Is there a pin-compatible replacement for XHB-D-4A?

Yes, parts from the same XH 2.5mm series, such as DEALON XHB-4A, are highly likely to be pin-compatible. However, it is critical to verify the mechanical drawing in the datasheet to confirm the PCB footprint and dimensions before production.

What risks should I check before replacing XHB-D-4A?

Key risks include mechanical fit, mating compatibility, and electrical ratings. Ensure the substitute has the same 2.5mm pitch, straight pin orientation, and PCB footprint. Also, confirm it mates correctly with your existing housing and that its voltage and current ratings are sufficient.

XHB-D-4A Alternatives, Datasheet & Cross Reference | DEALON

XHB-D-4A is a 4-pin, single-row, 2.5mm pitch straight header from DEALON's XH series. Finding a substitute requires matching the footprint, pin orientation, and compatibility with the widely available XH connector family.

AI replacement insight

Package riskmedium

Footprint must be verified via datasheet as minor differences exist between clones.

Electrical risklow

Most XH clones match the typical 3A/250V rating, but this should be confirmed.

Sourcing risklow

The XH 2.5mm connector system is a multi-sourced industry standard with many manufacturers.

Can it be replaced directly?

DEALON XHB-4A is a very likely direct replacement, pending confirmation of the '-D-' suffix. Cross-vendor XH-compatible parts are also viable but require footprint verification.

Best replacement path

Start with other DEALON XH series parts like XHB-4A, then evaluate cross-vendor XH 2.5mm clones after datasheet verification.

Main risk

Mechanical incompatibility. While many 'XH 2.5mm' clones exist, slight variations in plastic housing or pin length can cause assembly or mating issues.

Recommended alternatives

A very strong alternative from the same manufacturer, likely differing only by a minor suffix variation.

View details

Alternative comparison matrix

Feature / factor	XHB-D-4A	XHB-4A	XH-4PS	ZX-XH2.54-4PZZ-Y	Compatibility / risk
Gender	Header, Male Pins	Header, Male Pins	Header, Male Pins	-	Header, Male Pins — Matches target type.; XH-4PS: Matches target type.
Package	Through Hole, Straight	Through Hole, Straight	Through Hole	Through Hole, Straight	Through Hole, Straight — Mounting type and orientation match.; XH-4PS: Mounting type and orientation match.; ZX-XH2.54-4PZZ-Y: Mounting type and orientation match.
Pitch	2.5mm	2.5mm	2.5mm	2.5mm	2.5mm — Pin pitch is identical.; XH-4PS: Pin pitch is identical.; ZX-XH2.54-4PZZ-Y: MPN suggests 2.54mm, spec says 2.5mm. Verification needed.
Pin Count	4	4	-	4	4 — Position count is identical.; ZX-XH2.54-4PZZ-Y: Position count is identical.
Manufacturer	DEALON	DEALON	-	-	DEALON — Same manufacturer as target.
Electrical	3A / 250V (typical)	-	3A / 250V	3A / 250V	3A / 250V — Ratings are comparable.; ZX-XH2.54-4PZZ-Y: Ratings are comparable.

Application & sourcing insights

Questions & answers

DEALON's XHB-4A and XH-4PS are strong candidates from the same manufacturer, likely differing only by minor variations. For cross-vendor options, parts like Megastar's ZX-XH2.54-4PZZ-Y from the XH family should be evaluated for footprint compatibility.