NXP Semiconductors
102
Zth(j-a)
(K/W)
10
duty cycle = 1
0.75
0.5
0.33
0.2
0.1
0.05
0.02
0.25
1 0.01
0
PHPT61003PY
100 V, 3A PNP high power bipolar transistor
aaa-010428
10-2
10-5
10-4
10-3
10-2
10-1
1
FR4 PCB, mounting pad for collector 6 cm2
10
102
103
tp (s)
Fig. 3. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values
PHPT61003PY
Product data sheet
All information provided in this document is subject to legal disclaimers.
13 January 2014
© NXP N.V. 2014. All rights reserved
5 / 15