THINKING Temperature Sensors Meet IEC Standards and Acquires VDE Certificates DIN EN 60539-1:2017-01 and EN 60539-1:2016 are international standards for directly heated negative temperature coefficient thermistors, and DIN EN 60730-1 (VDE 0631-1):2017-05 and IEC 60730-1:2013+COR1:2014 are for automatic electrical controls. THINKING temperature sensors meet the above-mentioned international standards and acquire their VDE certificates. More     THINKING Receives TUV Rheinland Witness Testing Qualification   THINKING receives witness testing qualification from TÜV Rheinland (China) Ltd, and certificate awarding ceremony is held on March 15, 2018 at Thinking (Changzhou) Electronic Co., Ltd.  More           News Release 06/10/2019  -  THINKING Temperature Sensors Meet IEC Standards and Acquires VDE Certificates 06/30/2016  -  TSM-H Series: SMD NTC with High Operating Temperature 03/03/2014  -  THINKING Varistor Compliant with CQC