Datasheet > BC857B

BC857B

更新时间： 2024-02-12 04:48:56

品牌	Logo	应用领域
固锝 - GOOD-ARK		/
页数	文件大小	规格书
3页	638K
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中文翻译

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数据手册

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BC857B 数据手册

BC857x Series

PNP Small Signal Transistor

Features



Ideally Suited for Automatic Insertion

Complementary NPN Types Available (BC847x series)

RoHS Compliant

Applications

Package:SOT-23



For Switching and RF Amplifier Applications

Schematic Diagram

Classifications

h_FEClassification

h_FERange

BC857A

BC857B

BC857C

420-800

125-250

220-475

Absolute Maximum Ratings (T_A= 25 °C unless otherwise noted)

Parameter

Symbol

V_CBO

V_CEO

V_EBO

I_cm

Rating

UNIT

Collector-Base Voltage

Collector-Emitter Voltage

Emitter-Base Voltage

-50

-45

-5.0

Peak Collector Current

Collector Current-Continuous

Collector Power Dissipation

Operating Temperature

Storage Temperature Range

-300

°C

I_C

-100

P_C

350

T_J

-55 to +150

T_STG

°C

Electrical Characteristics (T_A= 25 °C unless otherwise noted)

Parameter

Symbol

Test Condition.

Min.

Typ.

Max.

Unit

Collector cut-off Current

DC Current Gain

I_CBO

V_CB=-30V

V_CE=-5.0V

I_C=-10mA

I_C=-100mA

I_C=1-0mA

I_C=100mA

V_CE=-5.0V

I_E=0

-0.015

800

-0.3

-0.65

h_FE

I_C=-2.0mA

I_B=-0.5mA

I_B=-5.0mA

I_B=-0.5mA

I_B=-5.0mA

I_C=-2.0mA

I_C=-10mA

125

V_CE(sat)1

V_CE(sat)2

V_BE(sat)1

V_BE(sat)2

V_BE(1)

V_BE(2)

f_T

-0.09

-0.25

-0.7

-0.9

-0.65

Collector-Emitter Saturation Voltage

Base-Emitter Saturation Voltage

Base-Emitter Voltage

-0.6

-0.75

-0.82

Transition Frequency

V_CE=-5.0V I_E=10mA f=100MHz

V_CB=10V I_E=0 f=1.0MHz

150

MHz

4.5

Collector Output Capacitance

C_ob

V_CE=-6.0V I_C=0.2mA

R_g=2K

Noise Figure

2.0

f=1.0KHz

Thermal Characteristics

Parameter

Unit

°C/W

Symbol

R_θJA

Value

410

Typical Thermal Resistance from Junction to Ambient

1/3

12 3

中文翻译

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