BC856…BC858
PNP Silicon General Purpose Transistors
for switching and amplifier applications
SOT-23 Plastic Package
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Collector Base Voltage
Collector Emitter Voltage
Emitter Base Voltage
Collector Current
Peak Collector Current
Total Device Dissipation
Thermal Resistance, Junction to Ambient
Junction and Storage Temperature
Symbol
-V
CBO
-V
CEO
-V
EBO
-I
C
-I
CM
P
tot
R
θJA
T
J
, T
s
BC856
80
65
BC857
50
45
5
100
200
200
417
- 55 to + 150
BC858
30
30
Unit
V
V
V
mA
mA
mW
O
C/W
O
C
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 21/06/2006
BC856…BC858
Characteristics at T
amb
= 25
O
C
Parameter
DC Current Gain
at -V
CE
= 5 V, -I
C
= 2 mA
BC856A, BC857A, BC858A
BC856B, BC857B, BC858B
BC857C, BC858C
Collector Emitter Saturation Voltage
at -I
C
= 10 mA, -I
B
= 0.5 mA
at -I
C
= 100 mA, -I
B
= 5 mA
Base Emitter On Voltage
at -I
C
= 2 mA, -V
CE
= 5 V
at -I
C
= 10 mA, -V
CE
= 5 V
Collector Cutoff Current
at -V
CB
= 30 V
at -V
CB
= 30 V, T
A
= 150
O
C
Collector Emitter Breakdown Voltage
at -I
C
= 10 µA
BC856 Series
BC857 Series
BC858 Series
BC856 Series
BC857 Series
BC858 Series
BC856 Series
BC857 Series
BC858 Series
BC856 Series
BC857 Series
BC858 Series
-V
(BR)CES
-V
(BR)CES
-V
(BR)CES
-V
(BR)CEO
-V
(BR)CEO
-V
(BR)CEO
-V
(BR)CBO
-V
(BR)CBO
-V
(BR)CBO
-V
(BR)EBO
-V
(BR)EBO
-V
(BR)EBO
f
T
C
ob
NF
80
50
30
65
45
30
80
50
30
5
5
5
100
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4.5
10
V
V
V
V
V
V
V
V
V
V
V
V
MHz
pF
dB
h
FE
h
FE
h
FE
-V
CE(sat)
-V
CE(sat)
-V
BE(on)
-V
BE(on)
-I
CBO
-I
CBO
125
220
420
-
-
0.6
-
-
-
250
475
800
0.3
0.65
0.75
0.82
15
4
-
-
-
V
V
V
V
nA
µA
Symbol
Min.
Max.
Unit
Collector Emitter Breakdown Voltage
at -I
C
= 10 mA
Collector Base Breakdown Voltage
at -I
C
= 10 µA
Emitter Base Breakdown Voltage
at -I
E
= 1 µA
Current Gain Bandwidth Product
at -V
CE
= 5 V, -I
C
= 10 mA, f = 100 MHz
Output Capacitance
at -V
CB
= 10 V, f = 1 MHz
Noise Figure
at -I
C
= 0.2 mA, -V
CE
= 5 V, R
S
= 2 KΩ,tf = 1 KHz, BW = 200 Hz
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 21/06/2006
BC856…BC858
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 21/06/2006
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