Needs validationlow risk
JST S3B-XH-A(LF)(SN) is a 3-pin, 2.5mm pitch, right-angle header from the original XH series, matching key electrical and mechanical specs.
Best Alternatives to ZX-XH2.54-3PLT
Find the best replacements for the Megastar ZX-XH2.54-3PLT, a 3-pin, 2.5mm pitch right-angle header. Explore pin-compatible alternatives and functional substitutes from leading brands like JST.
AI replacement insight
Package riskmedium
Clones may have slight dimensional differences. Always check the datasheet drawing.
Electrical risklow
Most XH clones match the 3A/250V rating, but verification is required.
Sourcing risklow
The XH series is a popular standard with many manufacturers, ensuring good availability.
Can it be replaced directly?
Direct replacement for ZX-XH2.54-3PLT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most reliable replacement path is using a cross-vendor family part from JST, the S3B-XH-A(LF)(SN), which created the XH series standard.
Main risk
The primary risk is mechanical incompatibility. While many 'XH-style' connectors exist, minor variations in housing dimensions or pin placement can cause assembly issues.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | ZX-XH2.54-3PLT | S3B-XH-A(LF)(SN) | XH-3AW | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Family | Megastar XH Series Clone | JST XH Series | - | JST XH Series — Candidate is from the original, industry-standard XH series. | |
| Pin Count | 3 | 3 | - | 3 — matched | |
| Pitch | 2.5mm | 2.5mm | 2.5mm | 2.5mm — matched; XH-3AW: matched | |
| Package | Through Hole, Right Angle | Through Hole, Right Angle | Right-angle | Through Hole, Right Angle / Right-angle — Both are right-angle through-hole headers.; XH-3AW: Both are right-angle through-hole headers. | |
| Current | 3A | 3A | 2A / 3A | 3A / 2A / 3A — matched; XH-3AW: Conflicting data; one source indicates a lower 2A rating. |
Application & sourcing insights
Questions & answers
Verified drop-in options for ZX-XH2.54-3PLT 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.