The Military JAN-CYN-217C Half Wave Rectifier by Lewis Electronics is a vintage vacuum tube designed for use in large radio transmitters. This authentic piece from the United States is a sought-after collector's item for vintage electronics enthusiasts. The unit quantity is one, making it a rare and valuable addition to any vintage audio and video collection.

 

Jumbo 4-pin bayonet (1918) (Codex=sp) Top contact with a cap.

Was used by

Transmittertube (Radio)

Filament

Vf 10 Volts / If 3.2 Ampere / Direct / Specified voltage AC/DC

Description

This tube is an uprated version of the UV217. It also has a top contact for the anode. The type number was assigned by RCA in 1926. 7.5kV PIV 150mA.

 

Dimensions (WHD)
incl. pins / tip

x 215 x 60 mm / x 8.46 x 2.36 inch

Weight

200 g / 7.05 oz