The 9006 miniature valve is a general purpose UHF diode.

The thin glass tube envelope is 17 mm in diameter and, excluding the B7G base pins, is 38 mm tall.

 
Absolute Maximum Operating Conditions

Diode	Vh	Ah	Va	mAa
	6.3	0.15	270	5.0

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 12 June 2007 {find valves by name}