BUK7775-55A Datasheet, PDF (4/12 Pages) NXP Semiconductors – N-channel TrenchMOS standard level FET

Philips Semiconductors
BUK7775-55A
N-channel TrenchMOS™ standard level FET
7. Thermal characteristics
Table 4: Thermal characteristics
Symbol Parameter
Conditions
R_th(j-mb) thermal resistance from junction to
mounting base
Figure 4
R_th(j-a) thermal resistance from junction to ambient vertical in still air
7.1 Transient thermal impedance
Min Typ Max Unit
- - 6.8 K/W
- 55 - K/W
10
Zth(j-mb)
(K/W)
δ = 0.5
0.2
1
0.1
0.05
10-1
0.02
Single Shot
10-2
10-6
10-5
10-4
10-3
03ne02
P
δ
=
tp
T
10-2
tp
t
T
10-1
1
tp (s)
Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration.
9397 750 13325
Product data
Rev. 02 — 7 June 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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