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(1)

U

na.

20 STERN AVE.

SPRINGFIELD, NEW JERSEY 07081 U.S.A.

TELEPHONE: (973) 376-2922 (212) 227-6005 FAX: (973) 376-8960

TECHNICAL DATA

PNP SILICON SMALL SIGNAL TRANSISTOR

Qualified per MIL-PRF-19500/382 Devices

2N2944A 2N2945A 2N2946A

MAXIMUM RATINGS Ratings Collector-Emitter Voltage Emitter-Collector Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Total Power Dissipation

@ TA = +25"C Operating & Storage Junction Temperature Range

Sym Vcra V,;co VODO V|.;BO It:

P,<"

Tj. TRtg

2N2944A 10 10 15 15

2N294SA 20 20 25 25

2N2946A 35 35 40 40 100

400 -65 to +200

Unit Vdc Vdc Vdc Vdc mAdc

mW

"C 1) Derate linearly 2.30 mW/'C above TA = +25°C

ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)

TO-46*

"See appendix A for package outline

Characteristics Symbol Min. Max. Unit

OFF CHARACTERISTICS Collector-Emitter Breakdown Voltage

l(. = 10 nAdc 2N2944A

2N2945A 2N2946A Emitter-Collector Breakdown Voltage

1, = lO^Adc 2N2944A 2N2945A 2N2946A Collector-Base Cutoff Current

I(- = 10 HAdc, Va, = -15 Vdc 2N2944A lr = 1 0 ^Adc, Vc-» = -25 Vdc 2N2945A I( = 1 0 nAdc, V(-u = -40 Vdc 2N2946A

V(i)i()ri-:o

V(HR)i;cn

'cno

10 20 35 10 20 35 10 10 10

Vdc

Vdc

I^Adc pAdc pAdc

Quality Semi-Conductors

(2)

^E-mL-dondactoi

, O

ne.

20 STERN AVE.

SPRINGFIELD, NEW JERSEY 07081 U.S.A.

TELEPHONE: (973) 376-2922 (212) 227-6005 FAX: (973) 376-8960

2N2944A, 2N2945A, 2N2946A ELECTRICAL CHARACTERISTICS (coiTt)

DYNAMIC CHARACTERISTICS

(2) Pulse Test: Pulse Width = 300us, Duty Cycle < 2.0%.

Characteristics Emitter-Base Cutoff Current

V|.,, = 15 Vdc 2N2944A

V,.-B = 25 Vdc 2N2945A

VF.;u = 40 Vdc 2N2946A

Symbol

II;BO

Min. Max.

O.I 0.2 0.5

Unit

r)Adc

ON CHARACTERISTICS (2)

Forward-Current Transfer Ratio

lc = 1 .0 mAdc, Vn.: = 0.5 Vdc 2N2944A 2N2945A 2N2946A Forward-Current Transfer Ratio

I,, = 200 uAdc, V|X: = -0.5 Vdc 2N2944A 2N2945A 2N2946A Emitter-Collector Offset Voltage

In = 200 fiAdc, I, = 0 2N2944A 2N2945A 2N2946A In = 1 .0 mAdc, I, = 0 2N2944A 2N2945A 2N2946A In = 2.0 mAdc, I,.: = 0 2N2944A 2N2945A 2N2946A

hn:

h,1WV,

v,,,.,

ls

,

100 70 50 50 30 20

0.3 0.5 0.8 0.6 1.0 2.0 1.0 1.6 2.5

mVdc

Emitter-Collector On-State Resistance

ID = 100 uAdc, I,.; = 0, lc = 100 |Mdc (rms) 2N2944A f = 1 .0 kHz 2N2945 A

2N2946A In = 1.0 mAdc, I, = 0, Ic = 100 u,Adc (rms) 2N2944A f = 1.0 kHz 2N2945A 2N2946A Magnitude of Small-Signal Forward Current Transfer Ratio

l( = 1 .0 mAdc, V( ,. = 6.0Vdc, f = 1 .0 MHz 2N2944A 2N2945A 2N2946A Output Capacitance

V( „ = 6.0 Vdc, I,. = 0, 100 kHz < f < 1.0 MHz Input Capacitance

V, n = 6.0 Vdc, lc = 0, 100 kHz < f < 1.0 MHz

rec'™>

hfe

c oho

c

ibo

15 10 5.0

10 12 14 4.0 6.0 8.0 55 55 55 10 6 0

n

oF oF

Quality Semi-Conductors

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