buk9509-55a NXP Semiconductors, buk9509-55a Datasheet - Page 4

• Manufacturer Part Number: buk9509-55a
• Description: Trenchmos Logic Level Fet
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7. Thermal characteristics
Table 4:
9397 750 09229
Product data
Symbol Parameter
R
R
Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration.
th(j-mb)
th(j-a)
Z th(j
(K/W)
-
10 -1
10 -2
10 -3
mb)
1
thermal resistance from junction to
mounting base
thermal resistance from junction to ambient vertical in still air; SOT78 package
10 -6
Thermal characteristics
d
0.2
0.1
0.05
0.02
single shot
= 0.5
7.1 Transient thermal impedance
10 -5
10 -4
Rev. 01 — 21 February 2002
Conditions
Figure 4
mounted on a printed circuit board;
minimum footprint; SOT404 package
10 -3
10 -2
BUK95/9609-55A
TrenchMOS™ logic level FET
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
10 -1
Min
-
-
-
P
t p
t p (s)
T
Typ
-
60
50
03nh26
=
t p
T
t
Max
0.71
-
-
1
4 of 14
Unit
K/W
K/W
K/W