The 6D3 is a Mazda miniature valve that houses a single signal diode. The special feature of the design is a slow heating cathode. This suggests that it was used as a delay switch, possibly to achieve a slow start in a stabilised power supply.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 45 mm tall.
Pin Connections
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 45 mm tall.
Pin Connections
Pin Connections
