BUK9880-55A_2

© NXP B.V. 2007. All rights reserved.

Product data sheet

Rev. 02 — 12 April 2007

4 of 12

NXP Semiconductors

BUK9880-55A

N-channel TrenchMOS logic level FET

5.

Thermal characteristics

Table 4.

Thermal characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

thermal resistance from junction to ambient

-

70

-

K/W

thermal resistance from junction to solder point

-

-

15

K/W

Fig 4.

Transient thermal impedance from junction to solder point as a function of pulse duration

03nc55

Single Shot

0.2

0.1

0.05

0.02

10

-2

10

-1

1

10

10

2

10

-6

10

-5

10

-4

10

-3

10

-2

10

-1

1

10

10

2

(K/W)

δ = 0.5

T

P

t

T

δ =