Document Number: 89274

For technical questions within your region, please contact one of the following:

www.vishay.com

Revision: 19-Apr-11

1

This document is subject to change without notice.

Surface Mount Ultrafast Rectifier

US1A thru US1M

Vishay General Semiconductor

New Product

FEATURES

• Low profile package

• Ideal for automated placement

• Glass passivated chip junction

• Ultrafast reverse recovery time

• Low switching losses, high efficiency

• High forward surge capability

• Meets MSL level 1, per J-STD-020, LF maximum peak of

260 °C

• Compliant

to

RoHS

Directive

2002/95/EC

and

in

accordance to WEEE 2002/96/EC

• Halogen-free according to IEC 61249-2-21 definition

TYPICAL APPLICATIONS

For use in high frequency rectification and freewheeling

application in switching mode converters and inverters for

consumer, computer, and telecommunication.

MECHANICAL DATA

Case: DO-214AC (SMA)

Molding compound meets UL 94 V-0 flammability rating

Base P/N-M3 - halogen-free, RoHS compliant, and

commercial grade

Terminals:

Matte

tin

plated

leads,

solderable

per

J-STD-002 and JESD 22-B102

M3 suffix meets JESD 201 class 1A whisker test

Polarity: Color band denotes cathode end

PRIMARY CHARACTERISTICS

1.0 A

50 V to 1000 V

30 A

50 ns, 75 ns

1.0 V, 1.7 V

150 °C

DO-214AC (SMA)

PARAMETER

SYMBOL

US1A

US1B

US1D

US1G

US1J

US1K

US1M

UNIT

Device marking code

UA

UB

UD

UG

UJ

UK

UM

Maximum repetitive peak reverse voltage

50

100

200

400

600

800

1000

V

Maximum RMS voltage

35

70

140

280

420

560

700

V

Maximum DC blocking voltage

50

100

200

400

600

800

1000

V

1.0

A

Peak forward surge current 8.3 ms single half sine-wave

superimposed on rated load

30

A

Operating and storage temperature range

- 55 to + 150

°C