Is there a pin-compatible replacement for ZX-GH1.25-WT4?

Currently, no replacement has been confirmed to be 100% pin-compatible without review. Candidates like XD-1.25-4PWT are likely form-fit-function compatible, but require engineers to compare mechanical drawings before ordering.

What risks should I check before replacing ZX-GH1.25-WT4?

Before replacing, you must verify two main things: 1) The mechanical footprint of the substitute matches your PCB layout by checking the datasheet drawing. 2) The substitute's voltage rating is 125V or higher to match the original part's specification.

ZX-GH1.25-WT4 Alternatives, Datasheet & Cross Reference | Megastar

Find and compare alternatives for the Megastar ZX-GH1.25-WT4, a 4-pin 1.25mm pitch right-angle SMT header. This guide reviews potential substitutes, highlighting critical differences in voltage and mechanical fit.

AI replacement insight

Package riskmedium

Subtle differences in housing dimensions or solder pad layout can prevent a fit. Datasheet verification is critical.

Electrical riskhigh

Several candidates have a lower voltage rating (50V vs 125V), which could lead to failure if not acceptable for the application.

Can it be replaced directly?

No drop-in, verified pin-to-pin replacement has been identified. The closest candidate, XD-1.25-4PWT, requires datasheet review to confirm its mechanical footprint.

Best replacement path

XD-1.25-4PWT by XUNDA is the strongest candidate with matching electrical ratings, but requires mechanical footprint verification from its datasheet.

Main risk

The primary risks are mechanical incompatibility from subtle package differences and electrical overstress from substitutes with lower voltage ratings.

Recommended alternatives

A 4-pin, 1.25mm pitch SMT header with matching voltage and current ratings.

View details

Alternative comparison matrix

Feature / factor	ZX-GH1.25-WT4	XD-1.25-4PWT	1.25T-4P卧贴	HCZZ0014-4	Compatibility / risk
Package	1.25mm Pitch SMT Header	1.25mm Pitch SMT	1.25mm Pitch SMT Header	1.25mm Pitch SMT Header	1.25mm Pitch SMT / 1.25mm Pitch SMT Header — Slightly different name, requires mechanical check.; 1.25T-4P卧贴: Package and mounting type match.; HCZZ0014-4: Package and mounting type match.
Voltage	125 V AC/DC	125 V	50 V	50 V	125 V / 50 V — Voltage rating matches target.; 1.25T-4P卧贴: Significantly lower than target's 125V.; HCZZ0014-4: Significantly lower than target's 125V.
Current	1.0 A AC/DC	1 A	1.0 A	1.0 A	1 A / 1.0 A — Current rating matches target.; 1.25T-4P卧贴: Current rating matches.; HCZZ0014-4: Current rating matches.
Pinout	Surface Mount, Right Angle	Surface Mount, Right Angle	-	-	Surface Mount, Right Angle — Mounting type and orientation match.

Application & sourcing insights

Questions & answers

The most promising alternative is XD-1.25-4PWT from XUNDA, as it matches key electrical ratings. However, you must verify its mechanical dimensions from the datasheet to ensure it fits your PCB layout.