BC850BW datasheet(4/8 Pages) SIEMENS

Part #	BC850BW

Description	NPN Silicon AF Transistor (For AF input stages and driver applications High current gain Low collector-emitter saturation voltage)

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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4 / 8 page

BC 846W ... BC 850W

Semiconductor Group

4

Characteristics at TA = 25 ˚C, unless otherwise specified.

Curves see BC 846 ... BC 840

MHz

Transition frequency

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

fT

–

250

–

µV

Equivalent noise voltage

IC = 0.2 mA, VCE = 5 V, RS = 2 k

Ω

f = 10 Hz ... 50 Hz

BC 850 W

Vn

–

0.135

Unit

Ratings

Description

Symbol

min.

typ.

max.

AC Characteristics

pF

Output capacitance

VCB = 10 V, f = 1 MHz

Cobo

–2–

k

Ω

Short-circuit input impedance

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

BC 846 AW ... BC 849 AW

BC 846 BW ... BC 850 BW

BC 847 CW ... BC 850 CW

h11e

–

2.7

4.5

8.7

–

pF

Input capacitance

VEB = 0.5 V, f = 1 MHz

Cibo

–10

–

10–4

Open-circuit reverse voltage transfer ratio

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

BC 846 AW ... BC 849 AW

BC 846 BW ... BC 850 BW

BC 847 CW ... BC 850 CW

h12e

–

1.5

2.0

3.0

–

-

Short-circuit forward current transfer ratio

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

BC 846 AW ... BC 849 AW

BC 846 BW ... BC 850 BW

BC 847 CW ... BC 850 CW

h21e

–

200

330

600

–

µS

Open-circuit output admittance

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

BC 846 AW ... BC 849 AW

BC 846 BW ... BC 850 BW

BC 847 CW ... BC 850 CW

h22e

–

18

30

60

–

dB

Noise figure

IC = 0.2 mA, VCE = 5 V, RS = 2 k

Ω

BC 849 W

f = 30 Hz ... 15 kHz

BC 850 W

f = 1 kHz,

∆f = 200 Hz

BC 849 W

BC 850 W

F

–

1.4

1.2

1.0

4

3

4

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BC850BW Datasheet(PDF) 4 Page - Siemens Semiconductor Group

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