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

While several parts are likely pin-compatible as they belong to the same XH connector family, a pin-to-pin match has not been verified. Reviewing the mechanical drawings is required to confirm a drop-in fit.

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

Check three main things: 1) Ensure the voltage and current ratings are equal or higher. 2) Verify the mechanical drawing for housing dimensions and pin length to ensure it fits your PCB and mates correctly. 3) Confirm the mounting orientation is straight, not right-angle.

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

HC-XHB-4A-L is a common 4-pin, 2.5mm pitch straight header. Several cross-vendor alternatives exist, but require verification of mechanical dimensions and electrical ratings before substitution.

AI replacement insight

Package riskmedium

Subtle differences in housing dimensions across vendors can cause fit issues.

Electrical risklow

For matched candidates, electrical specs are standard. Risk is high for unverified parts.

Can it be replaced directly?

No datasheet-verified pin-to-pin replacement is confirmed, but several strong functional alternatives from the XH connector family are available.

Best replacement path

Use a cross-vendor XH-series equivalent like Megastar ZX-XH2.54-4PZZ-Y or DEALON XH-4PS, after verifying the datasheet for pinout and dimensions.

Main risk

The primary risk is mechanical incompatibility from subtle differences in housing dimensions or pin lengths, even with matching pitch and pin count.

Recommended alternatives

A strong alternative with matching electrical ratings and key physical parameters; requires mechanical verification.

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Alternative comparison matrix

Feature / factor	HC-XHB-4A-L	XH-4PS	ZX-XH2.54-4PZZ-Y	Compatibility / risk
Package	Through Hole	Through Hole	Through Hole	Through Hole — Mounting type matches.; ZX-XH2.54-4PZZ-Y: Mounting type matches.
Pitch	2.5mm	2.5mm	2.5mm	2.5mm — Pitch matches.; ZX-XH2.54-4PZZ-Y: Pitch matches.
Pinout	4	4	4	4 — Position count matches, but full pinout requires datasheet review.; ZX-XH2.54-4PZZ-Y: Position count matches, but full pinout requires datasheet review.
Voltage	250V	250V	250V	250V — Voltage rating matches.; ZX-XH2.54-4PZZ-Y: Voltage rating matches.
Current	3A	3A	3A	3A — Current rating matches.; ZX-XH2.54-4PZZ-Y: Current rating matches.

Application & sourcing insights

Questions & answers

Megastar's ZX-XH2.54-4PZZ-Y and DEALON's XH-4PS are strong alternatives, matching key electrical and physical specs. Always verify the datasheet drawing before ordering.