Is there a pin-compatible replacement for B6B-XH-A-GU?

While several parts like HCZZ0514-6 are functionally and mechanically similar, true pin-to-pin compatibility must be verified by comparing datasheet drawings to ensure the housing and PCB footprint are identical.

What risks should I check before replacing B6B-XH-A-GU?

When using a cross-vendor alternative, the main risks are slight differences in mechanical dimensions affecting PCB fit and housing shape affecting mating connector compatibility. Always verify the datasheet drawings.

B6B-XH-A-GU Alternatives, Datasheet & Cross Reference | JST

The JST B6B-XH-A-GU is a 6-pin, 2.5mm pitch straight through-hole header. Several cross-vendor alternatives exist that match key specifications but require mechanical verification before use.

AI replacement insight

Package risklow

Key dimensions match, but full drawing verification is required for cross-vendor parts.

Electrical risklow

Voltage and current ratings match the target.

Can it be replaced directly?

No direct pin-to-pin replacement from JST was found among the candidates. Cross-vendor parts like HCZZ0514-6 are available but require engineering review to confirm mechanical interchangeability.

Best replacement path

Use a cross-vendor XH-compatible straight header like HCZZ0514-6 or HC-XH-6A-G after verifying mechanical drawings from the datasheets.

Main risk

Mechanical incompatibility due to slight dimensional differences between manufacturers, which could affect PCB fit or mating.

Recommended alternatives

Alternative from HCTL with matching key specs; datasheet review is needed to confirm dimensional interchangeability.

View details

Alternative comparison matrix

Feature / factor	B6B-XH-A-GU	HC-XH-6A-G	HCZZ0514-6	Compatibility / risk
Package	Through Hole, Straight	Through Hole, Straight	Through Hole, Vertical	Through Hole, Straight / Through Hole, Vertical — Matches target's straight orientation.; HCZZ0514-6: Matches target's straight orientation.
Pin Count	6	6	6	6 — matched; HCZZ0514-6: matched
Pitch	2.5mm	2.5mm	2.5mm	2.5mm — matched; HCZZ0514-6: matched
Voltage	250V	250V	250V	250V — matched; HCZZ0514-6: matched
Current	3A	3A	3A	3A — matched; HCZZ0514-6: matched

Application & sourcing insights

Questions & answers

HCZZ0514-6 and HC-XH-6A-G are strong functional alternatives with matching pin count, pitch, and straight mounting. As they are from different manufacturers, datasheet review is required to confirm mechanical dimensions.