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