2001 Sep 19

2

Philips Semiconductors

Product specification

PNP resistor-equipped double transistor; R1 = 4.7 k

Ω

PUMB3

FEATURES

• Transistors with built-in bias resistor R1 (typ. 4.7 kΩ)

• No mutual interference between the transistors

• Simplification of circuit design

• Reduces number of components and board space.

APPLICATIONS

• General purpose switching and amplification

• Inverter and interface circuits

• Circuit driver.

DESCRIPTION

PNP resistor-equipped double transistor in an SC-88

(SOT363) plastic package.

MARKING

Note

1. * = p: Made in Hong Kong.

* = t: Made in Malaysia.

PINNING

TYPE NUMBER

PUMB3

B5*

PIN

DESCRIPTION

1, 4

emitter

TR1; TR2

2, 5

base

TR1; TR2

6, 3

collector

TR1; TR2

handbook, halfpage

MAM344

13

2

4

5

6

Top view

65

4

12

3

TR1

TR2

R1

R1

Fig.1

Simplified outline (SC-88; SOT363) and

symbol.

MBK120

2, 5

6, 3

1, 4

Fig.2 Equivalent inverter symbol.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

MAX.

UNIT

collector-emitter voltage

−50

V

peak collector current

−100

mA

TR1

PNP

−−

TR2

PNP

−−

R1

bias resistor

4.7

k

Ω