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Bipolar Transistors
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Small Signal Triode
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Dualtransistor
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Dualtransistor
Part Number
Polarity
Download
Circuit
Status
VCEO
(V)
PCM
(mW)
IC
(mA)
VCBO
(V)
VEBO
(V)
hFE@VCE
(V)
hFE MIN
hFE MAX
hFE@IC
(mA)
VCEsat
(V)
VCE@IC
(mA)
VCE@IB
(mA)
Package
ALL
2SA1873
2SC4944
BC807U
BC846S
BC847BV
BC847BVN
BC847PN
BC847S
BC848S
BC856S
BC857BV
BC857S
CJ2045
DMMT5551S
EMT1
EMT18
EMX1
EMX18
EMY1
EMZ1
EMZ8
F-MMDT3906
MMDT2222A
MMDT2227
MMDT2907A
MMDT3904
MMDT3904V
MMDT3906
MMDT3906V
MMDT3946
MMDT4401
MMDT4403
MMDT4413
MMDT5401
MMDT5451
MMDT5551
MMDT9014
NST3946
UMT1N
UMT2N
UMX18N
UMX1N
UMX2N
UMX3N
UMY1N
UMZ1N
UMZ2N
ALL
NPN
NPN|PNP
PNP
PNP|NPN
ALL
Active
ALL
-150
-60
-50
-45
-40
-12
-12|50
-50|50
-65
12
30
50
160
160|-150
30|-30
40
40|-40
40|-60
45
45|-45
50|-50
65
ALL
150
150|150
200
200|200
300
350|350
ALL
-500
-200
-150
-100
-150|150
-600
100
100|-100
150
1500|-1500
150|-150
200
200|-200
500
600
600|-600
ALL
-160
-80
-60
-50
-40
-15
-15|60
-60|60
15
30
50
180
180|-160
40|-40
50|-50
60
60|-40
60|-60
75
75|-60
80
ALL
-6
-5
-6|7
5
5|-5
6
6|-5
6|-6
7
7|-6
7|-7
ALL
-10
-6
-2
-1
-2|6
-5
-6|6
1
10|-10
1|-1
1|-2
2
2|-2
5
5|-5
6
10
6|-6
ALL
60
100
100|100
110
120
120|120
125
160
180|180
200
200|200
200|220
220
270
270|120
300
420
ALL
300
300|300
400
450
450|450
450|475
475
500|500
560
560|560
630
680
680|560
800
ALL
-100
-10
-1|1
-2
-1
-10|1
-150
1
100|-100
10|-10
1|-1
2
10
150
150|-150
2|-2
ALL
-0.4
-0.3
-0.25
-0.2
-0.25|0.4
-0.5
-0.5|0.4
-1.6
-0.75
-0.7
0.15
0.2
0.25
0.2|-0.5
0.3
0.375|-0.375
0.3|-0.4
0.4
0.4|-0.3
0.4|-0.5
0.6|-0.6
0.6|-0.65
0.7
0.75
0.75|-0.75
1
1|-1.6
ALL
-500
-200
-100
-50
-10
-200|50
-50|50
10
50
100
100|-100
200
500
500|-500
50|-50
750|-750
ALL
-50
-10
-5
-0.5
-10|5
-5|5
0.5
1
15|-15
5
10
50
50|-50
5|-5
ALL
SOT-23-6L
SOT-353
SOT-363
SOT-553
SOT-563
EMZ1
NPN
PNP
Active
50
-50
150
150
150
-150
60
-60
7
-6
6
-6
120
120
560
560
1
-1
0.4
-0.5
50
-50
5
-5
SOT-563
MMDT3906V
PNP
Active
-40
150
-200
-40
-5
-1
60
300
-10
-0.4
-50
-5
SOT-563
2SA1873
PNP
Active
-50
200
-150
-50
-5
-6
120
400
-2
-0.3
-100
-10
SOT-353
2SC4944
NPN
Active
50
200
150
60
5
6
120
400
2
0.25
100
10
SOT-353
BC846S
NPN
Active
65
200
100
80
6
5
200
450
2
0.3
100
5
SOT-363
BC847BV
NPN
Active
45
150
100
50
6
5
200
450
2
0.3
100
5
SOT-563
BC847PN
NPN
PNP
Active
45
-45
200
200
100
-100
50
-50
6
-5
5
-5
200
220
450
475
2
-2
0.6
-0.65
100
-100
5
-5
SOT-363
BC847S
NPN
Active
45
200
100
50
6
5
110
630
2
0.25
10
0.5
SOT-363
BC856S
PNP
Active
-65
200
-100
-80
-5
-5
110
-2
-0.3
-100
-5
SOT-363
BC857BV
PNP
Active
-45
150
-100
-50
-6
-5
220
475
-2
-0.4
-100
-5
SOT-563
BC857S
PNP
Active
-45
200
-100
-50
-5
-5
125
630
-2
-0.3
-10
-0.5
SOT-363
CJ2045
NPN
PNP
Active
30
-30
350
350
1500
-1500
40
-40
7
-7
2
-2
180
180
500
500
100
-100
0.375
-0.375
750
-750
15
-15
SOT-23-6L
EMT1
PNP
Active
-50
150
-150
-60
-6
-6
120
560
-1
-0.5
-50
-5
SOT-563
EMT18
PNP
Active
-12
150
-500
-15
-6
-2
270
680
-10
-0.25
-200
-10
SOT-563
EMX1
NPN
Active
50
150
150
60
7
6
120
560
1
0.4
50
5
SOT-563
EMX18
NPN
Active
12
150
500
15
6
2
270
680
10
0.25
200
10
SOT-563
EMY1
PNP
NPN
Active
-50
50
150
150
-150
150
-60
60
-6
7
-6
6
120
120
560
560
-1
1
-0.5
0.4
-50
50
-5
5
SOT-553
EMZ8
PNP
NPN
Active
-12
50
150
150
-150
150
-15
60
-6
7
-2
6
270
120
680
560
-10
1
-0.25
0.4
-200
50
-10
5
SOT-563
MMDT2222A
NPN
Active
40
200
600
75
6
10
100
300
150
1
500
50
SOT-363
MMDT2227
NPN
PNP
Active
40
-60
200
200
600
-600
75
-60
6
-5
10
-10
100
100
300
300
150
-150
1
-1.6
500
-500
50
-50
SOT-363
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