August 1986

4

Philips Semiconductors

Product specification

UHF linear power transistor

BLW32

Example

Fig.4 shows:

max.

15,6 K/W

max.

130

°C

Typical device:

typ.

13,5 K/W

typ.

120

°C

Fig.4

Maximum thermal resistance from junction to heatsink as a function of power dissipation, with heatsink

handbook, full pagewidth

15

20

Rth j-h

(K/W)

10

0

Ptot (W)

MGP431

15

10

5

Th = 125 °C

50

°C

25

°C

0

°C

Tj = 200 °C

100

°C

175

°C

125

°C

75

°C

150

°C

100

°C

75

°C