BC847C datasheet(4/8 Pages) SIEMENS

4 / 8 page

BC 846 ... BC 850

Semiconductor Group

Electrical Characteristics

Unit

Values

Parameter

Symbol

min.

typ.

max.

MHz

Transition frequency

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

–

250

–

AC characteristics

Output capacitance

VCB = 10 V, f = 1 MHz

Cobo

–3–

Input capacitance

VCB = 0.5 V, f = 1 MHz

Cibo

–8–

Ω

Short-circuit input impedance

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

BC 846 A … BC 848 A

BC 846 B … BC 850 B

BC 847 C … BC 850 C

h11e

–

2.7

4.5

8.7

–

Noise figure

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

Ω

f = 30 Hz … 15 kHz

BC 849

BC 850

f = 1 kHz,

∆ f = 200 Hz

BC 849

BC 850

–

1.4

1.2

1.0

10–4

Open-circuit reverse voltage transfer ratio

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

BC 846 A … BC 848 A

BC 846 B … BC 850 B

BC 847 C … BC 850 C

h12e

–

1.5

2.0

3.0

–

Short-circuit forward current transfer ratio

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

BC 846 A … BC 848 A

BC 846 B … BC 850 B

BC 847 C … BC 850 C

h21e

–

200

330

600

–

µS

Open-circuit output admittance

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

BC 846 A … BC 848 A

BC 846 B … BC 850 B

BC 847 C … BC 850 C

h22e

–

µV

Equivalent noise voltage

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

Ω

f = 10 Hz … 50 Hz

BC 850

–

0.135

at TA = 25 ˚C, unless otherwise specified.

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