PRF949 datasheet(3/7 Pages) PHILIPS

tên linh kiện	PRF949

Giải thích chi tiết về linh kiện	UHF wideband transistor

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1999 Oct 29

Philips Semiconductors

Preliminary specification

UHF wideband transistor

PRF949

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

Note

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

THERMAL CHARACTERISTICS

Note

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

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VCBO

collector-base voltage

open emitter

−

VCEO

collector-emitter voltage

open base

−

VEBO

emitter-base voltage

open collector

−

1.5

DC collector current

−

IC(AV)

average collector current

−

Ptot

total power dissipation

Ts =60

°C; note 1

−

250

Tstg

storage temperature

−65

+150

°C

junction temperature

−

175

°C

SYMBOL

PARAMETER

CONDITIONS

VALUE

UNIT

Rth j-s

thermal resistance from junction

to soldering point

Ptot = 180 mW; Ts =90

°C; note 1

335

K/W

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