PEMB2_PUMB2

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Product data sheet

Rev. 3 — 17 November 2011

5 of 14

NXP Semiconductors

PEMB2; PUMB2

PNP/PNP resistor-equipped transistors; R1 = 47 k

, R2 = 47 k

FR4 PCB, standard footprint

Fig 2.

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

PEMB2 (SOT666); typical values

FR4 PCB, standard footprint

Fig 3.

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

PUMB2 (SOT363); typical values

006aac751

10

1

10

(K/W)

1

duty cycle = 1

0.75

0.5

0.33

0.2

0.1

0.05

0.02

0.01

0

006aac750

10

1

10

(K/W)

1

duty cycle = 1

0.75

0.5

0.33

0.2

0.1

0.05

0.02

0.01

0