BC849 datasheet(4/8 Pages) INFINEON

номер детали	BC849

подробное описание детали	NPN Silicon AF Transistors

PDF	8 Pages

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производитель	INFINEON [Infineon Technologies AG]

домашняя страница	http://www.infineon.com

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4 / 8 page

BC846...BC850

Nov-20-2002

Electrical Characteristics at TA = 25°C, unless otherwise specified.

Parameter

Symbol

Values

Unit

min.

typ.

max.

AC Characteristics

Transition frequency

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

250

MHz

Collector-base capacitance

VCB = 10 V, f = 1 MHz

Ccb

Emitter-base capacitance

VEB = 0.5 V, f = 1 MHz

Ceb

Short-circuit input impedance

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

hFE-gr.A

hFE-gr.B

hFE-gr.C

h11e

2.7

4.5

8.7

Open-circuit reverse voltage transf.ratio

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

hFE-gr.A

hFE-gr.B

hFE-gr.C

h12e

1.5

10-4

Short-circuit forward current transf.ratio

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

hFE-gr.A

hFE-gr.B

hFE-gr.C

h21e

200

330

600

Open-circuit output admittance

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

hFE-gr.A

hFE-gr.B

hFE-gr.C

h22e

Noise figure

IC = 200 µA, VCE = 5 V, RS = 2 k,

= 1 kHz,

f = 200 Hz

BC849

BC850

1.2

Equivalent noise voltage

IC = 200 µA, VCE = 5 V, RS = 2 k,

f = 10 ... 50 Hz

BC850

0.135 µV

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