Small Signal NPN Transistors
TO-72 Case
69
www.centralsemi.com
Dual Transistors
TO-71 Case
PD @ TA=25
o
C=360mW Total (Both Die Equal Power)
TYPE NO.
DESCRIPTION
VCBO VCEO VEBO ICBO @ VCB
hFE
@ IC @ VCE VCE (SAT) @ IC
fT
Cob
(V)
(V)
(V)
(
A)
(V)
(mA)
(V)
(V)
(mA)
(MHz)
*Ccb
(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
VCBO VCEO VEBO ICBO @ VCB
hFE
@ IC @ VCE VCE (SAT) @ IC
MATCHING
(V)
(V)
(V)
(nA)
(V)
(mA)
(V)
(V)
(mA)
hFE
VBE
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
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