1999 May 25

2

Philips Semiconductors

Product specification

NPN resistor-equipped transistor

PDTC144WU

FEATURES

• Built-in bias resistors R1 and R2 (typ. 47 kΩ and 22 kΩ

respectively)

• Simplification of circuit design

• Reduces number of components and board space.

APPLICATIONS

• Especially suitable for space reduction in interface and

driver circuits

• Inverter circuit configurations without use of external

resistors.

DESCRIPTION

NPN resistor-equipped transistor in a SC-70 (SOT323)

plastic package. PNP complement: PDTA144WU.

PINNING

PIN

DESCRIPTION

1

base/input

2

emitter/ground

3

collector/output

Fig.1

Simplified outline (SC-70; SOT323) and

symbol.

dbook, 4 columns

MAM134

R1

R2

3

2

1

3

2

1

Top view

Fig.2 Equivalent inverter symbol.

MGA893 - 1

1

3

2

MARKING

Note

1.

∗ = - : Made in Hong Kong.

∗ = t : Made in Malaysia.

TYPE NUMBER

PDTC144WU

∗20