ZX-MX1.25-4PLT
Megastar
Needs validationmedium risk
Vertical SMT 4P 1.25mm candidate with matching 1A and 125V ratings.
Best Alternatives to A1251WV-S-4P
A1251WV-S-4P is a 4-position 1.25mm vertical SMT header. Alternatives should be checked for footprint, pinout and mating fit.
AI replacement insight
Electrical risklow
kept parts match 1A and 125V
Package riskhigh
footprints are not verified
Sourcing riskmedium
lifecycle data is incomplete
Can it be replaced directly?
Direct replacement for A1251WV-S-4P should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with ZX-MX1.25-4PLT, then verify footprint, pin numbering and mating housing.
Main risk
Mechanical fit is the main risk, especially orientation and PCB land pattern.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | A1251WV-S-4P | ZX-MX1.25-4PLT | ZX-MX1.25-4PWT | WAFER-MX1.25-4PWB | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMT Header | 4-pin SMT Header | - | - | right-angle SMT — not form fit |
| Pinout | not provided | not provided | - | - | not provided — needs drawing |
| Voltage | 125 V | 125 V AC/DC | - | - | 125 V AC/DC — same rating |
| Current | 1 A | 1.0 A | - | - | 1.0 A — same rating |
| Interface | A1251 vertical | PicoBlade style | - | - | right-angle entry — cable exit changes |
Application & sourcing insights
Questions & answers
Verified drop-in options for A1251WV-S-4P 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.