Data Sheet

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© 2011 ROHM Co., Ltd. All rights reserved.

Shottky barrier diode

RB491D

Application

Dimensions (Unit : mm)

Lead size figure (Unit : mm)

Low current rectification

1) Small mold type. (SMD3)

3) High reliability.

Structure

Silicon epitaxial planar

Structure

Taping dimensions (Unit : mm)

Absolute maximum ratings (Ta=25

C)

Symbol

Unit

V

V

Io

A

A

Tj

°C

Tstg

°C

Electrical characteristics (Ta=25

C)

Symbol

Min.

Typ.

Max.

Unit

Conditions

-

-

0.45

V

-

-

200

μA

Parameter

Junction temperature

Storage temperature

(*1) Rating of per diode

25

Forward current surge peak (60Hz・1cyc) (*1)

3

125

40 to 125

Features

Forward voltage

Reverse current

Limits

20

1

Parameter

Reverse voltage (DC)

Average rectified forward voltage (*1)

Reverse voltage (repetitive peak)

SMD3

0.8MIN.

0.95

1.9

3.2±0.1

4.0±0.1

4.0±0.1

2.0±0.05

φ1.5±0.1

　　　　　 0

1.35±0.1

φ1.05MIN

0.3±0.1

JEITA : SC-59

JEDEC :S0T-346

0.4

＋0.1

－0.06

2.9±0.2

1.9±0.2

0.95

0.95

＋0.1

　－0.05

各リードとも

同寸法

0～0.1

0.15

1.1±0.2

0.01

0.8±0.1

(2)

(1)

(3)

1.1

0.2

0.1

Each lead has same dimension

ROHM : SMD3

week code

1/3

2011.03 - Rev.D