PHP32N06L Datasheet, PDF (4/13 Pages) NXP Semiconductors – N-channel enhancement mode field effect transistor

Philips Semiconductors
PHP32N06LT; PHB32N06LT
N-channel enhancement mode field effect transistor
7. Thermal characteristics
Table 4: Thermal characteristics
Symbol Parameter
Conditions
R_th(j-a) thermal resistance from junction to ambient
vertical in still air; SOT78 package
mounted on printed circuit board;
minimum footprint; SOT404 package
R_th(j-mb) thermal resistance from junction to mounting base Figure 4
7.1 Transient thermal impedance
Value Unit
60 K/W
50 K/W
1.55 K/W
10
Z_th(j-mb)
(K/W)
1
δ = 0.5
0.2
0.1
10-1
0.05
0.02
10-2
single pulse
10-3
10-5
10-4
10-3
10-2
03ah47
P
δ
=
tp
T
tp
t
T
10-1
1
t_p (s)
Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration.
9397 750 09024
Product data
Rev. 01 — 06 November 2001
© Koninklijke Philips Electronics N.V. 2001. All rights reserved.
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