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← GZ33
Rolling Candidates to replace GZ33
Rectifier — Octal
⚠ Safety
Drop-In Replacements
✓
53KU
✓
CV378
✓
CV5745
✓
U54
Top 10 Picks
GZ32
drop-in
5V
✓ Close
5R4
drop-in
5V
✓ Safe
5Z3P
drop-in
5V
✓ Safe
GZ34
drop-in
5V
✓ Safe
5V4
drop-in
5V
⚠ Close, low Pa
5C3S
drop-in
5V
⚠ Low Pa
5U4G
drop-in
5V
⚠ Low Pa
5Y3
drop-in
5V
⚠ Low Pa
GZ37
adapter
5V
✓ Close
1641
adapter
5V
✓ Close
Rolling Candidates (93)
i
Heater:
2.5V
2
3.3V
0
4V
1
5V
8
●
6.3V
4
7.5V
0
10V
0
12.6V
0
16.8V
0
18.9V
0
19V
1
22.4V
0
25V
1
show all (13)
Fit:
Drop-in
4
Adapter
4
Status:
✓ Close
10
✓ Safe
7
⚠ Close, low Pa
48
⚠ Low Pa
28
8 shown (target 5V only)
▣ Compact
⚙ Thresholds filter
5V Heater
(8 candidates)
Tube
Status ↑
Pa
Ah
Fit
GZ32
✓ Close
—
2
drop-in
1641
✓ Close
25
W
3
adapter
GZ37
✓ Close
—
2.8
adapter
5R4
✓ Safe
—
2
drop-in
5Z3P
✓ Safe
—
3
drop-in
GZ34
✓ Safe
—
1.9
drop-in
673
✓ Safe
—
10
adapter
872A
✓ Safe
—
7.5
adapter
Generated 2026-04-09
Status legend →
User Guide →
Rolling FAQ →
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