530470310
Molex
Needs validationlow risk
Molex 530470310 is the original PicoBlade header, offering a high-confidence, likely pin-compatible alternative.
Best Alternatives to A1251WV-3P
A1251WV-3P is a common 1.25mm pitch, 3-pin vertical through-hole header, often compatible with the Molex PicoBlade series. Key alternatives exist from major brands and clone manufacturers, but require mechanical verification.
AI replacement insight
Package riskmedium
Clones may have slight dimensional variations. Always check the mechanical drawing.
Electrical risklow
Most alternatives meet or exceed the 1A/125V rating, but verification is still needed.
Can it be replaced directly?
Direct replacement for A1251WV-3P should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The Molex 530470310 is the original PicoBlade part and the most reliable cross-reference, offering a high-confidence replacement path.
Main risk
The main risk is mechanical incompatibility. While many parts share the 1.25mm pitch, subtle differences in housing dimensions or pin length can prevent proper mating.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | A1251WV-3P | 530470310 | 1.25T-3A米色 | WAFER-MX1.25-3PZZ | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole, Vertical | Through Hole, Vertical | Through Hole, Straight | Through Hole | Through Hole, Vertical / Through Hole, Straight — Matches target's form factor.; 1.25T-3A米色: Matches target's vertical form factor.; WAFER-MX1.25-3PZZ: Orientation needs confirmation from datasheet. |
| Pitch | 1.25mm | 1.25mm | - | - | 1.25mm — Matches pitch for mating compatibility. |
| Material | Phosphor Bronze | Phosphor Bronze | Brass | Brass | Phosphor Bronze / Brass — Contact material matches target.; 1.25T-3A米色: May have lower durability than target's phosphor bronze.; WAFER-MX1.25-3PZZ: May have lower durability than target's phosphor bronze. |
| Current | 1A | Not specified | 3A | 1A | Not specified / 3A / 1A — PicoBlade series is typically 1A. Verify in datasheet.; 1.25T-3A米色: Higher current rating provides more margin.; WAFER-MX1.25-3PZZ: Matches target current rating. |
| Voltage | 125V | - | 250V | 125V | 250V / 125V — Higher voltage rating provides more margin.; WAFER-MX1.25-3PZZ: Matches target voltage rating. |
Application & sourcing insights
Questions & answers
Verified drop-in options for A1251WV-3P 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.