Is there a pin-compatible replacement for WF-1A254A2P-Y?

Yes, several headers share the same 2.54mm pitch, 2-pin straight through-hole footprint. Candidates like BXCONN WF-1A254A2P and JST RE-H022TD-1190(LF)(SN) are expected to be pin-compatible, but always verify housing dimensions and pin lengths from the datasheet before production.

What risks should I check before replacing WF-1A254A2P-Y?

Key risks include mechanical fit, electrical ratings, and material differences. Verify the candidate's housing dimensions, pin length, and plating. Ensure voltage and current ratings meet or exceed the original's 250V, 2A specification. The target part is yellow, so confirm if color is used for assembly keying.

WF-1A254A2P-Y Alternatives, Datasheet & Cross Reference | BXCONN

WF-1A254A2P-Y is a standard 2.54mm pitch, 2-pin straight header from BXCONN. Several cross-vendor alternatives from JST and TE Connectivity exist, offering similar form, fit, and function.

AI replacement insight

Package risklow

Footprint is standard, but verify housing dimensions and pin lengths.

Electrical risklow

Ratings are common, but must be verified for each candidate.

Sourcing risklow

This is a very common connector type with many suppliers.

Can it be replaced directly?

Yes, direct replacements are available. The most direct is WF-1A254A2P, which is the same part in a different color. Other parts like JST's RE-H022TD-1190(LF)(SN) are functionally equivalent but require datasheet review for exact mechanical interchangeability.

Best replacement path

Start with the same-manufacturer part WF-1A254A2P if color is not critical. If sourcing from other vendors, JST and TE Connectivity offer viable alternatives in the same form factor.

Main risk

The main risk is ensuring precise mechanical interchangeability, as housing dimensions and pin lengths can vary slightly between manufacturers even with the same pitch and pin count.

Recommended alternatives

Same-manufacturer alternative with identical specs, differing only in housing color (standard vs. yellow).

View details

Alternative comparison matrix

Feature / factor	WF-1A254A2P-Y	WF-1A254A2P	RE-H022TD-1190(LF)(SN)	640454-2	Compatibility / risk
Package	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight	Through Hole, Straight — Mounting type and orientation match.; RE-H022TD-1190(LF)(SN): Mounting type and orientation match.; 640454-2: Mounting type and orientation match.
Pitch	2.54 mm	2.54 mm	2.54 mm	2.54 mm	2.54 mm — Pin pitch is identical.; RE-H022TD-1190(LF)(SN): Pin pitch is identical.; 640454-2: Pin pitch is identical.
Current	2A	2A	3A	Missing	2A / 3A / Missing — Current rating matches.; RE-H022TD-1190(LF)(SN): Higher current rating provides more margin.; 640454-2: Current rating not found in provided data.
Voltage	250V	250V	250V	Missing	250V / Missing — Voltage rating matches.; RE-H022TD-1190(LF)(SN): Voltage rating matches.; 640454-2: Voltage rating not found in provided data.
Color	Yellow	Standard (Black)	-	-	Standard (Black) — Target is yellow, which may be for keying.
Manufacturer	BXCONN	-	JST	TE Connectivity	JST / TE Connectivity — Cross-vendor alternative.; 640454-2: Cross-vendor alternative from a common family.

Application & sourcing insights

Questions & answers

The base part WF-1A254A2P from the same manufacturer is the closest match, differing only in color. For cross-vendor options, JST's RE-H022TD-1190(LF)(SN) and TE's 640454-2 are strong candidates with matching key dimensions.