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BUK7511-55B_15 Datasheet, PDF (5/14 Pages) NXP Semiconductors – N-channel TrenchMOS standard level FET
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NXP Semiconductors
BUK7511-55B
N-channel TrenchMOS standard level FET
Table 5.
Symbol
Rth(j-mb)
Rth(j-a)
Thermal characteristics
Parameter
thermal resistance from
junction to mounting base
thermal resistance from
junction to ambient
Conditions
see Figure 4
vertical in still air
Min Typ Max Unit
-
-
0.95 K/W
-
60 -
K/W
1
Zth(j-mb)
(K/W)
δ = 0.5
0.2
10−1
0.1
0.05
0.02
03nn45
10−2
single shot
P
δ = tp
T
10−3
10−6
10−5
10−4
10−3
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
BUK7511-55B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 31 January 2011
© NXP B.V. 2011. All rights reserved.
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