PRF949 查看數據表（PDF） - Philips Electronics

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PRF949

UHF wideband transistor

Philips Electronics 

Philips Semiconductors

UHF wideband transistor

Preliminary specification

PRF949

FEATURES

• Small size

• Low noise

• Low distortion

• High gain

• Gold metallization ensures excellent reliability.

PINNING SOT416 (SC75)

PIN

1

base

2

emitter

3

collector

DESCRIPTION

APPLICATIONS

• Communication and instrumentation systems.

DESCRIPTION

Silicon NPN transistor in a surface mount 3-pin SOT416

(SC75) package. The transistor is primarily intended for

wideband applications in the GHz-range in the RF front

end of analog and digital cellular telephones, cordless

phones, radar detectors, pagers and satellite TV-tuners.

handbook, halfpage

3

1

2

MAM337

Marking code: V0

Fig.1 Simplified outline (SOT416).

QUICK REFERENCE DATA

SYMBOL

PARAMETER

Cre

feedback capacitance

fT

transition frequency

GUM

maximum unilateral power gain

NF

noise figure

Ptot

Rth j-s

total power dissipation

thermal resistance from junction

to soldering point

CONDITIONS

IC = 0; VCB = 6 V; f = 1 MHz

IC = 15 mA; VCE = 6 V; fm = 1 GHz

IC = 15 mA; VCE = 6 V;

Tamb = 25 °C; f = 1 GHz

ΓS = Γopt; IC = 5 mA; VCE = 6 V;

f = 1 GHz

Ts = 90 °C; note 1

Ptot = 180 mW

MIN.

−

7

−

−

−

−

TYP.

0.3

9

16

1.5

−

−

MAX. UNIT

tbf

pF

−

GHz

−

dB

2.5 dB

180 mW

335 K/W

Note

1. Ts is the temperature at the soldering point of the collector pin.

1999 Oct 29

2

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