2SD1857_09 datasheet(1/3 Pages) ROHM

Part #	2SD1857

Description	Power Transistor (120V, 2A)

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Manufacturer	ROHM [Rohm]

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2009.12 - Rev.E

Power Transistor (120V, 2A)

2SD1857



Features



Dimensions (Unit : mm)

1) High breakdown voltage. (BVCEO = 120V)

2) Low collector output capacitance.

(Typ. 20pF at VCB = 10V)

3) High transition frequency. (fT = 80MHz)

4) Complements the 2SB1236.



Packaging specifications and hFE

Package

Code

Taping

Basic ordering unit (pieces)

2SD1857

QR

TV2

2500

Type

hFE

120 to 270

hFE

Item

Q

180 to 390

R

hFE

values are classified as follows:



Absolute maximum ratings (Ta = 25

C)

Parameter

Symbol

VCBO

VCEO

VEBO

IC

ICP

PC

Tj

Tstg

Limits

120

5

2

3

1

150

−55 to +150

Unit

V

A

W

∗1

∗2

°C

Collector-base voltage

Collector-emitter voltage

Emitter-base voltage

Collector current

Collector power dissipation

Junction temperature

Storage temperature

∗1 Single pulse Pw = 10ms

∗2 When mounted on 1.7mm thick PCB having collector foll dimensions 1cm

2

or more.



Electrical characteristics (Ta = 25

C)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

BVCBO

BVCEO

BVEBO

ICBO

IEBO

VCE(sat)

fT

Cob

120

5

−

80

20

−

1

2

−

V

μA

V

∗

MHz

pF

IC = 50

μA

IC = 1mA

IE = 50

μA

VCB = 100V

VEB = 4V

IC/IB = 1A/0.1A

hFE

120

−

390

−

VCE/IC = 5V/0.1A

VCE = 5V , IE =

−0.1A , f = 30MHz

VCB = 10V , IE = 0A , f = 1MHz

Collector-base breakdown voltage

Collector-emitter breakdown voltage

Emitter-base breakdown voltage

Collector cutoff current

Emitter cutoff current

Collector-emitter saturation voltage

Transition frequency

Output capacitance

DC current

transfer ratio

∗ Measured using pulse current.

ROHM : ATV

2SD1857

(2) Collector

(3) Base

Taping specifications

(1) Emitter

0.45

1.05

0.5

(1)

0.65Max.

2.54

(2)

2.54

(3)

6.8

2.5

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