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← PX25
Rolling Candidates to replace PX25
Power Triode — DHT — B4
⚠ Safety
Drop-In Replacements
✓
CV1040
✓
VR40
✓
P27/500
✓
LP25
✓
NR47
✓
PP5/400
Top 10 Picks
PX4
drop-in
4V
⚠ Low Pa
Rolling Candidates (28)
i
Heater:
1.5V
0
2V
0
2.1V
0
2.5V
0
4V
0
●
5V
2
6.3V
1
7V
1
7.5V
2
10V
4
show all (10)
Fit:
Drop-in
0
Adapter
0
Status:
✓ Safe
10
⚠ Low Pa
18
0 shown (target 4V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (9 additional)
Generated 2026-04-09
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