XH-4PS
DEALON
Needs validationlow risk
A very strong functional alternative with fully matching electrical and package parameters.
Best Alternatives to XD-XHB-4A
The XUNDA XD-XHB-4A is a common 4-pin, 2.5mm pitch straight header used for wire-to-board connections. Several alternatives from other manufacturers exist, but require careful verification of mechanical dimensions before substitution.
AI replacement insight
Package riskmedium
While many XH connectors are interchangeable, slight variations in housing or pin length can cause issues.
Electrical risklow
Key ratings (3A, 250V) are standard for this connector type and easily matched by alternatives.
Can it be replaced directly?
No officially verified direct replacement is available, but several form-fit-function alternates exist that are likely pin-compatible after mechanical review.
Best replacement path
Cross-reference to other XH-series 2.5mm 4-pin straight headers like those from DEALON or Megastar.
Main risk
Mechanical footprint and housing dimension mismatch.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | XD-XHB-4A | XH-4PS | XHB-D-4A | ZX-XH2.54-4PZZ-Y | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole, Straight | Through Hole, Straight | Through Hole, Straight | Through Hole, Straight | Through Hole, Straight — Matches target mounting style.; XHB-D-4A: Matches target mounting style.; ZX-XH2.54-4PZZ-Y: Matches target mounting style.; XHB-4A: Matches target mounting style. |
| Pitch | 2.5mm | 2.5mm | 2.5mm | 2.5mm | 2.5mm — Matches target pitch.; XHB-D-4A: Matches target pitch.; ZX-XH2.54-4PZZ-Y: MPN suggests 2.54mm, but datasheet confirms 2.5mm.; XHB-4A: Matches target pitch. |
| Pin Count | 4 | 4 | 4 | 4 | 4 — Matches position count.; XHB-D-4A: Matches position count.; ZX-XH2.54-4PZZ-Y: Matches position count. |
| Current | 3A | 3A | 3A (from PDF) | 3A | 3A / 3A (from PDF) / 3A (DEALON) — Matches target current rating.; XHB-D-4A: Matches target, verified from datasheet.; ZX-XH2.54-4PZZ-Y: Matches target current rating.; XHB-4A: Other mfrs use same MPN with different specs. |
| Voltage | 250V | 250V | 250V (from PDF) | 250V | 250V / 250V (from PDF) / 250V (DEALON) — Matches target voltage rating.; XHB-D-4A: Matches target, verified from datasheet.; ZX-XH2.54-4PZZ-Y: Matches target voltage rating.; XHB-4A: Other mfrs use same MPN with different specs. |
Application & sourcing insights
Questions & answers
Parts like DEALON XH-4PS or Megastar ZX-XH2.54-4PZZ-Y are strong functional alternatives with matching electrical ratings and package style. However, you must verify mechanical dimensions.