1998 Feb 09

5

Philips Semiconductors

Product specification

UHF linear push-pull power transistor

BLV57

Example

Fig.4 shows:

max.

2,68 K/W

max.

184

°C

typ.

2,28 K/W

typ.

167

°C

Fig.4

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

handbook, full pagewidth

100

80

3

1.5

020

40

MGP360

2.5

2

60

Ptot (W)

Rth j-h

(K/W)

75

°C

100

°C

125

°C

150

°C

175

°C

Tj = 200 °C

Th = 120 °C

100

°C

80

°C

60

°C

40

°C

20

°C

0

°C