1N4007(M7)SMA
NK Technologies
Needs validationlow risk
Pin-compatible general-purpose rectifier based on the 1N4007 standard.
Best Alternatives to M7A
The M7A is a standard 1A, 1000V general-purpose rectifier in a common SMA package. Several pin-compatible alternatives and functional upgrades are available from various manufacturers.
AI replacement insight
Electrical riskmedium
Risk of using a functionally different diode type (e.g., fast recovery vs. general purpose).
Package risklow
The SMA (DO-214AC) package is highly standardized, minimizing physical compatibility issues.
Can it be replaced directly?
Direct replacement for M7A should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use an industry-standard 'M7' diode like NK Technologies' M7(SMA) or 1N4007(M7)SMA for a direct, low-risk replacement.
Main risk
The main risk is accidentally using a fast, superfast, or ultra-fast recovery diode (like RS1M or ES1M) which may have different forward voltage or switching characteristics not suitable for the application.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | M7A | 1N4007(M7)SMA | M7(SMA) | M20 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMA (DO-214AC) | SMA | SMA (DO-214AC) | SMA (DO-214AC) | SMA / SMA (DO-214AC) — Package matches, ensuring physical compatibility.; M7(SMA): Package matches, ensuring physical compatibility.; M20: Package matches, ensuring physical compatibility.; RS1M: Package matches, ensuring physical compatibility. |
| Diode Type | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose / Fast Recovery — Functionally identical diode type based on JEDEC standard.; M7(SMA): Functionally identical diode type.; M20: Functionally identical diode type.; RS1M: Candidate is a Fast Recovery diode, target is General Purpose. |
| Voltage | 1000.0V | 1000.0V | 1000.0V | 2000.0V | 1000.0V / 2000.0V — Voltage rating matches the target's requirement.; M7(SMA): Voltage rating matches the target's requirement.; M20: Higher voltage rating provides increased design margin.; RS1M: Voltage rating matches. |
| Current | 1.0A | 1.0A | 1.0A | 1.0A | 1.0A — Current rating matches the target's requirement.; M7(SMA): Current rating matches the target's requirement.; M20: Current rating matches the target's requirement.; RS1M: Current rating matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for M7A 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.