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2009 ROHM Co., Ltd. All rights reserved.

2009.11 - Rev.B

Medium Power Transistor

(Motor, Relay drive) (60

±10V, 2A)

2SD2143 / 2SD1866

Features

Dimensions (Unit : mm)

1) Built-in zener diode between collector and base.

2) Strong protection against reverse surges due to "L"

loads.

3) Built-in resistor between base and emitter.

4) Built-in damper diode.

Absolute maximum ratings (Ta=25

°C)

∗1 Single pulse Pw=100ms

Junction temperature

Collector power

dissipation

Parameter

Symbol

Tj

Tstg

Limits

60

±10

60

±10

6

2

10

∗1

∗2

150

−55 to +150

Unit

V

V

V

A (DC)

3

A (Pulse)

1

1

W

W

W (Tc

=25°C)

°C

°C

2SD2143

2SD1866

Collector-base voltage

Collector-emitter voltage

Emitter-base voltage

Collector current

Storage temperature

Type

2SD2143

CPT3

1k to 10k

TL

2500

2SD1866

ATV

1k to 10k

TV2

2500

−−

Basic ordering unit (pieces)

Package

Code

Marking

Inner circuit

E :

B :

C :

C

B

E

Emitter

Base

Collector

3.5k

Ω

300

Ω

Electrical characteristics (Ta=25

°C)

∗ Measured using pulse current.

Collector-base breakdown voltage

Collector-emitter breakdown voltage

Collector cutoff current

Emitter cutoff current

Collector-emitter saturation voltage

DC current transfer ratio

Output capacitance

Transition frequency

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Cob

50

50

−

−

−

1000

−

−−

−

−

−

−

−

−

25

80

70

70

1.0

3

1.5

10000

−

V

V

µA

mA

V

∗

−

pF

=50µA

=5mA

=40V

=5V

=1A/1mA

MHz

2SD2143

(3) Emitter(Source)

(2) Collector(Drain)

(1) Base(Gate)

ROHM : CPT3

EIAJ : SC-63

9.5

2.5

0.8Min.

1.5

C0.5

0.9

1.5

5.5

2SD1866

(2) Collector

(1) Emitter

ROHM : ATV

Taping specifications

(3) Base

0.45

1.05

0.5

(1)

0.65Max.

2.54

(2)

2.54

(3)

6.8

2.5