Is there a pin-compatible replacement for WAFER-XH2.54-4PLB?

Several parts like WAFER-XH254Z-4A share the same 4-pin, 2.54mm pitch straight through-hole footprint, making them likely pin-compatible. A full pin-to-pin confirmation requires comparing the mechanical drawings in the datasheets for exact dimensions.

What risks should I check before replacing WAFER-XH2.54-4PLB?

The main risk is using a part with a lower current rating; several alternatives are rated for 2A instead of the target's 3A. Also, check for differences in housing material (e.g., PA66 vs. LCP) which can affect thermal performance and durability.

WAFER-XH2.54-4PLB Alternatives, Datasheet & Cross Reference | XUNPU

WAFER-XH2.54-4PLB is a 4-pin, 2.54mm pitch straight header from XUNPU, rated for 3A and 250V. When seeking alternatives, several options exist with matching form-factors, but careful review of current ratings and materials is required.

AI replacement insight

Electrical riskmedium

Several alternatives have a lower 2A current rating, which could cause failure in a 3A application.

Package risklow

The 4-pin 2.54mm straight header is a standard form factor with many compatible options.

Can it be replaced directly?

No verified direct drop-in replacement is listed, but WAFER-XH254Z-4A is a strong candidate for a form, fit, and function replacement, pending datasheet review.

Best replacement path

Prioritize candidates with a 3A current rating, such as WAFER-XH254Z-4A or WAFER-XH2.54-4PJK, and verify mechanical drawings.

Main risk

Electrical stress from using a substitute with a lower current rating (2A vs 3A).

Recommended alternatives

Cross-vendor alternative with matching key electrical and mechanical specifications.

View details

Alternative comparison matrix

Feature / factor	WAFER-XH2.54-4PLB	WAFER-XH254Z-4A	WAFER-XH2.54-4PJK	ZX-XH2.54-4PZZ	Compatibility / risk
Pin Count	4	4	4	4	4 — Matches; WAFER-XH2.54-4PJK: Matches; ZX-XH2.54-4PZZ: Matches
Pitch	2.54 mm	2.54 mm	-	-	2.54 mm — Matches
Package	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight — Matches mounting type and orientation.; WAFER-XH2.54-4PJK: Matches mounting type.; ZX-XH2.54-4PZZ: Matches mounting type.
Current	3 A	3 A	3 A	2 A	3 A / 2 A — Matches current rating.; WAFER-XH2.54-4PJK: Matches current rating.; ZX-XH2.54-4PZZ: Lower current rating.
Voltage	250 V	250 V	-	250 V	250 V — Matches voltage rating.; ZX-XH2.54-4PZZ: Matches voltage rating.
Housing Material	LCP	-	PA66	-	PA66 — Different housing material, check application needs.

Application & sourcing insights

Questions & answers

WAFER-XH254Z-4A from HANBO and WAFER-XH2.54-4PJK from XUNPU are strong functional alternatives with matching pin count, pitch, voltage, and current ratings. However, verify mechanical dimensions and housing material (PA66 vs. LCP) from the datasheets.