681KD14
Yageo
Needs validationmedium risk
A functional alternative with the same voltage and higher surge current, but in a larger 14mm disc package.
Best Alternatives to 681KD10
Yageo's 681KD10 is a 10mm MOV with 680V varistor voltage for overvoltage protection. While no direct drop-in replacements are identified, functional alternatives with different packages exist.
AI replacement insight
Package riskhigh
Alternatives are in a larger 14mm package, requiring a new PCB layout.
Electrical riskmedium
Some alternatives have a higher varistor voltage, which changes the protection threshold and needs review.
Can it be replaced directly?
No direct, drop-in replacement for the 681KD10 has been identified.
Best replacement path
The best path is using 681KD14 in a board redesign, as it matches key electricals and offers higher surge capacity.
Main risk
The primary risk is physical incompatibility, as all strong electrical alternatives come in a larger package.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | 681KD10 | 681KD14 | 821KD14 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Disc 10mm | Disc 14mm | Disc 14mm | Disc 14mm — Larger package requires PCB redesign.; 821KD14: Larger package requires PCB redesign. | |
| Voltage | 680V | 680V | 820V | 680V / 820V — Varistor voltage matches target.; 821KD14: Higher varistor voltage changes protection level. | |
| Current | 2.5kA | 4.5kA | 4.5kA | 4.5kA — Higher surge current capability.; 821KD14: Higher surge current capability. | |
| Manufacturer | Yageo | Yageo | Yageo | Yageo — Same manufacturer.; 821KD14: Same manufacturer. |
Application & sourcing insights
Questions & answers
Yageo's 681KD14 offers identical voltage ratings and higher surge current, but in a larger 14mm package that requires a PCB layout change.