =125 Vdc, IC= 1.0 Adc, IB1 = 0.1 Adc ton - - - 0.8 μs
Tum-Off Time
VCC =125 Vdc, IC= 1.0 Adc, IB1 = 0.1 Adc, - IB2 = 0.50 Adc toff - - - 1.7 μs
SAFE OPERATING AREA
DC Tests: TC= +25 °C, 1 Cycle, 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 2N5157
Switching Test:
Load condition C (unclamped inductive load)
TC= 25°C, duty cycle < 10%; RS= 0.1 Ω(See Figure 4 of MIL-PRF-19500/371)
Test 1: tP = approximately 3 ms (vary to obtain IC), RBB1 = 20 Ω, VBB1 = 10 Vdc; RBB2 = 3 kΩ,
VBB2 = 1.5 Vdc, VCC = 50 Vdc, lC= 3.5 Adc, L = 60 mH, R = 3 Ω; RL<14 Ω
Test 2: tP = approximately 3 ms (vary to obtain IC), RBB1 = 100 Ω, VBB1 = 10 Vdc; RBB2 = 3 kΩ,
VBB2 = 1.5 Vdc, lC= 0.6 Adc, VCC = 50 Vdc, L = 200 mH, R = 8 Ω; RL<83 Ω
Switching Tests:
Load condition (clamped inductive load)
TC= 25°C, duty cycle < 10% (See Figure 5 of MIL-PRF-19500/371)
Test 1: tP = approximately 30 ms (vary to obtain IC), RS= 0.1 Ω, RBB1 = 20 Ω, VBB1 = 10 Vdc;
RBB2 = 100 Ω, VBB2 = 1.5 Vdc, VCC = 50 Vdc, lC= 3.5 Adc, L = 60 mH, R = 3 Ω; RL<0 Ω
(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)
(2) Pulse Test: Pulse Width = 300 μs, Duty Cycle ≤2.0%.
2N3902 & 2N5157
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Revision Date: 8/5/2012
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2N3902 & 2N5157
Outline Drawing
