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← 25AX4
Rolling Candidates to replace 25AX4
Rectifier — Octal
⚠ Safety
Drop-In Replacements
✓
25AX4GT
Top 10 Picks
25DK3
adapter
25V
✓ Safe
Rolling Candidates (93)
i
Heater:
2.5V
4
3.3V
0
4V
0
5V
2
6.3V
7
7.5V
0
10V
1
12.6V
2
16.8V
1
18.9V
1
19V
1
22.4V
1
25V
1
●
show all (13)
Fit:
Drop-in
0
Adapter
1
Status:
✓ Close
11
✓ Safe
10
⚠ Close, low Pa
28
⚠ Low Pa
44
1 shown (target 25V only)
▣ Compact
⚙ Thresholds filter
25V Heater
(1 candidates)
Tube
Status ↑
Pa
Ah
Fit
25DK3
✓ Safe
9
W
0.45
adapter
Generated 2026-04-09
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