IXYS Ixys Corp. (delisted)

C.P. Clare Corporation Non-Qualified Stock Option Plan

CP Clare Corporation 1995 Stock Option and Incentive Plan

Microwave Technology, Inc. 1990 Stock Option Plan

Microwave Technology, Inc. 2000 Stock Option Plan

IXYS Corporation 1999 Equity Incentive Plan

IXYS Corporation 1999 Employee Stock Purchase Plan

IXYS Corporation 2009 Equity Incentive Plan

ZiLOG, Inc. 2002 Omnibus Stock Incentive Plan, as amended

ZiLOG, Inc. 2004 Omnibus Stock Incentive Plan, as amended

IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan

IXYS Corporation 2011 Equity Incentive Plan

IXYS Corporation 2013 Equity Incentive Plan

IXYS Corporation Amended and Restated 1999 Employee Stock Purchase Plan

IXYS Corporation 2016 Equity Incentive Plan

(Full title of the plans)

IXYS, LLC

1590 Buckeye Drive

Milpitas, California 95035

(408) 457-9000

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company”and “emerging growth company” in Rule 12b-2 of the Securities Exchange Act of 1934, as amended (the “ Exchange Act ”). (Check one):

If an emerging growth company, indicate by check mark if the registrant has elected to use the extended transition period for complying with the new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.  ☐

DEREGISTRATION OF SECURITIES

This Post-Effective Amendment relates to the following Registration Statements filed by IXYS, LLC, formerly known as IXYS Corporation (the “ Company ”), on Form S-8 (collectively, the “ Registration Statements ”) filed by the Company with the U.S. Securities and Exchange Commission (the “ SEC ”), pertaining to the registration of the Company’s shares of common stock, par value $0.01 per share (“ Common Stock ”), offered under equity plans and agreements:

The Company is filing this Post-Effective Amendment to its Registration Statements to withdraw and remove from registration the registered and unsold securities issuable by the Company pursuant to the above referenced Registration Statements.

On January 17, 2018, pursuant to the Agreement and Plan of Merger, dated as of August 25, 2017 (the “ Merger Agreement ”), by and among the Company, Littelfuse, Inc., a Delaware corporation (“ Parent ”), and Iron Merger Co., Inc., a Delaware corporation and wholly owned subsidiary of Parent (“ Merger Sub ”), as amended by Amendment No. 1 dated as of December 4, 2017, by and among the Company, Parent, Merger Sub and IXYS Merger Co., LLC, a Delaware limited liability company and wholly owned subsidiary of Parent (“ Merger Sub Two ”), Merger Sub merged with and into the Company (the “ Initial Merger ”), with the Company continuing as the surviving corporation of the Initial Merger. Further to the terms of the Merger Agreement, the Company, as the surviving corporation of the Initial Merger, merged with and into Merger Sub Two (the “ Follow-On Merger ”), with Merger Sub Two continuing as the surviving corporation in the Follow-On Merger and a wholly-owned subsidiary of Parent.

As a result of the consummation of the transactions contemplated by the Merger Agreement, the Company has terminated all offerings of its securities pursuant to the above referenced Registration Statements. In accordance with an undertaking made by the Company in each of the Registration Statements to remove from registration by means of a post-effective amendment any securities which remain unsold at the termination of the offering, the Company hereby removes and withdraws from registration all securities of the Company registered pursuant to the Registration Statements that remain unsold as of the date hereof.