# Mullard–Philips tube designations

> European naming system for electronic tubes

**Wikidata**: [Q6934165](https://www.wikidata.org/wiki/Q6934165)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mullard–Philips_tube_designation)  
**Source**: https://4ort.xyz/entity/mullard-philips-tube-designations