buk7508 NXP Semiconductors, buk7508 Datasheet - Page 4

• Manufacturer Part Number: buk7508
• Description: Buk7508-55a; Buk7608-55a Trenchmos Tm Standard Level Fet
• Manufacturer: NXP Semiconductors

Philips Semiconductors
7. Thermal characteristics
Table 4:
9397 750 09091
Product data
Symbol
R
R
Fig 4. Transient thermal impedance from junction to mounting base as a function of pulse duration.
th(j-a)
th(j-mb)
Thermal characteristics
Z th(j-mb)
Parameter
thermal resistance from junction to ambient
thermal resistance from junction to mounting
base
(K/W)
10 -1
10 -2
10 -3
1
10 -6
7.1 Transient thermal impedance
0.2
0.1
0.05
0.02
Single Shot
= 0.5
10 -5
10 -4
Rev. 02 — 17 January 2002
BUK7508-55A; BUK7608-55A
Conditions
vertical in still air; SOT78 package
mounted on printed circuit board;
minimum footprint; SOT404
package
Figure 4
10 -3
10 -2
TrenchMOS™ standard level FET
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
10 -1
P
t p
T
t p (s)
Value
60
50
0.59
03nh49
=
t p
T
t
1
Unit
K/W
K/W
K/W
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