Is there a pin-compatible replacement for XH-4A-L?

Several parts appear to be pin-compatible, such as DEALON's XH-4PS. Since a true 'pin-to-pin' relation requires exact mechanical matching, a final check of the datasheet is necessary to confirm 100% compatibility with your PCB layout.

What risks should I check before replacing XH-4A-L?

Key risks include mechanical differences (pin length, housing dimensions), and electrical rating mismatches. For example, some alternatives may have a lower voltage rating. Always compare datasheets for mounting orientation, pinout, voltage, and current ratings.

XH-4A-L Alternatives, Datasheet & Cross Reference | HCTL

XH-4A-L is a common 4-pin, 2.5mm pitch straight header rated for 250V and 3A. Several form-fit-function alternates exist, but require datasheet verification for pinout and mechanical details to ensure a perfect fit.

AI replacement insight

Package risklow

The 2.5mm pitch through-hole format is highly standardized, but minor housing differences can occur.

Electrical riskmedium

Some alternatives have lower voltage ratings. Always verify V/I ratings.

Can it be replaced directly?

No replacement has been fully verified as a drop-in pin-to-pin substitute. DEALON XH-4PS is a very strong candidate that requires final datasheet review.

Best replacement path

Use a form-fit-function alternate like DEALON XH-4PS after verifying its datasheet for mechanical fit.

Main risk

Mechanical incompatibility due to slight variations in housing dimensions or pin length between manufacturers.

Recommended alternatives

Very strong electrical and form factor match. Verify mechanical drawings to confirm pin-to-pin fit.

View details

Alternative comparison matrix

Feature / factor	XH-4A-L	XH-4PS	ZX-XH2.54-4PZZ-Y	XHB-4A	Compatibility / risk
Package	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight — Mounting type matches.; ZX-XH2.54-4PZZ-Y: Mounting type matches.; XHB-4A: Mounting type matches.
Pitch	2.5mm	2.5mm	2.5mm	-	2.5mm — Pitch matches.; ZX-XH2.54-4PZZ-Y: Pitch matches.
Voltage	250V	250V	250V	50V	250V — Voltage rating matches.; ZX-XH2.54-4PZZ-Y: Voltage rating matches.; XHB-4A: Significantly lower voltage rating.
Current	3A	3A	3A	Unknown	3A / Unknown — Current rating matches.; ZX-XH2.54-4PZZ-Y: Current rating matches.; XHB-4A: Current rating not specified for this variant.
Positions	4	-	4	-	4 — Position count matches.

Application & sourcing insights

Questions & answers

Parts like DEALON XH-4PS and Megastar ZX-XH2.54-4PZZ-Y are strong candidates, matching key electrical and mechanical specs. However, verifying the full mechanical drawing from the datasheet is recommended before purchase.