BC846W...BC850W
1 Aug-20-2001
NPN Silicon AF Transistors
For AF input stages and driver applications
High current gain
Low collector-emitter saturation voltage
Low noise between 30 Hz and 15 kHz
Complementary types:
BC856W, BC857W, BC858W
BC859W, BC860W (PNP)
1
3
VSO05561
2
Type Marking Pin Configuration Package
BC846AW
BC846BW
BC847AW
BC847BW
BC847CW
BC848AW
BC848BW
BC848CW
BC849BW
BC849CW
BC850BW
BC850CW
1As
1Bs
1Es
1Fs
1Gs
1Js
1Ks
1Ls
2Bs
2Cs
2Fs
4Gs
1 = B
1 = B
1 = B
1 = B
1 = B
1 = B
1 = B
1 = B
1 = B
1 = B
1 = B
1 = B
2 = E
2 = E
2 = E
2 = E
2 = E
2 = E
2 = E
2 = E
2 = E
2 = E
2 = E
2 = E
3 = C
3 = C
3 = C
3 = C
3 = C
3 = C
3 = C
3 = C
3 = C
3 = C
3 = C
3 = C
SOT323
SOT323
SOT323
SOT323
SOT323
SOT323
SOT323
SOT323
SOT323
SOT323
SOT323
SOT323
BC846W...BC850W
2 Aug-20-2001
Maximum Ratings
Parameter Symbol BC846W BC847W
BC850W BC848W
BC849W
Unit
Collector-emitter voltage VCEO 65 45 30 V
Collector-base voltage VCBO 80 50 30
Collector-emitter voltage VCES 80 50 30
Emitter-base voltage VEBO 6 6 5
DC collector current IC100 mA
Peak collector current ICM 200 mA
Peak base current IBM 200
Peak emitter current 200
IEM
Total power dissipation, TS = 124 °C Ptot 250 mW
Junction temperature Tj150 °C
Storage temperature Tst
g
-65 ... 150
Thermal Resistance
Junction - soldering point1) RthJS
105 K/W
Electrical Characteristics at TA = 25°C, unless otherwise specified.
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Collector-emitter breakdown voltage
IC = 10 mA, IB = 0
BC846W
BC847/850W
BC848/849W
V(BR)CEO
65
45
30
-
-
-
-
-
-
V
Collector-base breakdown voltage
IC = 10 µA, IB = 0
BC846W
BC847/850W
BC848/849W
V(BR)CBO
80
50
30
-
-
-
-
-
-
1For calculation of RthJA please refer to Application Note Thermal Resistance
BC846W...BC850W
3 Aug-20-2001
Electrical Characteristics at TA = 25°C, unless otherwise specified.
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Collector-emitter breakdown voltage
IC = 10 µA, VBE = 0
BC846W
BC847/850W
BC848/849W
V(BR)CES
80
50
30
-
-
-
-
-
-
V
Emitter-base breakdown voltage
IE = 1 µA, IC = 0
BC846/847W
BC848-850W
V(BR)EBO
6
5
-
-
-
-
Collector cutoff current
VCB = 30 V, IE = 0 ICBO - - 15 nA
Collector cutoff current
VCB = 30 V, IE = 0 , TA = 150 °C ICBO - - 5 µA
DC current gain 1)
IC = 10 µA, VCE = 5 V
hFE-group A
hFE-group B
hFE-group C
hFE
-
-
-
140
250
480
-
-
-
-
DC current gain 1)
IC = 2 mA, VCE = 5 V
hFE-group A
hFE-group B
hFE-group C
hFE
110
200
420
180
290
520
220
450
800
Collector-emitter saturation voltage1)
IC = 10 mA, IB = 0.5 mA
IC = 100 mA, IB = 5 mA
VCEsat
-
-
90
200
250
600
mV
Base-emitter saturation voltage 1)
IC = 10 mA, IB = 0.5 mA
IC = 100 mA, IB = 5 mA
VBEsat
-
-
700
900
-
-
Base-emitter voltage 1)
IC = 2 mA, VCE = 5 V
IC = 10 mA, VCE = 5 V
VBE(ON)
580
-
660
-
700
770
1) Pulse test: t =300µs, D = 2%
BC846W...BC850W
4 Aug-20-2001
Electrical Characteristics at TA = 25 °C, unless otherwise specified.
Parameter Symbol Values Unit
min. typ. max.
AC characteristics
Transition frequency
IC = 20 mA, VCE = 5 V, f = 100 MHz fT- 250 - MHz
Collector-base capacitance
VCB = 10 V, f = 1 MHz Ccb - 2 3 pF
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz Ceb - 10 15
Short-circuit input impedance
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h11e
-
-
-
2.7
4.5
8.7
-
-
-
k
Open-circuit reverse voltage transf.ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h12e
-
-
-
1.5
2
3
-
-
-
10-4
Short-circuit forward current transf.ratio
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h21e
-
-
-
200
330
600
-
-
-
-
Open-circuit output admittance
IC = 2 mA, VCE = 5 V, f = 1 kHz
hFE-gr.A
hFE-gr.B
hFE-gr.C
h22e
-
-
-
18
30
60
-
-
-
S
Noise figure
IC = 200 µA, VCE = 5 V, RS = 2 k
,
f = 1 kHz,
f = 200 Hz
BC846W
BC847W
BC848W
F- - 10 dB
Noise figure
IC = 200 µA, VCE = 5 V, RS = 2 k
,
f = 1 kHz,
f = 200 Hz
BC849W
BC850W
F
-
-
1.2
1
4
4
Equivalent noise voltage
IC = 200 µA, VCE = 5 V, RS = 2 k
,
f = 10 ... 50 Hz
BC850W Vn- - 0.135 µV
BC846W...BC850W
5 Aug-20-2001
Collector-base capacitance CCB = f (VCBO
)
Emitter-base capacitance CEB = f (VEBO)
0
4
10 510 10
EHP00361
VCB0
CEB0
V
6
2
EB0
V
EB
C
8
10
pF
12
CB0
C
-1 0 1
CCB
(
(
)
BC 846...850
)
Total power dissipation Ptot = f (TS)
0 20 40 60 80 100 120 °C 150
TS
0
50
100
150
200
mW
300
P
tot
Permissible pulse load
Ptotmax / PtotDC = f (tp)
10
EHP00362
-6
0
10
5
D
=
5
10
1
10
2
3
10
10
-5
10
-4
10
-3
10
-2
10
0
s
0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
t
p
=
DT
t
p
T
totmax
tot
P
DC
P
p
t
Transition frequency fT = f (IC)
VCE = 5V
10 10 10 10
EHP00363
f
mA
MHz
-1 0 1 2
5
T
3
10
10
2
1
10
5
5
5
Ι
C
BC846W...BC850W
6 Aug-20-2001
Collector cutoff current ICBO = f (TA)
VCB = 30V
10 0 50 100 150
EHP00381
TA
5
10
10
nA
10
Ι
CB0
5
5
5
10
10
4
3
2
1
0
-1
max
typ
C
Collector-emitter saturation voltage
IC = f (VCEsat), hFE = 20
10 0
EHP00367
VCEsat
10
mA
10
Ι
C
10
2
1
0
-1
5
5
V
0.3 0.5
100
25
-50
0.1 0.2 0.4
C
C
C
DC current gain hFE = f (IC)
VCE = 5V
10 10 10 10
EHP00365
h
mA
-2 -1 12
FE
3
10
10
2
0
10
5
5
10
1
0
10
5
555
100
25
-50
Ι
C
C
C
C
Base-emitter saturation voltage
IC = f (VBEsat), hFE = 20
0
10
EHP00364
BEsat
V
0.6 V 1.2
-1
10
0
10
1
2
10
5
5
Ι
C
mA
0.2 0.4 0.8
C
25
C
100
C
-50
C
BC846W...BC850W
7 Aug-20-2001
h parameter he = f (VCE) normalized
IC = 2mA
00102030
EHP00369
V
CE
h
e
V
1.0
0.5
1.5
2.0
=2 mA
h
h
h
h
e
e
e
e
21
11
12
22
C
Ι
h parameter he = f (IC) normalized
VCE = 5V
10 10 10
EHP00368
mA
-1 0 1
5
e
h
2
10
-1
10
1
10
10
0
5
5
5
h11e
h12e
h21e
h22e
VCE = 5 V
Ι
C
Noise figure F = f (VCE)
IC = 0.2mA, RS = 2k
, f = 1kHz
0
10 10 10 10
BC 846...850 EHP00370
VCE
F
V
10
5
15
dB
20
-1 0 1 2
5
Noise figure F = f (f)
IC = 0.2mA, VCE = 5V, RS = 2k
10 10 10 10
BC 846...850 EHP00371
F
kHz
dB
-2 -1 1 2
20
10
0
5
15
f
0
10
BC846W...BC850W
8 Aug-20-2001
Noise figure F = f (IC)
VCE = 5V, f = 1kHz
10 10 10 10
BC 846...850 EHP00373
F
mA
-3 -2 0 1
20
10
0
5
15
-1
10
= 1 M
100 k
10 k
dB
500
1 k
ΩΩ
S
R
C
Ι
Noise figure F = f (IC)
VCE = 5V, f = 120Hz
10 10 10 10
BC 846...850 EHP00372
F
mA
-3 -2 0 1
20
10
0
5
15
-1
10
= 1 M 100 k 10 k
dB
500
1 k
ΩΩ
S
R
C
Ι
Noise figure F = f (IC)
VCE = 5V, f = 10kHz
10 10 10 10
BC 846...850 EHP00374
F
mA
-3 -2 0 1
20
10
0
5
15
-1
10
= 1 M
100 k
10 k
dB
500
1 k
S
R
C
Ι