MICROSEMI 2N708

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