Is there a pin-compatible replacement for VH-2Y?

Yes, the JST VHR-2N is a form-fit compatible housing from the original manufacturer series. The Megastar ZX-VH3.96-2PJK is also mechanically compatible but has a lower current rating.

What risks should I check before replacing VH-2Y?

Always verify mechanical dimensions from datasheets to ensure a perfect fit. If considering lower-cost alternatives like the Megastar ZX-VH3.96-2PJK, you must confirm its lower 3A current rating is acceptable for your application.

VH-2Y Alternatives, Datasheet & Cross Reference | ZHOURI

VH-2Y is a 2-position, 3.96mm pitch wire-to-board connector housing. The best alternative is the original JST VHR-2N, which offers a higher current rating and is fully form-fit compatible.

AI replacement insight

Package risklow

Candidates are from the same VH connector family, but datasheet verification of dimensions is always prudent.

Electrical riskmedium

Risk is present if selecting a part with a lower current rating (e.g., 3A vs. 5A). Upgrades pose minimal electrical risk.

Can it be replaced directly?

Yes, the JST VHR-2N is a direct form-fit replacement from the original manufacturer series and serves as an electrical upgrade.

Best replacement path

The JST VHR-2N is the recommended upgrade path, as it is the original part with superior electrical specifications.

Main risk

The primary risk is selecting a compatible housing with a lower current rating, which could lead to circuit failure under load.

Recommended alternatives

JST VHR-2N is the original VH series housing with a higher 10A current rating, serving as an upgrade.

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Alternative comparison matrix

Feature / factor	VH-2Y	VHR-2N	ZX-VH3.96-2PJK	Compatibility / risk
Package	Housing	Housing	Connector Housing	Housing / Connector Housing — Both are VH series 3.96mm housings.; ZX-VH3.96-2PJK: Both are VH series 3.96mm housings.
Current	5 A	10 A	3 A	10 A / 3 A — Candidate has a higher current rating.; ZX-VH3.96-2PJK: Candidate has a lower current rating.
Voltage	250 V	250 V	250 V	250 V — Voltage rating matches.; ZX-VH3.96-2PJK: Voltage rating matches.
Manufacturer	ZHOURI	JST	-	JST — Candidate is from the original series designer.

Application & sourcing insights

Questions & answers

The best alternative is the JST VHR-2N. It is the original part from the JST VH series and offers a higher current rating (10A vs. 5A), making it a robust upgrade.