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BCP56_BCX56_BC56PA

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Product data sheet

Rev. 9 — 25 October 2011

10 of 22

Nexperia

BCP56; BCX56; BC56PA

80 V, 1 A NPN medium power transistors

FR4 PCB, single-sided copper, standard footprint

Fig 10. Transient thermal impedance from junction to ambient as a function of pulse duration for SOT1061;

typical values

FR4 PCB, single-sided copper, mounting pad for collector 1 cm2

Fig 11. Transient thermal impedance from junction to ambient as a function of pulse duration for SOT1061;

typical values

006aac683

10

1

102

103

Zth(j-a)

(K/W)

10–1

10–5

10

10–2

10–4

102

10–1

tp (s)

10–3

103

1

0

duty cycle = 1

0.01

0.05

0.1

0.2

0.33

0.5

0.75

0.02

0.25

006aac684

10

1

102

103

Zth(j-a)

(K/W)

10–1

10–5

10

10–2

10–4

102

10–1

tp (s)

10–3

103

1

0

duty cycle = 1

0.01

0.05

0.1

0.2

0.33

0.5

0.75

0.02

0.25