Is there a pin-compatible replacement for S4P-VH(LF)(SN)?

A3963WR-4P from CJT appears to be a form, fit, and function match, making it a likely pin-compatible candidate. A detailed comparison of the datasheet mechanical drawings is required to confirm 100% drop-in compatibility.

What risks should I check before replacing S4P-VH(LF)(SN)?

Key risks include mechanical footprint differences between manufacturers and electrical rating mismatches. Some alternatives may have a lower current rating (e.g., 7A vs. 10A), which could be unsafe for the application.

S4P-VH(LF)(SN) Alternatives, Datasheet & Cross Reference | JST

S4P-VH(LF)(SN) is a 4-pin, 3.96mm pitch, right-angle through-hole header from JST's VH series, rated for 10A and 250V. This page provides analysis of potential replacements.

AI replacement insight

Package riskmedium

Cross-vendor parts require footprint verification.

Electrical risklow

Strong candidates match or exceed key ratings, but weaker options exist.

Can it be replaced directly?

A direct, drop-in replacement is not confirmed without datasheet validation. A3963WR-4P is the strongest candidate for a form-fit-function replacement.

Best replacement path

A3963WR-4P is the most promising path, offering equivalent or better specs. Verify its footprint from the datasheet.

Main risk

The main risk is ensuring the PCB footprint of any alternative perfectly matches the JST original, as minor dimensional differences can prevent assembly.

Recommended alternatives

A cross-vendor alternative from CJT with matching electrical ratings, orientation, and a wider temperature range.

View details

Alternative comparison matrix

Feature / factor	S4P-VH(LF)(SN)	A3963WR-4P	HC-VH-4A4W	Compatibility / risk
Package	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle — Mounting orientation and type match.; HC-VH-4A4W: Mounting orientation and type match.
Current	10 A	10 A	7 A	10 A / 7 A — Current rating matches.; HC-VH-4A4W: Lower current rating is a significant downgrade.
Voltage	250 V	250 V	250 V	250 V — Voltage rating matches.; HC-VH-4A4W: Voltage rating matches.
Temperature	-25°C to +85°C	-40°C to +105°C	-	-40°C to +105°C — Candidate has a wider operating temperature range.

Application & sourcing insights

Questions & answers

A3963WR-4P from CJT is a strong functional alternative with matching electrical ratings, mounting style, and a wider operating temperature range. However, verifying the mechanical footprint against the datasheet is recommended.