PMR400UN

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 2 — 2 February 2012

4 of 13

NXP Semiconductors

PMR400UN

N-channel TrenchMOS ultra low level FET

6.

Thermal characteristics

Table 6.

Thermal characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Rth(j-sp)

thermal resistance

from junction to solder

point

-

-

235

K/W

Fig 4.

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

03an29

10

102

103

10-4

10-3

10-2

10-1

1

10

tp (s)

Zth(j-sp)

(K/W)

single pulse

δ = 0.5

0.2

0.1

0.05

0.02

tp

tp

T

P

t

T

δ =