BC856 SERIES
BC857 SERIES
BC858 SERIES
SURFACE MOUNT
PNP SILICON TRANSISTOR
DESCRIPTION:
The CENTRAL SEMICONDUCTOR BC856, BC857
and BC858 Series types are PNP Silicon Transistors
manufactured by the epitaxial planar process, epoxy
molded in a surface mount package, designed for
general purpose switching and amplifier applications.
MARKING CODE: SEE MARKING CODE TABLE
ON FOLLOWING PAGE
Note: Reverse Lead Codes Available, Add “R” to the end of
the Part # and Marking Code.
MAXIMUM RATINGS: (TA=25°C) SYMBOL BC858 BC857 BC856 UNITS
Collector-Base Voltage VCBO 30 50 80 V
Collector-Emitter Voltage VCEO 30 45 65 V
Emitter-Base Voltage VEBO 5.0 V
Continuous Collector Current IC 100 mA
Peak Collector Current ICM 200 mA
Peak Base Current IBM 200 mA
Power Dissipation PD 350 mW
Operating and Storage Junction Temperature TJ, Tstg -65 to +150 °C
Thermal Resistance ΘJA 357 °C/W
ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)
SYMBOL TEST CONDITIONS MIN MAX UNITS
ICBO V
CB=30V 15 nA
ICBO V
CB=30V, TA=150°C 4.0 μA
IEBO V
EB=5.0V 100 nA
BVCBO IC=10μA (BC858) 30 V
BVCBO I
C=10μA (BC857) 50 V
BVCBO I
C=10μA (BC856) 80 V
BVCEO I
C=10mA (BC858) 30 V
BVCEO I
C=10mA (BC857) 45 V
BVCEO I
C=10mA (BC856) 65 V
BVEBO I
E=10μA 5.0 V
VCE(SAT) I
C=10mA, IB=0.5mA 0.30 V
VCE(SAT) I
C=100mA, IB=5.0mA 0.65 V
VBE(ON) I
C=2.0mA, VCE=5.0V 0.6 0.75 V
VBE(ON) I
C=10mA, VCE=5.0V 0.82 V
fT V
CE=5.0V, IC=10mA, f=100MHz 100 MHz
NF VCE=5.0V, IC=200μA,
R
S=2.0KΩ, f=1.0KHz, BW=200Hz 10 dB
BC856A BC856B
BC857A BC857B BC857C
BC858A BC858B BC858C
MIN MAX MIN MAX MIN MAX
hFE V
CE=5.0V, IC=2.0mA 125 250 220 475 420 800
SOT-23 CASE
R2 (20-November 2009)
www.centralsemi.com
BC856 SERIES
BC857 SERIES
BC858 SERIES
SURFACE MOUNT
PNP SILICON TRANSISTOR
SOT-23 CASE - MECHANICAL OUTLINE
LEAD CODE:
DEVICE MARKING CODE
BC856A 3A
BC856B 3B
BC857A 3E
BC857B 3F
BC857C 3G
BC858A 3J
BC858B 3K
BC858C 3L
* Reverse Lead Codes Available, Add “R” to the end of the
Part # and Marking Code.
STANDARD
1) BASE
2) EMITTER
3) COLLECTOR
*REVERSE
1) EMITTER
2) BASE
3) COLLECTOR
www.centralsemi.com
R2 (20-November 2009)