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← 75TH
Rolling Candidates to replace 75TH
Power Triode — DHT — UX4
⚠ Safety
Drop-In Replacements
✓
75A3
✓
3-75A2
✓
3-75A3
✓
TB2/2005332
Top 10 Picks
300B
adapter
5V
⚠ Low Pa
350A
adapter
5V
⚠ Low Pa
01A
adapter
5V
⚠ Low Pa
71A
adapter
5V
⚠ Low Pa
UX112A
adapter
5V
⚠ Low Pa
Rolling Candidates (30)
i
Heater:
1.4V
0
1.5V
0
2V
0
2.5V
0
3.3V
0
4V
0
5V
0
●
6.3V
0
6.5V
0
7V
0
7.5V
0
10V
4
11V
2
show all (13)
Fit:
Drop-in
0
Adapter
0
Status:
✓ Safe
6
⚠ Low Pa
24
0 shown (target 5V only)
▣ Compact
⚙ Thresholds filter
No candidates match the selected filters.
Show candidates on other heater voltages (12 additional)
Generated 2026-04-09
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