BC857BF データシートの表示（PDF） - Infineon Technologies

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BC857BF

PNP Silicon AF Transistor

Infineon Technologies 

AC Characteristics

Transition frequency

IC = 20 mA, VCE = 5 V, f = 100 MHz

Collector-base capacitance

VCB = 10 V, f = 1 MHz

Emitter-base capacitance

VEB = 0.5 V, f = 1 MHz

Short-circuit input impedance

IC = 2 mA, VCE = 5 V, f = 1 kHz

Open-circuit reverse voltage transf. ratio

IC = 2 mA, VCE = 5 V, f = 1 kHz

Short-circuit forward current transf. ratio

IC = 2 mA, VCE = 5 V, f = 1 kHz

Open-circuit output admittance

IC = 2 mA, VCE = 5 V, f = 1 kHz

Noise figure

IC = 200 µA, VCE = 5 V, f = 1 kHz,

∆ f = 200 Hz, RS = 2 kΩ, BC859BF

IC = 200 µA, VCE = 5 V, f = 1 kHz,

∆ f = 200 Hz, RS = 2 kΩ, BC860BF

Equivalent noise voltage

IC = 200 µA, VCE = 5 V, RS = 2 kΩ,

f = 10...50 Hz , BF860BF

BC857BF...BC860BF

fT

Ccb

Ceb

h11e

h12e

h21e

h22e

F

Vn

-

250

- MHz

-

3

- pF

-

10

-

-

4.5

- kΩ

-

2

- 10-4

-

330

--

-

30

- µS

dB

-

1

4

-

1

4

-

- 0.11 µV

3

Jun-16-2004

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