Vishay Diodes Application Note

Date: October 11th, 2012

TO: Distribution List
FROM: Vishay Diodes Division – High Power Modules Product Marketing

SUBJECT: Improvement on SOT-227 New Generation

Dear Valued Customer,
In the light of continuous improvement, Vishay communicates that starting from week

39 of 2012 we have started to introduce thicker internal nuts under the four
connection terminals of our New Generation SOT-227 Modules.

Such an improvement is aimed at increasing the strength of the SOT-227 Module
during mounting operations as well as making the mounting operations of power
module easier.

There will be no effect on product outline as well as on quality, reliability or
performance

Change described below and is applicable to all Material Numbers listed in
Appendix-1

FROM TO

A= 3 mm (nominal)
B= 6.80 – 7.00mm

A= 4 mm (nominal)
B= 6.80 – 7.00mm

Vishay Semiconductor Italiana S.p.A.

Cod. Fisc. e P. IVA/VAT N. IT 00475790010

Attachment 1. - Part Number List

VS-SA61BA60

VS-UFB80FA20
VS-UFB280FA40
VS-UFB250FA60
VS-UFB230FA60

VS-UFB80FA60

VS-UFB80FA40
VS-UFB130FA20
VS-UFB130FA40
VS-UFB130FA60
VS-UFB201FA40

VS-UFL80FA60
VS-UFL230FA60
VS-UFB280FA20
VS-UFL130FA60

VS-FB190SA10
VS-HFA90FA120
VS-HFA70FA120

VS-HFA220FA120

VS-GB90DA120U

VS-GT175DA120U

VS-GA250SA60S
VS-GB90SA120U

VS-HFA140FA120

VS-HFA140FA60
VS-HFA70EA120

VS-GB90DA120U
VS-GT140DA60U

Additional part numbers released in SOT-227 Gen2 package assembled in same
location after the effective date of Week 39 of 2012 will be covered by such an
improvement