PUMB1 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

PUMB1

PNP/PNP resistor-equipped transistors; R1 = 22 kΩ, R2 = 22 kΩ

NXP Semiconductors. 

NXP Semiconductors

PEMB1; PUMB1

PNP/PNP resistor-equipped transistors; R1 = 22 k, R2 = 22 k

400

Ptot

(mW)

300

006aac749

200

100

0

-75

-25

25

75

125

175

Tamb (°C)

FR4 PCB, standard footprint

Fig 1. Per device: Power derating curve for SOT363 (SC-88) and SOT666

6. Thermal characteristics

Table 7. Thermal characteristics

Symbol Parameter

Per transistor

Rth(j-a)

thermal resistance from

junction to ambient

PEMB1 (SOT666)

PUMB1 (SOT363)

Per device

Rth(j-a)

thermal resistance from

junction to ambient

PEMB1 (SOT666)

PUMB1 (SOT363)

Conditions

in free air

in free air

Min Typ Max Unit

[1][2] -

-

625 K/W

[1] -

-

625 K/W

[1][2] -

-

417 K/W

[1] -

-

417 K/W

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

[2] Reflow soldering is the only recommended soldering method.

PEMB1_PUMB1

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 3 — 28 November 2011

© NXP B.V. 2011. All rights reserved.

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