BUK7277-55A Datasheet, PDF (4/13 Pages) NXP Semiconductors – TrenchMOS standard level FET

Philips Semiconductors
BUK7277-55A
TrenchMOS™ standard level FET
7. Thermal characteristics
Table 4: Thermal characteristics
Symbol Parameter
Conditions
R_th(j-a)
R_th(j-mb)
thermal resistance from junction to ambient minimum footprint, FR4 board
thermal resistance from junction to mounting Figure 4
base
7.1 Transient thermal impedance
Value Unit
71.4
K/W
2.9
K/W
10
Zth(j-mb)
(K/W)
δ = 0.5
1
0.2
0.1
10-1
0.05
0.02
Single Shot
10-2
10-6
10-5
10-4
10-3
03nc56
10-2
P
δ
=
tp
T
tp
t
T
10-1 tp (s)
1
Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration.
9397 750 07698
Product specification
Rev. 01 — 1 February 2001
© Philips Electronics N.V. 2001. All rights reserved.
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