PQMB11 datasheet(5/14 Pages) NEXPERIA

No. de pieza	PQMB11

Descripción Electrónicos	PNP/PNP resistor-equipped transistors;

PDF	14 Pages

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Fabricante Electrónico	NEXPERIA [Nexperia B.V. All rights reserved]

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Nexperia

PQMB11

PNP/PNP resistor-equipped transistors; R1 = 10 kΩ, R2 = 10 kΩ

PQMB11

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Product data sheet

26 October 2015

5 / 14

9. Thermal characteristics

Table 6.

Thermal characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Per transistor

Rth(j-a)

thermal resistance

from junction to

ambient

in free air

[1]

543

K/W

Per device

Rth(j-a)

thermal resistance

from junction to

ambient

in free air

[1]

357

K/W

[1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.

aaa-007378

10-5

10-2

10-4

102

10-1

tp (s)

10-3

103

102

103

Zth(j-a)

(K/W)

duty cycle =

0.75

0.5

0.33

0.2

0.1

0.02

0.01

0.05

FR4 PCB, standard footprint

Fig. 3. Per transistor: Transient thermal impedance from junction to ambient as a function of pulse duration;

typical values

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