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Bipolar Transistors
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Small Signal Triode
>>
Transistor
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Transistor
Part Number
Download
Circuit
Status
Polarity
PCM
(W)
IC
(A)
VCBO
(V)
VCEO
(V)
VEBO
(V)
hFE
Min
hFE
Max
hFE@VCE
(V)
hFE@IC
(A)
VCE(sat)
(V)
VCE(sat)@IC
(A)
VCE(sat)@IB
(A)
Package
Reset
Reset All
Active
OK
Reset
NPN
PNP
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
OK
Reset
SOT-223
SOT-23
SOT-23-3L
SOT-23-6L
SOT-323
SOT-363
SOT-523
SOT-723
SOT-89-3L
TO-252-2L
TO-92
TO-92L
TO-92M
TO-92S
WBFBP-03E
OK
Reset
BC547
Active
NPN
0.625
0.1
50
45
6
110
800
5
0.002
0.3
0.1
0.005
TO-92
BC548
Active
NPN
0.625
0.1
30
30
5
110
800
5
0.002
0.3
0.1
0.005
TO-92
BC556
Active
PNP
0.625
-0.1
-80
-65
-5
120
800
-5
-0.002
-0.65
-0.1
-0.005
TO-92
BC557
Active
PNP
0.625
-0.1
-50
-45
-5
120
800
-5
-0.002
-0.65
-0.1
-0.005
TO-92
BC558
Active
PNP
0.625
-0.1
-30
-30
-5
120
800
-5
-0.002
-0.65
-0.1
-0.005
TO-92
BC635
Active
NPN
0.83
1
45
45
5
40
250
2
0.15
0.5
0.5
0.05
TO-92
BC636
Active
PNP
0.83
-1
-45
-45
-5
63
250
-2
-0.15
-0.5
-0.5
-0.05
TO-92
BC637
Active
NPN
0.83
1
60
60
5
63
250
2
0.15
0.5
0.5
0.05
TO-92
BC638
Active
PNP
0.83
-1
-60
-60
-5
63
250
-2
-0.15
-0.5
-0.5
-0.05
TO-92
BC639
Active
NPN
0.83
1
100
80
5
63
250
2
0.15
0.5
0.5
0.05
TO-92
BC640
Active
PNP
0.83
-1
-100
-80
-5
63
250
-2
-0.15
-0.5
-0.5
-0.05
TO-92
BF420
Active
NPN
0.83
0.1
300
300
5
50
20
0.025
0.6
0.03
0.005
TO-92
BF421
Active
PNP
0.83
-0.1
-300
-300
-5
50
-20
-0.025
-0.6
-0.02
-0.002
TO-92
BF422
Active
NPN
0.83
0.1
250
250
5
50
20
0.025
0.6
0.03
0.005
TO-92
BF423
Active
PNP
0.83
-0.1
-250
-250
-5
50
-20
-0.025
-0.6
-0.03
-0.005
TO-92
BF483
Active
NPN
0.83
0.1
300
250
5
20
20
0.04
0.6
0.03
0.005
TO-92
BF487
Active
NPN
0.83
0.1
400
350
5
20
20
0.04
0.6
0.03
0.005
TO-92
C1815
Active
NPN
0.4
0.15
60
50
5
70
700
6
0.002
0.25
0.1
0.01
TO-92
C945
Active
NPN
0.4
0.15
60
50
5
70
700
6
0.001
0.3
0.1
0.01
TO-92
D882S
Active
NPN
0.625
3
40
30
6
60
400
2
1
0.5
2
0.2
TO-92
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