RB491D

Diodes

Schottky barrier diode

RB491D

!Applications

Low-power rectification

For switching power supply

!Features

1) Small surface mounting type. (SMD3)

!Construction

Silicon epitaxial planar

!Circuit

!

!

!

!External dimensions

(Units : mm)

0~0.1

0.8±0.1

2.9±0.2

0.95 0.95

1.9±0.2

ROHM : SMD3

EIAJ : SC-59

JEDEC : SOT-346

0.1

−0.05

0.1

−0.06

0.2

−0.1

(All leads have the same dimensions)

!

!

!

!Absolute maximum ratings

(Ta=25

°C)

Parameter

Symbol

Limits

25

Unit

V

Peak reverse voltage

20

V

DC reverse voltage

1.0

A

DC forward current

3A

Peak forward surge current ∗

Tj

125

˚C

Junction temperature

Tstg

−40∼+125

˚C

Storage temperature

∗ 60Hz for 1

!

!

!

!Electrical characteristics

(Ta=25

°C)

Parameter

Forward voltage

Reverse current

Symbol

Min.

Typ.

Max.

Unit

Conditions

−

−

−

−

0.45

200

V

µA

Note) ESD sensitive product handling required.