EN 60539-2:2004
直热式负温度系数热敏电阻.第2部分:分规范.表面安装的负温度系数热敏电阻 IEC 60539-2:2003
Directly heated negative temperature coefficient thermistors Part 2: Sectional specification - Surface mount negative temperature coefficient thermistors (Incorporates Amendment A1: 2010)