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← 1641
Rolling Candidates to replace 1641
Rectifier — DHT — UX4
⚠ Safety
Drop-In Replacements
✓
RK60
✓
GL-1641
✓
CV3680
Top 10 Picks
5R4
adapter
5V
✓ Close
673
adapter
5V
✓ Close
872A
adapter
5V
✓ Close
274A
adapter
5V
⚠ Close, low Pa
5C3S
adapter
5V
⚠ Close, low Pa
5C4S
adapter
5V
⚠ Close, low Pa
5CU4
adapter
5V
⚠ Close, low Pa
5T4
adapter
5V
⚠ Close, low Pa
5Ts4S
adapter
5V
⚠ Close, low Pa
5U4G
adapter
5V
⚠ Close, low Pa
Rolling Candidates (77)
i
Heater:
2.5V
2
3.3V
0
4V
0
5V
3
●
6.3V
1
10V
0
12.6V
0
16.8V
0
18.9V
0
22.4V
0
25V
1
show all (11)
Fit:
Drop-in
0
Adapter
3
Status:
✓ Close
7
⚠ Close, low Pa
70
3 shown (target 5V only)
▣ Compact
⚙ Thresholds filter
5V Heater
(3 candidates)
Tube
Status ↑
Pa
Ah
Fit
5R4
✓ Close
—
2
adapter
673
✓ Close
—
10
adapter
872A
✓ Close
—
7.5
adapter
Generated 2026-04-09
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