5Y3G RCA - ST bottle, smooth black plates

This RCA 5Y3GT full-wave rectifier tube has smooth black plates and a bottom D getter. The full black octal base has red or silver print. Tube tests as new and ships in original or white box.

This 5Y3GT full-wave rectifier tube was made by RCA and labeled for other companies. It has smooth black plates and a bottom D getter. The full black octal base has red or silver print. Tube tests as new.