Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SOT-23 Formed SMD Package
BC856 BC857
BC858
SILICON PLANAR EPITAXIAL TRANSISTORS
P–N–P transistors
Marking
BC856 = 3D
BC856A = 3A
BC856B = 3B
BC857 = 3H
BC857A = 3E
BC857B = 3F
BC857C = 3G
BC858 = 3M
BC858A = 3J
BC858B = 3K
BC858C = 3L
Pin configuration
1 = BASE
2 = EMITTER
3 = COLLECTOR
3
PACKAGE OUTLINE DETAILS
ALL DIMENSIONS IN m
m
1
2
ABSOLUTE MAXIMUM RATINGS
Collector–emitter voltage (+V
BE
= 1 V)
Collector–emitter voltage (open base)
Collector current (peak value)
Total power dissipation
up to T
amb
= 60 °C
Junction temperature
Small–signal current gain
–I
C
= 2 mA; –V
CE
= 5 V; f = 1 kHz
Transition frequency at f = 100 MHz
–I
C
= 10 mA; –V
CE
= 5 V
Noise figure at R
S
= 2 kW
–I
C
= 200
mA;
–V
CE
= 5 V
f = 1 kHz; B = 200 Hz
BC856 BC857 BC858
–V
CEX
max. 80
50
30 V
45
30 V
–V
CE0
max. 65
200
mA
–I
CM
max.
P
tot
T
j
h
fe
f
T
>
max.
max.
250
150
75 to 900
100
MHz
mW
°C
F
<
10
dB
Continental Device India Limited
Data Sheet
Page 1 of 3
BC856 BC857
BC858
RATINGS
(at T
A
= 25°C unless otherwise specified)
Limiting values
BC856 BC857 BC858
Collector–base voltage (open emitter)
Collector–emitter voltage (+V
BE
= 1 V)
Collector–emitter voltage (open base)
Emitter–base voltage (open collector)
Collector current (d.c.)
Collector current (peak value)
Emitter current (peak value)
Base current (peak value)
Total power dissipation
up to T
amb:
60 °C
Storage temperature
Junction temperature
THERMAL CHARACTERISTICS
T
j
= P
x
(R
th j–t
+ R
th t–s
+ R
th s–a
)
+
T
amb
Thermal resistance
From junction to tab
From tab to soldering points
From soldering points to ambient
CHARACTERISTICS
T
j
= 25 °C unless otherwise specified
Collector cut–off current
T
j
= 25°C
I
E
= 0; –V
CB
= 30V;
T
j
= 150° C
Base–emitter voltage
–I
C
= 2 mA; –V
CE
= 5 V
–I
C
= 10 mA; –V
CE
= 5 V
Saturation voltages
–I
C
= 10 mA; –I
B
= 0,5 mA
–V
CBO
–V
CEX
–V
CEO
–V
EBO
–I
C
–I
CM
I
EM
–I
BM
P
tot
T
stg
T
j
max.
max.
max.
max.
max.
max.
max.
max.
max.
max.
80
80
65
5
50
50
45
5
100
200
200
200
30
30
30
5
V
V
V
V
mA
mA
mA
mA
mW
°C
°C
250
–55 to +150
150
R
th j–t
R
th t–s
R
th s–a
=
=
=
60
280
90
KW
/
KW
/
KW
/
–I
CBO
–I
CBO
–V
BE
–V
BE
–V
CEsat
–V
BEsat
typ.
<
<
typ.
<
typ.
<
typ.
typ.
<
typ.
1
15
4
650
600 to 750
820
75
300
700
250
650
850
nA
nA
mA
mV
mV
mV
mV
mV
mV
mV
mV
mV
–I
C
= 100 mA; –I
B
= 5 mA
–V
CEsat
–V
BEsat
Knee voltage
–I
C
= 10 mA; –I
B
= value for which
–I
C
= 11 mA at –V
CE
= 1 V
–V
CEK
typ.
<
250
600
mV
mV
Continental Device India Limited
Data Sheet
Page 2 of 3
BC856 BC857
BC858
Collector capacitance at f = 1 MHz
I
E
= I
e
= 0; –V
CB
= 10 V
Transition frequency at f
=
100 MHz
–I
C
= 10 mA; –V
CE
= 5 V
Small–signal current gain at f = 1 kHz
–I
C
= 2 mA; –V
CE
= 5 V
Noise figure at R
S
= 2 kW
–I
C
= 200
mA;
–V
CE
= 5 V
f = 1 kHz; B = 200 Hz
D.C. current gain
–I
C
= 2 mA; –V
CE
= 5 V BC856
BC858/857
BC856A/857A/858A
BC856B/857B/858B
BC857C/858C
C
c
f
T
h
fe
typ.
>
4,5 pF
100
MHz
125 to 800
F
typ.
<
220
125
125
220
420
to
to
to
to
to
2 dB
10 dB
475
800
250
475
800
h
FE
h
FE
h
FE
h
FE
h
FE
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited
for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as
to confirm that the Device(s) meet functionality parameters for your application. The information furnished on the CDIL Web Site/
CD is believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete
information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product;
neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life
saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor
Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own
risk and CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290
e-mail sales@cdil.com
www.cdil.com
Continental Device India Limited
Data Sheet
Page 3 of 3
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