1999 Oct 29

3

Philips Semiconductors

Preliminary specification

UHF wideband transistor

PRF949

LIMITING VALUES

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

Note

1.

THERMAL CHARACTERISTICS

Note

1.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

collector-base voltage

open emitter

−

20

V

collector-emitter voltage

open base

−

10

V

emitter-base voltage

open collector

−

1.5

V

DC collector current

−

50

mA

average collector current

−

50

mA

total power dissipation

°C; note 1

−

250

mW

storage temperature

−65

+150

°C

junction temperature

−

175

°C

SYMBOL

PARAMETER

CONDITIONS

VALUE

UNIT

thermal resistance from junction

to soldering point

°C; note 1

335

K/W