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← 843
Rolling Candidates to replace 843
Power Triode — DHT — UY5
⚠ Safety
Drop-In Replacements
✓
VT-73
✓
CV639
Top 10 Picks
2A3
adapter
2.5V
✓ Safe
45
adapter
2.5V
⚠ Low Pa
Rolling Candidates (31)
i
Heater:
1.5V
0
2V
0
2.5V
1
●
3.3V
0
4V
2
5V
2
6.3V
2
6.5V
1
7V
1
7.5V
4
10V
3
show all (11)
Fit:
Drop-in
0
Adapter
1
Status:
✓ Close
1
✓ Safe
15
⚠ Low Pa
15
1 shown (target 2.5V only)
▣ Compact
⚙ Thresholds filter
2.5V Heater
(1 candidates)
Tube
Status ↑
Pa
Ah
Fit
2A3
✓ Safe
15
W
2.5
adapter
Generated 2026-04-09
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