FM55X474K631EFG
Prosperity Dielectrics Co., Ltd.
Needs validationhigh risk
FM55X474K631EFG is a lower-capacitance 2220 X7R option needing design review.
Best Alternatives to FS55X105K631EHG
FS55X105K631EHG is a 1uF 630V X7R 2220 MLCC. Listed candidates need review because none match the target capacitance.
AI replacement insight
Electrical riskhigh
kept parts have lower capacitance
Package riskmedium
2220 listed, dimensions need check
Firmware risklow
passive component
Sourcing riskmedium
lifecycle data is incomplete
Can it be replaced directly?
No verified pin-compatible direct replacement is supported by the provided fields.
Best replacement path
Search for a 1uF 630V X7R ±10% 2220 MLCC with confirmed 2-terminal case and temperature range.
Main risk
Capacitance loss and voltage derating are the main risks.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | FS55X105K631EHG | FM55X474K631EFG | FM55X334K631EFG | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2220 5763 | 2220 5763 | 2220 5750 | 2220 5763 / 2220 5750 — same case string; FM55X334K631EFG: 2220 nominal | |
| Pinout | 2 pins | 2 pins | 2 pins | 2 pins — count only; FM55X334K631EFG: count only | |
| Voltage | 630V | 630V | 630V | 630V — no 1.1x margin; FM55X334K631EFG: no 1.1x margin | |
| Tolerance | ±10% | ±10% | ±10% | ±10% — same; FM55X334K631EFG: same | |
| Application | 1uF X7R | 470nF X7R | 330nF X7R | 470nF X7R / 330nF X7R — 47% capacitance; FM55X334K631EFG: 33% capacitance |
Application & sourcing insights
Questions & answers
None is a direct match. FM55X474K631EFG is the closest listed candidate but is only 470nF.