Is there a pin-compatible replacement for HC-VH-4A4W?

JST's S4P-VH(LF)(SN) is a potential pin-compatible replacement as it belongs to the widely-used VH connector family. However, direct pin-to-pin compatibility is not guaranteed without comparing the PCB layout and mechanical drawings in the datasheets.

What risks should I check before replacing HC-VH-4A4W?

The main risks are mechanical. Ensure the replacement's PCB footprint and physical dimensions match the original. Also, verify that the current and voltage ratings are sufficient for your application, and check for any differences in housing material or temperature range.

HC-VH-4A4W Alternatives, Datasheet & Cross Reference | HCTL

HC-VH-4A4W is a 4-pin, 3.96mm pitch, right-angle through-hole header from HCTL. When seeking alternatives, focus on matching the mounting style, pitch, and electrical ratings to ensure compatibility.

AI replacement insight

Package riskmedium

Minor differences in housing or pin dimensions can prevent proper fit. Datasheet comparison is essential.

Electrical risklow

Strong candidates meet or exceed voltage/current ratings, minimizing electrical risk.

Sourcing risklow

Alternatives from major brands like JST are widely available, reducing sourcing risk.

Can it be replaced directly?

JST S4P-VH(LF)(SN) is a likely functional replacement, but mechanical verification of the PCB footprint is required before design-in.

Best replacement path

Cross-reference to established connector families like the JST VH series, such as S4P-VH(LF)(SN).

Main risk

Mechanical incompatibility due to slight differences in housing dimensions or PCB footprint between manufacturers.

Recommended alternatives

A potential alternative from CJT with a higher current rating and wider temperature range; verify mechanical fit.

View details

Alternative comparison matrix

Feature / factor	HC-VH-4A4W	A3963WR-4P	S4P-VH(LF)(SN)	Compatibility / risk
Package	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle	Through Hole, Right Angle — Mounting orientation matches.; S4P-VH(LF)(SN): Mounting orientation matches.
Current	7 A	10 A	10 A	10 A — Higher rating provides more margin.; S4P-VH(LF)(SN): Higher rating provides more margin.
Voltage	250 V AC/DC	250 V	250 V	250 V — Voltage rating matches.; S4P-VH(LF)(SN): Voltage rating matches.
Pitch	3.96 mm	3.96 mm	3.96 mm	3.96 mm — Pitch matches.; S4P-VH(LF)(SN): Pitch matches.
Temperature	Not specified	-40°C ~ +105°C	-25°C to +85°C	-40°C ~ +105°C / -25°C to +85°C — Wider operating range.; S4P-VH(LF)(SN): Verify against application requirements.

Application & sourcing insights

Questions & answers

The JST S4P-VH(LF)(SN) and CJT A3963WR-4P are strong candidates. Both are right-angle headers with the same pin count and pitch, and they offer equal or higher current ratings. However, you must verify the mechanical dimensions from the datasheets before use.