2SD1781K

Transistors

Rev.A

1/3

Medium Power Transistor (32V, 0.8A)

2SD1781K

Features

2) High current capacity in compact package.

3) Complements the 2SB1197K.

Structure

Epitaxial planar type

NPN silicon transistor

External dimensions (Unit : mm)

0~0.1

1.1

0.8

0.15

0.4

2.9

1.9

0.95 0.95

−0.1

−0.06

−0.05

(2)

(1)

(3)

(1) Emitter

(2) Base

(3) Collector

ROHM : SMT3

EIAJ : SC-59

Abbreviated symbol : AF

∗

All terminals have

same dimensions

Absolute maximum ratings (Ta=25 C)

Parameter

Tj

Tstg

40

V

V

V

A (DC)

mW

°C

°C

32

5

0.8

A (Pulse)

1.5

∗

200

150

−55 to

Symbol

Limits

Unit

Collector-base voltage

Collector-emitter voltage

Emitter-base voltage

Collector current

Collector power dissipation

Junction temperature

Storage temperature