Datasheet

PBSS305PX_2 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 02 — 8 December 2009 5 of 15
NXP Semiconductors
PBSS305PX
80 V, 4.0 A PNP low V
CEsat
(BISS) transistor
FR4 PCB, mounting pad for collector 6 cm
2
Fig 3. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values
Ceramic PCB, Al
2
O
3
, standard footprint
Fig 4. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values
006aaa558
10
−5
1010
−2
10
−4
10
2
10
−1
t
p
(s)
10
−3
10
3
1
0.01
0.05
0.10
0.20
0.33
δ = 1
0.02
10
1
10
2
Z
th(j-a)
(K/W)
10
−1
0
0.75
0.50
006aaa559
10
−5
1010
−2
10
−4
10
2
10
−1
t
p
(s)
10
−3
10
3
1
0.33
0.10
0
0.01
0.02
10
1
10
2
Z
th(j-a)
(K/W)
10
−1
0.05
δ = 1
0.75
0.50
0.20