UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C.  20549

_______________________

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): April 11, 2011

MICREL,   INCORPORATED

(Exact name of Registrant as specified in its charter)

California	94-2526744
(State or other jurisdiction of	(I.R.S. Employer Identification No.)
incorporation or organization)

2180 Fortune Drive, San Jose, CA       95131

(Address of principal executive offices)   (Zip Code)

Registrant's telephone number, including area code: (408) 944-0800

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act  (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

INFORMATION TO BE INCLUDED IN REPORT

Item 2.02. Results of Operations and Financial Condition

On April 11, 2011, Micrel, Incorporated issued a press release updating its first quarter 2011 outlook.  A copy of the press release is furnished as Exhibit 99 to this report. Such Information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and is not incorporated by reference into any filing of the company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Item 9.01. Financial Statements and Exhibits

(d) The following items are filed as exhibits to this report:

99.1 Press release, dated April 11, 2011 issued by Micrel Incorporated.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

MICREL, INCORPORATED

(the Registrant)

By:           /s/ Clyde R. Wallin                                

Clyde R. Wallin

Vice President, Finance and

Chief Financial Officer

(Principal Financial and

Accounting Officer)

Dated: April 11, 2011