PRF957 datasheet(3/16 Pages) PHILIPS

3 / 16 page

1999 Jul 23

Philips Semiconductors

Product speciﬁcation

UHF wideband transistor

PRF957

LIMITING VALUES

In accordance with the Absolute Maximum Rating System IEC 134.

Note

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

THERMAL CHARACTERISTICS

Note

1. 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

−

100

IC(AV)

average collector current

−

100

Ptot

total power dissipation

Ts =60 °C; note 1

−

270

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 = 270 mW; Ts =60 °C; note 1

425

K/W

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