About Us


Semitec USA Corp.

Established in Babylon, NY in 1968 as the North American subsidiary of Semitec Corporation of Japan, Semitec USA upholds the corporate philosophy of excellence in all that we do. We strive to uphold the “Best in Class” consideration the Semitec brand holds worldwide. Upholding the philosophy of excellence, Semitec USA Corp relocated in 2008 to our current home in Torrance, California to better serve our customers.

As a designer and manufacturer of thermistors and thermistor assemblies, we continue to grow our business throughout North America. Promoting the Semitec brand through a network of professional Manufacturers Representatives and Distributors, Semitec USA Corp has rapidly gained recognition in North America. We have become known not only for world class product but also for our relentless pursuit of satisfying our customers. The Medical Market, in particular, associates Semitec for the smallest, most accurate and innovative temperature sensors available anywhere.

Our primary sensor technology, NTC thermistors, enjoy a 60% market share in the electronic thermometer market, a 70% market share in the hybrid vehicle market and an 80% market share in the office automation market. Semitec also enjoys a high market share in the computer and mobile communication device battery pack market. We are also becoming the temperature sensor of choice in the medical device market such as ablation catheters, blood glucose monitoring devices and emerging renal denervation medical device market.

Whatever your application, simple or complex, Semitec has a viable solution. Our local sales, engineering and customer service staff are available to assist at all levels of product development. Whether the demand is a component or a completed temperature assembly, Semitec USA can assist at any level from concept to development and manufacturing.

Semitec USA

SEMITEC Corporation Information (Japan)

Company Name SEMITEC Corporation
Representative Chairman/CEO SEMITEC: Jiro Ishizuka
Business Field Development, Manufacture, and Sales of Electronic components under "SEMITEC" Brand;
  • Temperature Sensors
  • Surge Absorbers
  • Current Devices and Others
Date of Establishment March 13, 1958
Capital 728,040,000 JPY
Net Sales 9,345 Million Yen (Consolidated Results FY2011)

SEMITEC Corporation History

1958 Ishizuka Electronics Corporation established with the capital of JPY 500,000 and starting manufacturing “Varistors” in Edogawa-ku, Tokyo, Japan
1960 "Chiba Plant" in Narashino-city in Chiba prefecture, Japan newly constructed starting the production of bulk-type NTC thernistors.
1964 "Osaka sales office" established. Chiba Plant moved from Narashino-city to Chiba-city.
1970 The forth expansion of the Chiba Plant completed.
1988 "Headquarter Building" construction in Tokyo, Japan completed and moved from Edogawa-ku to Sumida-ku, Tokyo
1989 "SEMITEC USA CORP." established in New York, U.S.A..
1990 Fully automated production line started operations at the building No. 10, Chiba Plant
1992 The production of “FT Thermistor” by a thin film technology started.
1994 "Nagoya sales office" established. "ISO 9002" certification granted to Chiba Plant.
1995 “SEMITEC (HONG KONG) CO.,LTD” established in Hong Kong and P.R.C..
1996 SEMITEC Corporation acquired the stocks of “JIANGSU XINGSHUN ELECTRONICS CO.,LTD.” in Jiangsu, P.R.C..
1999 “SEMITEC TAIWAN CORP” established in Taipei, TAIWAN
2000 “World Technology Centre” as the center of technological development in Chiba Plant established. "SEMITEC ELECTRONICS PHILIPPINES" as a manufacturing company established in Rosario, Osario, Republic of The Philippines. "SEMITEC KOREA CO., LTD." as a sales and manufacturing company established in Seoul, Republic of Korea.
2001 “ISO9001:2000” granted to SEMITEC KOREA CO., LTD..
2002 “TAIZHOU SEMITEC ELECTRONICS CO., LTD.” a sales and manufacturing company established in Taizhou, P.R.C.. “ISO14001” granted to Chiba Plant “ISO9001:2000” granted to TAIZHOU SEMITEC ELECTRONICS CO., LTD..
2003 “SEMITEC TRADING(SHENZHEN)CO., LTD.” as a sales company established in Shenzhen, P.R.C.. “ISO9001:2000” granted to Chiba Plant. “ISO9001:2000” granted to JIANGSU XINGHUN ELECTRONICS CO.,LTD..
2005 Ishizuka Electronics Corporation acquired the stocks of “SEG CO.,LTD.” in Hong Kong. “ISO9001:2000” granted to SEMITEC ELECTRONICS PHILIPPINES INC. "SEMITEC ELECTRONICS(WEIHAI) CO.,LTD." as a manufacturing company" established in Shandong, P.R.C.. “ISO14001” granted to SEMITEC ELECTRONICS PHILIPPINES INC.
2006 “ISO9001:2000” and “ISO14001” granted to SEMITEC ELECTRONICS (WEIHAI) CO.,LTD.
2007 “SEMITEC INTERNATIONAL(SHANGHAI)CO.,LTD” established in Shanghai, P.R.C..
2008 “Semitec Electronics Shaoguan Co., Ltd.” established in ShaoGuan, P.R.C..
Semitec USA relocated from New York to Los Angeles.
2009 “ISO9001:2008” granted to Semitec Electronics Shaoguan Co., Ltd.
2010 “ISO14001” granted to Semitec Electronics Shaoguan Co., Ltd.
2011 “ISO 13485 grated to Semitec Electronics Philippines Inc.