DIN EN 60539-2:2011 Directly heated negative temperature coefficient thermistors - Part 2: Sectional specification - Surface mount negative temperature coefficient thermistors (IEC 60539-2:2003 + A1:2010); German version EN 60539-2:2004 + A1:2010
1970DIN EN 60539-2 E:2018-01 Directly heated negative temperature coefficient thermistors - Part 2: Sectional specification - Surface mount negative temperature coefficient thermistors
2011DIN EN 60539-2:2011 Directly heated negative temperature coefficient thermistors - Part 2: Sectional specification - Surface mount negative temperature coefficient thermistors (IEC 60539-2:2003 + A1:2010); German version EN 60539-2:2004 + A1:2010