Sensibly equivalent¶ to:
25T 3-25D3 B1109 CV789 HK24G PE130A VT-204
The 3C24 is a small American transmitting triode. This exhibit also carries the American service code VT-204 and is also known as the HK24. A larger version exists as the HK54
Inspite of its small size it produces a considerable amount of RF power up to the low VHF region.
The anode is a bell that contains the filament and grid in a coaxial arrangement.
The wide glass tube envelope is 33 mm in diameter and, excluding the UX4 base pins, is 90 mm tall.
References: Datasheet. Type 3C24 was first introduced in 1945.
Absolute Maximum Operating Conditions¶
Updated February 15, 2014. shape:wide.glass.tube construction:pinch type:triode age:1940.1950 base:ux4 heater:6.3v pin:1.f+ pin:2.- pin:3.- pin:4.f- pin:tc.a