
TECHNICAL DATA SHEET
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RADIATION HARDENED
PNP SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/357
T4-LDS-0065 Rev. 1 (081247) Page 2 of 3
ELECTRICAL CHARACTERISTICS (TA = +25°C, unless otherwise noted)
Parameters / Test Conditions Symbol Min. Max. Unit
ON CHARACTERISTICS (1)
Forward-Current Transfer Ratio
IC = 0.1mAdc, VCE = 10Vdc
IC = 1.0mAdc, VCE = 10Vdc
IC = 10mAdc, VCE = 10Vdc
IC = 50mAdc, VCE = 10Vdc
IC = 150mAdc, VCE = 10Vdc
2N3634, 2N3636 25
45
50
50
30
150
IC = 0.1mAdc, VCE = 10Vdc
IC = 1.0mAdc, VCE = 10Vdc
IC = 10mAdc, VCE = 10Vdc
IC = 50mAdc, VCE = 10Vdc
IC = 150mAdc, VCE = 10Vdc
2N3635, 2N3637 hFE 55
90
100
100
60
300
Collector-Emitter Saturation Voltage
IC = 10mAdc, IB = 1.0mAdc
IC = 50mAdc, IB = 5.0mAdc
VCE(sat) 0.3
0.6 Vdc
Base-Emitter Saturation Voltage
IC = 10mAdc, IB = 1.0mAdc
IC = 50mAdc, IB = 5.0mAdc
VBE(sat)
0.65 0.8
0.9 Vdc
DYNAMIC CHARACTERISTICS
Forward Current Transfer Ratio
IC = 30mAdc, VCE = 30Vdc, f = 100MHz 2N3634, 2N3636
2N3635, 2N3637 |hfe| 1.5
2.0 8.0
8.5
Forward Current Transfer Ratio
IC = 10mAdc, VCE = 10Vdc, f = 1.0kHz 2N3634, 2N3636
2N3635, 2N3637 hfe 40
80 160
320
Small-Signal Short-Circuit Input Impedance
IC = 10mAdc, VCE = 10Vdc, f = 1.0kHz 2N3634, 2N3636
2N3635, 2N3637 hie 100
200 600
1200 Ω
Small-Signal Open-Circuit Input Impedance
IC = 10mAdc, VCE = 10Vdc, f = 1.0kHz hoe 200
μs
Output Capacitance
VCB = 20Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0MHz Cobo 10 pF
Input Capacitance
VEB = 1.0Vdc, IC = 0, 100 kHz ≤ f ≤ 1.0MHz Cibo 75 pF
Noise Figure
VCE = 10Vdc, IC = 0.5mAdc, Rg = 1.0kΩ
f = 100Hz
f = 1.0kHz
f = 10kHz
NF
5.0
3.0
3.0
dB
(1) Pulse Test: Pulse Width = 300μs, Duty Cycle ≤ 2.0%