Is there a pin-compatible replacement for ZX-XH2.54-7PZZ?

While several candidates match the 7-pin, 2.54mm pitch layout, a true pin-compatible replacement requires verifying all mechanical dimensions, including pin length and insulator height, from the datasheets. No candidate has been pre-verified as a drop-in replacement.

What risks should I check before replacing ZX-XH2.54-7PZZ?

Key risks include: 1) Mechanical fit: Check pin length and insulator height. 2) Plating compatibility: Mismatched plating (e.g., gold vs. tin) can cause corrosion. 3) Current rating: Ensure the replacement meets or exceeds the original 2A rating.

ZX-XH2.54-7PZZ Alternatives, Datasheet & Cross Reference | Megastar

Reviewing alternatives for the Megastar ZX-XH2.54-7PZZ, a 7-pin, 2.54mm pitch male header. This guide identifies form-fit-function and functional alternatives, highlighting key differences in current rating, contact plating, and physical dimensions for engineers to consider.

AI replacement insight

Electrical risklow

Candidates have equal or better ratings.

Package riskmedium

Pin lengths and insulator dimensions must be verified.

Sourcing risklow

This is a common connector type.

Can it be replaced directly?

No drop-in replacement has been verified. However, several parts are strong form-fit-function candidates that match the 7-pin, 2.54mm pitch configuration but require datasheet verification for mechanical dimensions and plating.

Best replacement path

The best path is to select a 7-pin, 2.54mm pitch male header with a current rating of 2A or higher. Candidates like HANBO HB-PH3-25417PB2GOP offer higher performance but require checking plating compatibility.

Main risk

The main risk is mechanical incompatibility. Pin length, insulator height, and contact plating (tin vs. gold) must be verified to ensure proper mating and long-term reliability.

Recommended alternatives

A 7-pin, 2.54mm pitch header with a higher current rating (3A) and gold-plated contacts.

View details

Alternative comparison matrix

Feature / factor	ZX-XH2.54-7PZZ	HB-PH3-25417PB2GOP	PZ254V-11-07P	B7B-XH-A(LF)(SN)	Compatibility / risk
Package	Through Hole	Through Hole	Through Hole	Shrouded	Through Hole / Shrouded — Matches target mounting style.; PZ254V-11-07P: Matches target mounting style.; B7B-XH-A(LF)(SN): Shrouded body has a different footprint and volume.
Pinout	7	7	7	2.5 mm	7 / 2.5 mm — Pin count and pitch match.; PZ254V-11-07P: Pin count and pitch match.; B7B-XH-A(LF)(SN): Pitch mismatch will prevent direct PCB replacement.
Current	2.0 A	3 A	3.0 A	3 A	3 A / 3.0 A — Higher current rating is an upgrade.; PZ254V-11-07P: Higher current rating is an upgrade.; B7B-XH-A(LF)(SN): Higher current rating.
Application	Unknown	PBT/PA6T	Gold or Tin	-	PBT/PA6T / Gold or Tin — Housing material differs.; PZ254V-11-07P: Plating is ambiguous, must verify from datasheet.
Voltage	250 V	-	250 V	250 V	250 V — Voltage rating matches.; B7B-XH-A(LF)(SN): Voltage rating matches.

Application & sourcing insights

Questions & answers

Candidates like HANBO HB-PH3-25417PB2GOP and XFCN PZ254V-11-07P are strong alternatives. They match the pin count and pitch, and offer a higher current rating (3A vs 2A). However, engineers must verify mechanical dimensions and contact plating from the datasheets.