TECHNICAL DATA
PNP SILICON SMALL SIGNAL TRANSISTOR
Qualified per MIL-PRF-19500/382
Devices
Qualified Level
2N2944A
2N2945A
2N2946A
JAN
JANTX
JANTV
MAXIMUM RATINGS
Ratings
Sym
2N2944A 2N2945A 2N2946A Unit
Collector-Emitter Voltage
V
CEO
10
20
35
Vdc
Emitter-Collector Voltage
V
ECO
10
20
35
Vdc
Collector-Base Voltage
V
CBO
15
25
40
Vdc
Emitter-Base Voltage
V
EBO
15
25
40
Vdc
Collector Current
I
C
100
mAdc
Total Power Dissipation
@ T
A
= +25
0
C
P
T
(1)
400
mW
Operating & Storage Junction
Temperature Range
T
J,
T
stg
-65 to +200
0
C
1)
Derate linearly 2.30 mW/
0
C above T
A
= +25
0
C
TO-46*
(TO-206AB)
*See appendix A for
package outline
ELECTRICAL CHARACTERISTICS (T
A
= 25
0
C unless otherwise noted)
Characteristics
Symbol
Min.
Max.
Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
I
C
= 10
Adc 2N2944A
2N2945A
2N2946A
V
(BR)CEO
10
20
35
Vdc
Emitter-Collector Breakdown Voltage
I
E
= 10
Adc 2N2944A
2N2945A
2N2946A
V
(BR)ECO
10
20
35
Vdc
Collector-Base Cutoff Current
I
C
= 10
Adc, V
CB
= -15 Vdc 2N2944A
I
C
= 10
Adc, V
CB
= -25 Vdc 2N2945A
I
C
= 10
Adc, V
CB
= -40 Vdc 2N2946A
I
CBO
10
10
10
Adc
Adc
Adc
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 1 of 2
2N2944A, 2N2945A, 2N2946A JAN SERIES
ELECTRICAL CHARACTERISTICS (con't)
Characteristics
Symbol
Min.
Max.
Unit
Emitter-Base Cutoff Current
V
EB
= 15 Vdc 2N2944A
V
EB
= 25 Vdc 2N2945A
V
EB
= 40 Vdc 2N2946A
I
EBO
0.1
0.2
0.5
Adc
ON CHARACTERISTICS
(2)
Forward-Current Transfer Ratio
I
C
= 1.0 mAdc, V
CE
= 0.5 Vdc 2N2944A
2N2945A
2N2946A
h
FE
100
70
50
Forward-Current Transfer Ratio
I
B
= 200
Adc, V
EC
= -0.5 Vdc 2N2944A
2N2945A
2N2946A
h
FE(INV)
50
30
20
Emitter-Collector Offset Voltage
I
B
= 200
Adc, I
E
= 0 2N2944A
2N2945A
2N2946A
I
B
= 1.0 mAdc, I
E
= 0 2N2944A
2N2945A
2N2946A
I
B
= 2.0 mAdc, I
E
= 0 2N2944A
2N2945A
2N2946A
V
EC(OFS)
0.3
0.5
0.8
0.6
1.0
2.0
1.0
1.6
2.5
mVdc
DYNAMIC CHARACTERISTICS
Emitter-Collector On-State Resistance
I
B
= 100
Adc, I
E
= 0, I
e
= 100
Adc (rms) 2N2944A
f = 1.0 kHz 2N2945A
2N2946A
I
B
= 1.0 mAdc, I
E
= 0, I
e
= 100
Adc (rms) 2N2944A
f =1.0 kHz 2N2945A
2N2946A
r
ec
(on)
10
12
14
4.0
6.0
8.0
Magnitude of Small-Signal Forward Current Transfer Ratio
I
C
= 1.0 mAdc, V
CE
= 6.0Vdc, f = 1.0 MHz 2N2944A
2N2945A
2N2946A
h
fe
15
10
5.0
55
55
55
Output Capacitance
V
CB
= 6.0 Vdc, I
E
= 0, 100 kHz
f
1.0 MHz
C
obo
10
pF
Input Capacitance
V
EB
= 6.0 Vdc, I
C
= 0, 100 kHz
f
1.0 MHz
C
ibo
6.0
pF
(2) Pulse Test: Pulse Width = 300
s, 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
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