2SC3545 datasheet(1/8 Pages) CEL

部件名	2SC3545

功能描述	NPN SILICON OSCILLATOR AND MIXER TRANSISTOR

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制造商	CEL [California Eastern Labs]

网页	http://www.cel.com

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NPN SILICON

OSCILLATOR AND MIXER TRANSISTOR

NE944

SERIES

FEATURES

• LOW COST

• HIGH GAIN BANDWIDTH PRODUCT:

fT = 2000 MHz TYP

• LOW COLLECTOR TO BASE TIME CONSTANT:

CC•r b'b = 5 ps TYP

• LOW FEEDBACK CAPACITANCE: CRE= 0.55 pF TYP

The NE944 series of NPN silicon epitaxial bipolar transistors

is intended for use in general purpose UHF oscillator and

mixer applications. It is suitable for automotive keyless entry

and TV tuner designs.

The device features stable oscillation and small frequency

drift during changes in the supply voltage and over the

ambient temperature range.

DESCRIPTION

PART NUMBER

NE94430

NE94433

EIAJ1 REGISTERED NUMBER

2SC4184

2SC3545

PACKAGE CODE

30

33

SYMBOLS

PARAMETERS AND CONDITIONS

UNITS MIN

TYP MAX

MIN

TYP MAX

ICBO

Collector Cutoff Current, VCB = 12 V, IE = 0

µA

0.1

hFE

DC Current Gain, VCE = 10 V, IC = 5.0 mA

40

100

200

50

100

250

VCE(sat)

Collector Saturation Voltage, IC = 10 mA, IB = 1.0 mA

V

0.5

fT

Gain Bandwidth Product, VCE = 3 V, IE = 5 mA

GHz

1.2

2.0

1.3

2.0

COB

Output Capacitance, VCB = 3 V, IE = 0 mA, f = 1.0 MHz

pF

0.7

1.2

CC•rb'b

Collector to Base Time Constant, VCE = 3 V,

IE = -5.0 mA, f = 31.9 MHz

ps

3.5

8.0

5.0

CRE

Feedback Capacitance, VCB = 10 V, IE = 0 mA, f = 1.0 MHz

pF

0.55

1.0

RTH (J-C)

Thermal Resistance, Junction to Case (infinite heat sink)

°C/W

200

RTH (J-A)

Thermal Resistance, Junction to Ambient (free air)

°C/W

833

620

PT

Power Dissipation

mW

150

ELECTRICAL CHARACTERISTICS (TA = 25°C)

Note:

1. Electronic Industrial Association of Japan.

California Eastern Laboratories

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