HX MX1.25-5PWT
hanxia
Needs validationmedium risk
Strong parametric match for SMT, right-angle applications. PCB footprint requires verification.
Best Alternatives to A1251WR-S-5P
A1251WR-S-5P is a 5-pin, 1.25mm pitch, right-angle SMT header from CJT. Several functional alternatives exist, but require careful verification of the PCB footprint to ensure mechanical compatibility.
AI replacement insight
Package riskhigh
Footprint and mechanical dimensions are not verified and can vary between manufacturers.
Electrical risklow
Key electrical ratings (voltage, current) are standard and easily matched.
Can it be replaced directly?
Direct replacement for A1251WR-S-5P should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use a parametrically matching SMT right-angle connector like ZX-MX1.25-5PWT, but perform a full datasheet review to validate the PCB footprint.
Main risk
PCB layout incompatibility is the main risk. The footprint of connector substitutes can vary even if key parameters match.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | A1251WR-S-5P | HX MX1.25-5PWT | WAFER-MX1.25-5PWB | ZX-MX1.25-5PWT | Compatibility / risk |
|---|---|---|---|---|---|
| Positions | 5 | 5 | 5 | 5 | 5 — Number of positions match.; WAFER-MX1.25-5PWB: Number of positions match.; ZX-MX1.25-5PWT: Number of positions match. |
| Pitch | 1.25 mm | 1.25 mm | 1.25 mm | 1.25 mm | 1.25 mm — Connector pitch matches.; WAFER-MX1.25-5PWB: Connector pitch matches.; ZX-MX1.25-5PWT: Connector pitch matches. |
| Package | Surface Mount (SMT), 90° (Right Angle) | Surface Mount, Right Angle | Surface Mount (SMT), Right Angle | Surface Mount, Right Angle | Surface Mount, Right Angle / Surface Mount (SMT), Right Angle — Mounting type and orientation match, but footprint requires verification.; WAFER-MX1.25-5PWB: Mounting type and orientation match, but footprint requires verification.; ZX-MX1.25-5PWT: Mounting type and orientation match, but footprint requires verification. |
| Current | 1 A | 1.0 A | 1 A | 1.0 A | 1.0 A / 1 A — Current rating matches.; WAFER-MX1.25-5PWB: Current rating matches.; ZX-MX1.25-5PWT: Current rating matches. |
| Voltage | 125 V | 125 V | 125 V | 125 V | 125 V — Voltage rating matches.; WAFER-MX1.25-5PWB: Voltage rating matches.; ZX-MX1.25-5PWT: Voltage rating matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for A1251WR-S-5P 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.