Is there a pin-compatible replacement for ZX-HA2.54-3PZZ?

No replacement has been verified as 100% pin-compatible without reviewing mechanical drawings. Parts like HC-2510-3A and PZ254-1-03-Z-8.5 have the same pin count, pitch, and mounting style, making them likely candidates, but housing dimensions must be confirmed.

What risks should I check before replacing ZX-HA2.54-3PZZ?

The main risk is mechanical mismatch. Before replacing, you must compare the datasheet drawings of the candidate and your original part, focusing on the housing height, width, and keying features to ensure it will mate correctly with your female connector.

ZX-HA2.54-3PZZ Alternatives, Datasheet & Cross Reference | Megastar

Finding a substitute for the Megastar ZX-HA2.54-3PZZ, a 3-pin 2.54mm straight header, involves checking key specs and mechanical fit. Several functional alternatives exist with matching or better electrical ratings.

AI replacement insight

Package riskmedium

While pin pitch and count match, housing dimensions are not guaranteed across manufacturers or series.

Electrical risklow

Several candidates offer matching or superior electrical ratings, minimizing electrical risk.

Can it be replaced directly?

There are no confirmed direct drop-in replacements. However, several parts like HC-2510-3A are strong functional alternatives that require mechanical verification.

Best replacement path

The best path is to select a cross-vendor alternative like HCTL HC-2510-3A, which offers upgraded current and temperature ratings, and then verify its mechanical drawing against your board layout and mating connector.

Main risk

The primary risk is mechanical incompatibility. The connector housing (shroud) shape and dimensions may differ, preventing a proper connection with the existing mating part.

Recommended alternatives

A 3-pin, 2.54mm pitch straight header from the same manufacturer with matching electrical ratings but from a different series.

View details

Alternative comparison matrix

Feature / factor	ZX-HA2.54-3PZZ	ZX-XH2.54-3PZZ	HC-2510-3A	PZ254-1-03-Z-8.5	Compatibility / risk
Pinout	3	3	3	3	3 — Pin count matches.; HC-2510-3A: Pin count matches.; PZ254-1-03-Z-8.5: Pin count matches.
Package	2.54mm	2.54mm	2.54mm	2.54mm	2.54mm — Pitch and mounting type match.; HC-2510-3A: Pitch and mounting type match.; PZ254-1-03-Z-8.5: Pitch and mounting type match.
Current	2.0A	2.0A	3A	3.0A	2.0A / 3A / 3.0A — Current rating is identical.; HC-2510-3A: Higher current rating is a safe upgrade.; PZ254-1-03-Z-8.5: Higher current rating is a safe upgrade.
Voltage	250V	250V	250V	-	250V — Voltage rating is identical.; HC-2510-3A: Voltage rating is identical.
Application	Brass	Phosphor Bronze	-	Gold (Au)	Phosphor Bronze / Gold (Au) — Different contact material, generally compatible.; PZ254-1-03-Z-8.5: Gold plating is an upgrade over tin.
Temperature	-25°C to +85°C (Typical)	-	-40°C to +105°C	-40°C to +105°C	-40°C to +105°C — Wider operating temperature range.; PZ254-1-03-Z-8.5: Wider operating temperature range.

Application & sourcing insights

Questions & answers

The HCTL HC-2510-3A is a strong candidate. It offers a higher current rating (3A vs 2A) and a wider temperature range while matching other key specifications. However, you must verify its mechanical dimensions before purchasing.