SILICON TRANSISTOR

2SC4568

NPN SILICON EPITAXIAL TRANSISTOR

UHF TV TUNER OSC/MIXER

DATA SHEET

Document No. PU10035EJ01V0DS (1st edition)

(Previous No. P10373EJ2V1DS00)

Date Published October 2001 CP(K)

Printed in Japan

The mark

shows major revised points.

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 NEC Corporation 1989

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 NEC Compound Semiconductor Devices 2001

The information in this document is subject to change without notice. Before using this document, please confirm that

this is the latest version.

Not all devices/types available in every country. Please check with local NEC Compound Semiconductor Devices

representative for availability and additional information.

DESCRIPTION

The 2SC4568 is an NPN silicon epitaxial transistor intended for use as

UHF oscillator and UHF mixer in a tuner of TV rceiver.

FEATURES

• High gain bandwidth product

fT = 5.5 GHz TYP.

• Low output capacitance

Cob = 0.7 pF TYP.

• Surface mount package

EIAJ: SC-59

ABSOLUTE MAXIMUM RATINGS (TA = 25

°°°°C)

Maximum Voltages and Current

Collector to Base Voltage

VCBO

20

V

Collector to Emitter Voltage

VCEO

12

V

Emitter to Base Voltage

VEBO

3.0

V

Collector Current

IC

30

mA

Total Power Dissipation

PT

150

mW

Junction Temperature

Tj

125

°C

Storage Temperature

Tstg

−55 to +125

°C

ELECTRICAL CHARACTERISTICS (TA = 25

°°°°C)

CHARACTERISTIC

SYMBOL

MIN.

TYP.

MAX.

UNIT

TEST CONDITIONS

Collector Cutoff Current

ICBO

0.1

µAVCB = 15 V, IE = 0

Emitter Cutoff Current

IEBO

0.1

µAVEB = 1 V, IC = 0

Collector Saturation Voltage

VCE(sat)

0.5

V

hFE = 10, IC = 5 mA

DC Current Gain

hFE

40

100

200

VCE = 5 V, IC = 5 mA *1

Gain Bandwidth Product

fT

5.5

GHz

VCE = 5 V, IC = 5 mA, f = 1.0 GHz

Output Capacitance

Cob

0.7

0.9

pF

VCB = 5 V, IE = 0, f = 1.0 MHz

Insertion Gain

S21e

2

5.0

dB

VCE = 5 V, IC = 5 mA, f = 1.0 MHz

*1 Pulsed: PW = 35

µS, Duty Cycle ≤ 2 %

hFE Classification

Class

T72/EB *

T73/FB *

T74/GB *

Marking

T72

T73

T74

hFE

40 to 80

60 to 120

100 to 200

* Old Specification / New Specification

PACKAGE DIMENSIONS

(Units: mm)

1.5

2

1

3

Marking

PIN CONNECTIONS

1.

2.

3.

Emitter

Base

Collector

2.8±0.2

0.65

+0.1

−0.15