RoHS

BC856T/BC857T/BC858T

COMPLIANTPNP TransistorFeatures● Moisture Sensitivity Level 1● Surface mount package ideally Suited for AutomaticInsertion● Halogen-free

Mechanical Data
● Package: SOT-523● Terminals: Tin plated leads, solderable per
J-STD-002 and JESD22-B102● Marking:BC856ATBC856BTBC857ATBC857BTBC857CTBC858ATBC858BTBC858CT

3A
3B
3E
3F
3G
3J
3K
3L

■Maximum Ratings (Ta=25℃ Unless otherwise specified）
SymbolParameterCollector-Base Voltage
BC856T
BC857TBC858T

VCBOCollector-Emitter Voltage

BC856T
BC857TBC858T

VCEO

Value

Unit-80-50-30

V-65-45-30

VVEBO

Emitter-Base Voltage-5VICCollector Current-100mAPCCollector Power Dissipation

150mW

RΘJA

Thermal Resistance From Junction To Ambient

833℃/W

Tj

Junction Temperature

150℃

Tstg

Storage Temperature-55～+150℃

1/5
S-S3955
Rev.1.0,08-Jul-21

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

BC856T/BC857T/BC858T■Electrical Characteristics (Ta=25℃ unless otherwise specified)Parameter

SymbolTest conditions

MinMax

Unit

Collector-base breakdown voltage
BC856TBC857T
BC858T

VCBO

IC=-10µA, IE=0-80-50-30-V

Collector-emitter breakdown voltage
BC856T
BC857TBC858T

VCEO

IC=-10mA, IB=0-65-45-30-V

Emitter-base breakdown voltage

VEBO

IE=-1µA, IC=0-5-V

Collector-base cut-off current

ICBO

VCB=-30 V ,IE=0--15nA

Emitter-base cut-off current

IEBO

VEB=-5V , IC=0--100nA

DC current gain
BC856A,857A,858A
BC856B,857B,858B
BC857C,BC858C

hFE

VCE=-5V, IC=-2mA

125
220
420

250475800

Collector-emitter saturation voltage

VCE(sat)

IC=-10mA, IB=-0.5mA

--0.3

V

Collector-emitter saturation voltage

VCE(sat)

IC=-100mA, IB=-5mA--0.65

VBase-Emitter Voltage

VBEON

VCE=-5V, IC=-2mA-0.6-0.75

VBase-Emitter Voltage

VBEON

VCE=-5V, IC=-10mA--0.82VTransition frequency

fT

VCE=-5V, IC=-10mA
f=100MHz

100-MHz■ Ordering Information (Example)
Prefered P/N

Packing
Code

Unit Weight(G)Minimum
Package(Pcs)

Inner Box
Quantity(Pcs)

Outer Carton
Quantity(Pcs)

Delivery Mode

BC856T/BC857T/BC858T

F2Approximate
0.0027

3000

30000

120000

7” reel■ Characteristics (Typical)

2/5
S-S3955
Rev.1.0,08-Jul-21

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

BC856T/BC857T/BC858T

3/5
S-S3955
Rev.1.0,08-Jul-21

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

BC856T/BC857T/BC858T■ SOT-523 Package Outline Dimensions■ SOT-523 Suggested Pad Layout

4/5
S-S3955
Rev.1.0,08-Jul-21

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com

BC856T/BC857T/BC858TDisclaimer
The information presented in this document is for reference only. Yangzhou Yangjie Electronic Technology Co., Ltd. reserves theright to make changes without notice for the specification of the products displayed herein to improve reliability, function or designor otherwise.
The product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used withequipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as
medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safetydevices), Yangjie or anyone on its behalf, assumes no responsibility or liability for any damages resulting from such improper useof sale.
This publication supersedes & replaces all information previously supplied. For additional information, please visit our website
http:// www.21yangjie.com , or consult your nearest Yangjie’s sales office for further assistance.

5/5S-S3955
Rev.1.0,08-Jul-21

Yangzhou Yangjie Electronic Technology Co., Ltd.

www.21yangjie.com