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120101
TECHNICAL DATA
PNP SILICON SMALL SIGNAL TRANSISTOR
Qualified per MIL-PRF-19500/382
Devices Qualified Level
2N2944A 2N2945A 2N2946A
MAXIMUM RATINGS
Ratings Sym 2N2944A 2N2945A 2N2946A Unit
Collector-Emitter Voltage
Emitter-Collector Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Total Power Dissipation
@ TA = +250C
Operating & Storage Junction
Temperature Range
1) Derate linearly 2.30 mW/
V
CEO
V
ECO
V
CBO
V
EBO
IC
(1)
P
T
T
T
,
J
stg
0
C above TA = +250C
ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted)
Characteristics Symbol Min. Max. Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
IC = 10 µAdc 2N2944A
2N2945A
2N2946A
Emitter-Collector Breakdown Voltage
IE = 10 µAdc 2N2944A
2N2945A
2N2946A
Collector-Base Cutoff Current
IC = 10 µAdc, VCB = -15 Vdc 2N2944A
IC = 10 µAdc, VCB = -25 Vdc 2N2945A
IC = 10 µAdc, VCB = -40 Vdc 2N2946A
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
10 20 35 Vdc
10 20 35 Vdc
15 25 40 Vdc
15 25 40 Vdc
100 mAdc
400 mW
-65 to +200
V
(BR)
CEO
V
(BR)
ECO
I
CBO
0
C
*See appendix A for
package outline
10
20
35
10
20
35
10
10
10
JAN
JANTX
JANTV
TO-46*
(TO-206AB)
Vdc
Vdc
µAdc
µAdc
µAdc
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120101
2N2944A, 2N2945A, 2N2946A JAN SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics Symbol Min. Max. Unit
Emitter-Base Cutoff Current
VEB = 15 Vdc 2N2944A
VEB = 25 Vdc 2N2945A
VEB = 40 Vdc 2N2946A
ON CHARACTERISTICS
(2)
Forward-Current Transfer Ratio
I
= 1.0 mAdc, V
C
= 0.5 Vdc 2N2944A
CE
2N2945A
2N2946A
Forward-Current Transfer Ratio
I
= 200 µAdc, V
B
= -0.5 Vdc 2N2944A
EC
2N2945A
2N2946A
Emitter-Collector Offset Voltage
I
= 200 µAdc, I
B
= 0 2N2944A
E
2N2945A
2N2946A
I
= 1.0 mAdc, I
B
= 0 2N2944A
E
2N2945A
2N2946A
I
= 2.0 mAdc, I
B
= 0 2N2944A
E
2N2945A
2N2946A
DYNAMIC CHARACTERISTICS
Emitter-Collector On-State Resistance
I
= 100 µAdc, I
B
= 0, I
= 100 µAdc (rms) 2N2944A
E
e
f = 1.0 kHz 2N2945A
2N2946A
I
= 1.0 mAdc, I
B
= 0, I
= 100 µAdc (rms) 2N2944A
E
e
f =1.0 kHz 2N2945A
2N2946A
Magnitude of Small-Signal Forward Current Transfer Ratio
I
= 1.0 mAdc, V
C
= 6.0Vdc, f = 1.0 MHz 2N2944A
CE
2N2945A
2N2946A
Output Capacitance
VCB = 6.0 Vdc, IE = 0, 100 kHz ≤ f ≤ 1.0 MHz
Input Capacitance
VEB = 6.0 Vdc, IC = 0, 100 kHz ≤ f ≤ 1.0 MHz
(2) 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
I
hFE
h
FE(INV)
V
EC(OFS)
r
ec
C
C
EBO
h
fe
obo
ibo
(on)
0.1
0.2
ηAdc
0.5
100
70
50
50
30
20
0.3
0.5
0.8
0.6
1.0
mVdc
2.0
1.0
1.6
2.5
10
12
14
Ω
4.0
6.0
8.0
15
10
5.0
55
55
55
10 pF
6.0 pF
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