The 6D3 is a Mazda miniature valve that houses a single signal diode. The special feature of the design is a slow heating cathode.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 45 mm tall.
Reference: 1040 & 3002. Type 6D3 was first introduced in 1950.
Absolute Maximum Operating Conditions¶
Updated January 09, 2013. shape:thin.glass.tube construction:all.glass type:diode age:1940.1950 base:b7g heater:6.3v pins:7 pin:1.a pin:2.k pin:3.h pin:4.h pin:5.a