PHP78NQ03LT
Philips Semiconductors
N-channel TrenchMOS logic level FET
5. Thermal characteristics
Table 4:
Symbol Parameter
Rth(j-mb) thermal resistance from junction to mounting base Figure 4
Rth(j-a) thermal resistance from junction to ambient vertical in still air
Thermal characteristics
Conditions
Min
Typ
-
Max Unit
-
-
1.6
-
K/W
K/W
60
003aaa233
10
Zth(j-mb)
(K/W)
1
= 0.5
δ
0.2
0.1
tp
T
P
10-1
δ =
0.05
0.02
single pulse
t
tp
T
10-2
10-5
10-4
10-3
10-2
10-1
1
10
tp (s)
Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration
9397 750 15086
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 05 — 9 June 2005
4 of 12
NXP [ NXP ]
