BCP53_BCX53_BC53PA

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Product data sheet

Rev. 9 — 19 October 2011

8 of 22

NXP Semiconductors

BCP53; BCX53; BC53PA

80 V, 1 A PNP medium power transistors

Fig 6.

Transient thermal impedance from junction to ambient as a function of pulse duration for SOT223;

typical values

FR4 PCB, standard footprint

Fig 7.

Transient thermal impedance from junction to ambient as a function of pulse duration for SOT89;

typical values

006aac679

10

1

(K/W)

10

1

0

duty cycle = 1

0.01

0.02

0.05

0.1

0.2

0.33

0.5

0.75

006aac680

10

1

(K/W)

10

1

0

duty cycle = 1

0.01

0.02

0.05

0.1

0.2

0.33

0.5

0.75