PHP83N03LT Datasheet, PDF (4/15 Pages) NXP Semiconductors – N-channel TrenchMOS transistor

Philips Semiconductors
PHP83N03LT series
N-channel TrenchMOS transistor
7. Thermal characteristics
Table 4: Thermal characteristics
Symbol Parameter
R_th(j-mb) thermal resistance from junction to mounting
base
R_th(j-a) thermal resistance from junction to ambient
Conditions
Figure 4
vertical in still air; SOT78 package
vertical in still air; SOT226 package
mounted on a printed circuit board; minimum
footprint; SOT404 and SOT226 packages
7.1 Transient thermal impedance
Value Unit
1.3 K/W
60 K/W
65 K/W
50 K/W
10
Zth(j-sp)
(K/W)
1
δ = 0.5
0.2
10-1 ^0.1
0.05
0.02
10-2
single pulse
10-3
10-5
10-4
10-3
10-2
03ad85
P
δ
=
tp
T
10-1
tp
t
T
1 t_p (s)
10
Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration.
9397 750 07815
Product specification
Rev. 01 — 23 January 2001
© Philips Electronics N.V. 2001. All rights reserved.
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