BFS20 datasheet(1/1 Pages) ZETEX

Part #	BFS20

Description	NPN SILICON PLANAR VHF TRANSISTOR

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Manufacturer	ZETEX [Zetex Semiconductors]

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

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C

B

E

SOT23

SOT23 NPN SILICON PLANAR

VHF TRANSISTOR

ISSUE 3 JANUARY 1996

7

PARTMARKING DETAIL G1

ABSOLUTE MAXIMUM RATINGS.

PARAMETER

SYMBOL

VALUE

UNIT

Collector-Base Voltage

VCBO

30

V

Collector-Emitter Voltage

VCEO

20

V

Emitter-Base Voltage

VEBO

4V

Peak Pulse Current

ICM

25

mA

Continuous Collector Current

IC

25

mA

Power Dissipation at Tamb=25°C

Ptot

330

mW

Operating and Storage Temperature Range

Tj:Tstg

-55 to +150

°C

ELECTRICAL CHARACTERISTICS (at Tamb= 25°C).

PARAMETER

SYMBOL MIN.

TYP.

MAX. UNIT

CONDITIONS.

Collector Cut-Off

Current

ICBO

100

10

nA

µ

A

VCB=20V, IE=0

VCB=20V, IE=0,

Tamb=100°C

Base-Emitter Voltage

VBE

740

900

mV

IC=7mA, VCE=10V*

Static Forward Current

Transfer Ratio

hFE

40

85

IC=7mA, VCE=10V*

Transition Frequency

fT

275

450

MHz

IC=5mA, VCE=10V

f=100MHz

Feedback Capacitance Cre

0.35

0.40

pF

IC=1mA, VCE=10V

f=1MHz

Collector Capacitance

CTC

0.8

pF

IE=Ie=0, VCB=10V

f=1MHz

* Measured under pulsed conditions. Pulse width=300µs. Duty cycle ≤ 2%

3 - 53

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