PEMD2_PIMD2_PUMD2

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Product data sheet

Rev. 8 — 14 November 2013

6 of 18

NXP Semiconductors

PEMD2; PIMD2; PUMD2

NPN/PNP resistor-equipped transistors; R1 = 22 k

, R2 = 22 k

FR4 PCB, standard footprint

Fig 4.

Per transistor: Transient thermal impedance from junction to ambient as a function of pulse duration for

PUMD2 (SOT363); typical values

006aac750

10-5

10

10-2

10-4

102

10-1

tp (s)

10-3

103

1

102

10

103

Zth(j-a)

(K/W)

1

duty cycle = 1

0.75

0.5

0.33

0.2

0.1

0.05

0.02

0.01

0