PTB32001X Datasheet, PDF (4/12 Pages) NXP Semiconductors – NPN microwave power transistors

Philips Semiconductors
NPN microwave power transistors
10
handbook, halfpage
Ptot
(W)
5
MLC093
Product specification
PTB32001X; PTB32003X;
PTB32005X
0
−50
0
50
100
150
200
Tmb (^oC)
f > 1 MHz.
Fig.4 Power derating curve; PTB32005X.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
R_{th j-mb}
R_{th mb-h}
thermal resistance from junction to mounting base
PTB32001X
PTB32003X
PTB32005X
thermal resistance from mounting base to heatsink
T_j = 75 °C
T_j = 75 °C; note 1
Note
1. See “Mounting recommendations in the General part of handbook SC19a”.
MAX.
22
12
10.5
0.7
UNIT
K/W
K/W
K/W
K/W
1997 Feb 18
4