August 1986

4

Philips Semiconductors

Product specification

UHF linear power transistor

BLW98

Example

Fig.4 shows:

max. 6,05 K/W

max.

200

°C

typ.

5,35 K/W

typ.

183

°C

Fig.4

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

handbook, full pagewidth

45

6.5

4

515

35

MGP719

25

5

4.5

5.5

6

Rth j-h

(K/W)

Ptot (W)

Th = 120 °C

60

°C

40

°C

20

°C

0

°C

Tj = 200 °C

100

°C

175

°C

125

°C

75

°C

150

°C

100

°C

80

°C