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The Triotron G470 is a directly heated full wave rectifier.

This enhanced image shows the Triotron logo and Type designation.

The twin anode sections.

The top mica. The filament ribbons are oxide coated and held under tension by the springs.

The classic envelope is 44 mm in diameter and, excluding the B4 base pins, is 103 mm tall.

Reference: Data. Type G470 was first introduced in 1931. See also 1931 adverts.

Pin Connections

Absolute Maximum Operating Conditions^¶