Is there a pin-compatible replacement for XH-D-2A?

Several candidates like the HCTL XHB-2A series appear to be pin-compatible, sharing the same 2.5mm pitch, 2-pin, single-row, straight configuration. However, a full pin-to-pin validation requires comparing datasheet mechanical drawings.

What risks should I check before replacing XH-D-2A?

Key risks include mechanical fit (pitch, pin length, shroud dimensions), electrical ratings (current/voltage), and material differences (housing/pin plating) that could affect durability and mating cycles. Always check the datasheet.

XH-D-2A Alternatives, Datasheet & Cross Reference | DEALON

XH-D-2A is a 2-pin, 2.5mm pitch through-hole header. When searching for a replacement, focus on candidates from the XH connector family with matching pitch, pin count, and straight orientation.

AI replacement insight

Package riskmedium

Key dimensions like 'rows' are missing. Datasheet comparison is mandatory.

Electrical risklow

Several candidates match the 3A/250V rating.

Sourcing risklow

The XH 2.5mm connector family is widely available from multiple manufacturers.

Can it be replaced directly?

No verified direct replacement is available without datasheet comparison. HCTL XHB-2A series parts are the most promising candidates for a drop-in fit.

Best replacement path

Cross-vendor XH series parts like HCTL's XHB-2A-R.

Main risk

Mechanical incompatibility due to unspecified dimensions like number of rows and pin length.

Recommended alternatives

A cross-vendor XH series header with matching specs; requires mechanical drawing review for pin-to-pin confirmation.

View details

Alternative comparison matrix

Feature / factor	XH-D-2A	XHB-2A-R	ZX-XH2.54-2PZZ-Y	640456-2	Compatibility / risk
Pitch	2.5 mm	2.5 mm	2.5 mm	2.54 mm	2.5 mm / 2.54 mm — Pitch matches target.; ZX-XH2.54-2PZZ-Y: Pitch matches target.; 640456-2: Slight mismatch may affect PCB fit or mating over distance.
Package	Through Hole Header	Through Hole	Through Hole	Through Hole Header	Through Hole / Through Hole Header — Generic package name; datasheet confirms it's a header.; ZX-XH2.54-2PZZ-Y: Generic package name; datasheet confirms it's a header.; 640456-2: Package type matches.
Current	3.0 A	3 A	3 A	Not specified	3 A / Not specified — Current rating matches.; ZX-XH2.54-2PZZ-Y: Current rating matches.; 640456-2: Rating must be verified from datasheet.
Rows	Not specified	Not specified	Not specified	1	Not specified / 1 — Number of rows not specified for either part.; ZX-XH2.54-2PZZ-Y: Number of rows not specified for either part.; 640456-2: Target rows unspecified, assumed 1.

Application & sourcing insights

Questions & answers

Parts from the XH 2.5mm connector family like HCTL's XHB-2A series or Megastar's ZX-XH2.54-2PZZ-Y are strong functional alternatives. Always verify mechanical drawings for pin length and shroud dimensions.