TECHNICAL DATA
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/312
Devices Qualified Level
2N708
JAN, JANTX
MAXIMUM RATINGS
Ratings Symbol Value Units
Collector-Emitter Voltage VCEO 15 Vdc
Collector-Base Voltage VCBO 40 Vdc
Emitter-Base Voltage VEBO 5.0 Vdc
Collector-Emitter Voltage VCER 20 Vdc
Total Power Dissipation @ TA = +250C (1)
@ TC = +250C (2) PT 0.36
1.2 W
W
Operating & Storage Junction Temperature Range Top, Tstg -65 to +200 0C
1) Derate linearly 2.06 mW/0C for TA > 250C
2) Derate linearly 6.90 mW/0C for TC > 250C
TO-18 (TO-206AA)*
*See appendix A for
package outline
ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted)
Characteristics Symbol Min. Max. Unit
OFF CHARACTERISTICS
Collector-Base Breakdown Voltage
IC = 1.0 µAdc V(BR)CBO 40 Vdc
Emitter-Base Breakdown Voltage
IE = 10 µAdc V(BR)EBO 5.0 Vdc
Collector-Emitter Breakdown Voltage
IC = 10 mAdc V(BR)CEO 15 Vdc
Collector-Emitter Breakdown Voltage
IC = 10 mAdc, RBE ≤ 10 Ω V(BR)CER 20 Vdc
Collector-Base Cutoff Current
VCB = 20 Vdc ICBO 25 ηAdc
Emitter-Base Cutoff Current
VEB = 4.0 Vdc IEBO 80 ηAdc
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 1 of 2
2N708 JANTX SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics Symbol Min. Max. Unit
ON CHARACTERISTICS (3)
Forward-Current Transfer Ratio
IC = 0.5 mAdc, VCE = 1.0 Vdc
IC = 10 mAdc, VCE = 1.0 Vdc hFE 15
40
120
Collector-Emitter Saturation Voltage
IC = 10 mAdc, IB = 1.0 mAdc VCE(sat) 0.40 Vdc
Base-Emitter Voltage
IC = 10 mAdc, IB = 1.0 mAdc
IC = 1.0 mAdc, IB = 0.1 mAdc VBE(sat) 0.72 0.80
0.72 Vdc
DYNAMIC CHARACTERISTICS
Small-Signal Short-Circuit Forward Current Transfer Ratio
IC = 10 mAdc, VCE = 10 Vdc, f = 100 MHZ hfe 3.0 9.0
Output Capacitance
VCB = 10 Vdc, IE = 0, f = 1.0 MHz Cobo 6.0 pƒ
Input Capacitance
VEB = 0.5 Vdc, IC = 0, f = 1.0 MHz Cibo 9.0 pƒ
SWITCHING CHARACTERISTICS
Charge Storage Time
IC = IB1 = -IB21 = 10 mAdc ts 25 ηs
Turn-On Time
VBE ≈ -2.0 Vdc; IC ≈ 10 mAdc; IB1 ≈ 3.0 mAdc ton 40 ηs
Turn-Off Time
IC ≈ 10 mAdc; IB1 ≈ 3.0 mAdc, IB2 ≈ -1.0 mAdc toff 75 ηs
(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
120101
Page 2 of 2
