Datasheet

PBSS4021SPN All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved.
Product data sheet Rev. 2 — 13 October 2010 6 of 20
NXP Semiconductors
PBSS4021SPN
20 V NPN/PNP low V
CEsat
(BISS) transistor
Ceramic PCB, Al
2
O
3
, standard footprint
Fig 4. Per transistor: Transient thermal impedance from junction to ambient as a function of pulse duration;
typical values
006aac261
10
−5
1010
−2
10
−4
10
2
10
−1
t
p
(s)
10
−3
10
3
1
10
1
10
2
Z
th(j-a)
(K/W)
10
−1
duty cycle = 1
0.75
0.5
0.33
0.2
0.1
0.05
0.02
0.01
0