Nexperia
PDTB1xxxU series
500 mA, 50 V PNP resistor-equipped transistors
103
Zth(j-a)
(K/W)
102
duty cycle = 1
0.75
0.5
0.33
0.2
0.1
0.05
10 0.02
0.01
10
aaa-012062
10-1
10-5
10-4
10-3
10-2
10-1
1
10
102
103
tp (s)
Fig 2.
FR4 PCB, single-sided copper, tin-plated and standard footprint
Transient thermal impedance from junction to ambient as a function of pulse duration for SOT323/SC-70;
typical values
103
Zth(j-a)
(K/W)
102
duty cycle = 1
0.75
0.5
0.33
0.2
0.1
0.05
10
0.02
0.01
aaa-012063
0
1
10-5
10-4
10-3
10-2
10-1
1
10
102
103
tp (s)
Fig 3.
FR4 PCB, 4-layer copper, tin-plated and standard footprint.
Transient thermal impedance from junction to ambient as a function of pulse duration for SOT323/SC-70;
typical values
PDTB1XXXU_SER
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 6 May 2014
© Nexperia B.V. 2017. All rights reserved
5 of 27