Small Signal NPN Transistors
TO-72 Case
69
www.centralsemi.com
Dual Transistors
TO-71 Case
P
D
@ T
A
=25
o
C=360mW Total (Both Die Equal Power)
TYPE NO. DESCRIPTION V
CBO
V
CEO
V
EBO
I
CBO
@V
CB
h
FE
@ I
C
@ V
CE
V
CE
(SAT) @ I
C
f
T
C
ob
(V) (V) (V) (µA) (V) (mA) (V) (V) (mA) (MHz) *C
cb
(pF)
MIN MIN MIN MAX MIN MAX MAX MIN MAX
2N917 RF/IF OSCILLATOR 30 15 3.0 0.001 15 20 - - 3.0 1.0 0.5 3.0 500 1.7
2N917A RF/IF OSCILLATOR 30 15 3.0 - - - - 20 200 3.0 10 - - - - 600 1.7
2N918 RF/IF OSCILLATOR 30 15 3.0 0.01 15 20 - - 3.0 1.0 0.4 10 600 1.7
2N998 DARLINGTON 100 60 15 0.01 90 1,600 8,000 10 5.0 1.8 100 60 30
2N2857 VHF/UHF OSC 30 15 2.5 0.01 15 30 150 3.0 1.0 - - - - 1,000 1.0*
2N2865 RF/IF OSCILLATOR 25 13 3.0 0.01 15 20 200 4.0 10 0.4 10 600 2.5
2N3478 VHF/UHF LOW NOISE 30 15 2.0 0.02 1.0 25 150 2.0 8.0 - - - - 750 1.0*
2N3839 VHF/UHF AMPL/OSC 30 15 2.5 0.01 15 30 150 3.0 1.0 - - - - 1,000 1.0*
2N5179 VHF/UHF AMPL/OSC 20 12 2.5 0.02 15 25 250 3.0 1.0 0.4 10 900 1.0*
BFY90 VHF/UHF AMPL/OSC 30 15 2.5 0.01 15 20 125 25 1.0 - - - - 1,000 1.5*
Shaded areas indicate Darlington.
TYPE NO. DESCRIPTION V
CBO
V
CEO
V
EBO
I
CBO
@V
CB
h
FE
@ I
C
@ V
CE
V
CE
(SAT) @ I
C
MATCHING
(V) (V) (V) (nA) (V) (mA) (V) (V) (mA) h
FE
V
BE
MIN MIN MIN MAX MIN MAX MAX % (mV)
CEN741 NPN LOW NOISE 45 45 6.0 10 45 150 600 0.01 5.0 0.35 1.0 20 5.0
CEN832 PNP LOW NOISE 60 60 5.0 10 50 150 450 1.0 5.0 0.25 1.0 20 5.0