FM4007
LGE
Needs validationlow risk
Excellent candidate with matching key electricals and package. FM4007 is a standard industry part number.
Best Alternatives to SM4007PL A7
SM4007PL A7 is a standard 1000V, 1A general-purpose rectifier in a compact SOD-123FL package. Finding a substitute involves matching these key ratings and the standard recovery time.
AI replacement insight
Package risklow
SOD-123FL is a standard package.
Electrical riskmedium
Must match diode type (general purpose) and verify Vf, Ir, and Ifsm ratings.
Sourcing risklow
This is a common, high-volume component type.
Can it be replaced directly?
Direct replacement for SM4007PL A7 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use another '4007' type general-purpose rectifier in a SOD-123FL package, such as SM4007PL or FM4007.
Main risk
The main risk is accidentally using a fast-recovery diode, which can have a higher forward voltage and different switching characteristics.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | SM4007PL A7 | FM4007 | SM4007PL | US2MW | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD-123FL | SOD-123FL | SOD-123FL | SOD-123FL | SOD-123FL — Same package and pin count.; SM4007PL: Same package and pin count.; US2MW: Same package and pin count. |
| Voltage | 1000V | 1000V | 1000V | 1000V | 1000V — Reverse voltage matches.; SM4007PL: Reverse voltage matches.; US2MW: Reverse voltage matches. |
| Current | 1.0A | 1.0A | 1.0A | 2.0A | 1.0A / 2.0A — Forward current matches.; SM4007PL: Forward current matches.; US2MW: Higher forward current capability. |
| Forward Voltage | 1.1V | 1.1V | 1.1V | 1.7V | 1.1V / 1.7V — Forward voltage matches.; SM4007PL: Forward voltage matches.; US2MW: Higher Vf increases power loss. |
| Reverse Leakage | 5uA | 5uA | - | - | 5uA — Reverse leakage matches. |
| Surge Current | 30A | - | 25A | - | 25A — Slightly lower than target. |
| Diode Type | General Purpose | - | - | Ultrafast (75ns) | Ultrafast (75ns) — Target is general purpose. |
Application & sourcing insights
Questions & answers
Verified drop-in options for SM4007PL A7 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.