BUK714R1-40BT Datasheet, PDF (4/15 Pages) NXP Semiconductors – TrenchMOS standard level FET

Philips Semiconductors
BUK71/794R1-40BT
TrenchMOS™ standard level FET
4. Thermal characteristics
Table 3: 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
SOT263B (TO-220AB)
vertical in still air
SOT426 (D²-PAK)
minimum footprint; mounted on a PCB
4.1 Transient thermal impedance
Min Typ Max Unit
- - 0.55 K/W
- - 60 K/W
- - 50 K/W
1
Z _th(j-mb)
(K/W)
δ = 0.5
10-1
10-2
0.2
0.1
0.05
0.02
single shot
10-3
10-6
10-5
10-4
10-3
10-2
03ni64
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 13954
Product data
Rev. 01 — 4 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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