RS1ML
Taiwan Semiconductor Corporation
Needs validationlow risk
Excellent pin-compatible alternative with matching package and key electrical parameters including V, I, Vf, and recovery time.
Best Alternatives to FR107 F7
Find pin-compatible and functional alternatives for the FR107 F7 fast recovery diode. This guide compares key parameters like voltage, current, recovery time, and package to help you select a suitable replacement.
AI replacement insight
Electrical riskmedium
Must match fast recovery time (trr ≤ 500ns) and verify forward voltage (Vf) to manage thermal performance.
Package risklow
Ensure the replacement is in the same SOD-123FL surface-mount package.
Sourcing risklow
Multiple cross-vendor options like RS1ML and other FR107s are available.
Can it be replaced directly?
Direct replacement for FR107 F7 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use RS1ML for a direct drop-in or other FR107 variants in the same SOD-123FL package.
Main risk
The main risk is substituting with a standard recovery diode (like 1N4007) instead of a fast recovery diode, which can cause circuit failure.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | FR107 F7 | RS1ML | FR107 | US1MW | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD-123FL | SOD-123FL | - | - | SOD-123FL — Form and fit match. |
| Voltage | 1000V | 1000V | - | - | 1000V — Rating matches. |
| Current | 1A | 1A | - | - | 1A — Rating matches. |
| Trr | 500ns | 500ns | - | - | 75ns — Faster recovery is an upgrade. |
| Vf | 1.3V | 1.3V | - | - | 1.7V — Higher Vf increases power loss. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FR107 F7 are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.