Directly heated negative temperature coefficient thermistors - Part 1: Generic specification (IEC 60539-1:2016/COR1:2017); German version EN 60539-1:2016/AC:2017-09— 5 стр.
Directly heated negative temperature coefficient thermistors - Part 1: Generic specification (IEC 60539-1:2016); German version EN 60539-1:2016— 59 стр.