ZX-MX1.25-4PLT
Megastar
Needs validationmedium risk
ZX-MX1.25-4PLT is the closest listed 4P 1.25mm vertical SMT alternative.
Best Alternatives to A1257WV-S-4P-LCP
A1257WV-S-4P-LCP is a 4-position 1.25mm vertical SMT wire-to-board header. Listed alternates need footprint, pinout, and mating checks.
AI replacement insight
Electrical risklow
kept parts meet 1A and exceed 50V where listed
Package riskmedium
only ZX-MX1.25-4PLT matches vertical SMT text
Firmware risklow
passive connector; no firmware impact
Sourcing riskmedium
some lifecycle/product URL fields are weak
Can it be replaced directly?
Direct replacement for A1257WV-S-4P-LCP 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, pinout, and mating housing.
Main risk
Connector mechanical and mating-interface mismatch.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | A1257WV-S-4P-LCP | ZX-MX1.25-4PLT | ZX-MX1.25-4PWT | ZX-MX1.25-4PZZ | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 4-pin SMT Header | 4-pin SMT Header | - | - | Through Hole — PCB redesign likely |
| Pinout | 4 pins | 4 pins | - | - | 4 pins — pattern not checked |
| Voltage | 50 V | 125 V | - | - | 125 V — rating higher |
| Current | 1 A | 1 A | - | - | 1 A — same rating |
| Interface | A1257 vertical | PicoBlade style | - | - | right angle — enclosure risk |
| Application | SMT board | - | - | PTH board | — |
Application & sourcing insights
Questions & answers
Verified drop-in options for A1257WV-S-4P-LCP 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.