21HD5 — Candidate to replace following?

Beam Tetrode — Octal

Equivalents — Same Tube, Different Names

✓ 6HD5

Top 10 Picks

21EX6drop-in

21V✓ Close

Your Tube

Base: Octal

Heater: 21V / 0.6A

Type: beam tetrode

gm:10.5mA/Vra:5,500ΩIa:110mAPa:24WVs:125VCgp:0.5pF

Pinout (Octal)

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Candidates to replace (3)

Heater:

Fit:

Status:1 shown (target 21V only)

21V Heater(1 candidates)

	Tube	Status ↑	Pa	Ah	Fit
	21EX6	✓ Close	24W	0.6	drop-in

target +0 selectedpick 1+ to compareselect 1+ candidate to compare