PHP45N03LTA Philips Semiconductors, PHP45N03LTA Datasheet - Page 4

• Manufacturer Part Number: PHP45N03LTA
• Description: N-channel enhancement mode field-effect transistor
• Manufacturer: Philips Semiconductors

Philips Semiconductors
7. Thermal characteristics
Table 4:
9397 750 09023
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)
thermal resistance from junction to mounting
base
thermal resistance from junction to ambient
Z th(j-mb)
Thermal characteristics
(K/W)
10 -1
10 -2
10
1
10 -5
0.2
0.1
0.05
0.02
= 0.5
7.1 Transient thermal impedance
single pulse
10 -4
Rev. 02 — 02 November 2001
10 -3
Conditions
Figure 4
vertical in still air; SOT78 package
mounted on a printed circuit board; minimum
footprint; SOT404 and SOT428 packages
N-channel enhancement mode field-effect transistor
PHP/PHB/PHD45N03LTA
10 -2
10 -1
P
© Koninklijke Philips Electronics N.V. 2001. All rights reserved.
t p
T
t p (s)
=
t p
T
03af57
t
1
Value Unit
2.3
60
50
4 of 14
K/W
K/W
K/W