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← UU4
UU4 — Candidate to replace following?
Rectifier — B4
⚠ Safety
Top 10 Picks
UU5
drop-in
4V
⚠ Close, low Pa
Your Tube
Base:
B4
Heater:
4V / 2.3A
Type:
rectifier
Pinout (B4)
a1
a2
k
h
Candidates to replace (1)
Fit:
Drop-in
0
Adapter
0
Status:
⚠ Close, low Pa
1
0 shown
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Generated 2026-04-09
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target +
0
selected
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select 1+ candidate to compare