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← AZ31
Rolling Candidates to replace AZ31
Rectifier — Octal
⚠ Safety
Drop-In Replacements
✓
CV2862
✓
U54
Top 10 Picks
AZ4
adapter
4V
✓ Close
AZ12
adapter
4V
✓ Safe
AZ1
adapter
4V
⚠ Close, low Pa
AZ11
adapter
4V
⚠ Close, low Pa
AZ41
adapter
4V
⚠ Close, low Pa
MU12
adapter
4V
⚠ Close, low Pa
RGN1064
adapter
4V
⚠ Close, low Pa
UU4
adapter
4V
⚠ Close, low Pa
V41
adapter
4V
⚠ Close, low Pa
IW3
adapter
4V
⚠ Close, low Pa
Rolling Candidates (93)
i
Heater:
2.5V
4
3.3V
1
4V
2
●
5V
23
6.3V
14
7.5V
0
10V
1
12.6V
2
16.8V
1
18.9V
1
19V
1
22.4V
1
25V
2
show all (13)
Fit:
Drop-in
0
Adapter
2
Status:
✓ Close
26
✓ Safe
27
⚠ Close, low Pa
22
⚠ Low Pa
18
2 shown (target 4V only)
▣ Compact
⚙ Thresholds filter
4V Heater
(2 candidates)
Tube
Status ↑
Pa
Ah
Fit
AZ4
✓ Close
—
2.3
adapter
AZ12
✓ Safe
—
2.2
adapter
Generated 2026-04-09
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