Is there a pin-compatible replacement for HC-PH-4Y?

PH-4ALT and HC-HY-4ALT are likely pin-compatible, but this requires a detailed comparison of the datasheet's mechanical drawings and the PCB layout to confirm an exact match.

What risks should I check before replacing HC-PH-4Y?

The main risk is mechanical incompatibility. Ensure the replacement has a straight/vertical orientation, single-row 1x4 pinout, and a matching SMT footprint. Also verify electrical ratings.

HC-PH-4Y Alternatives, Datasheet & Cross Reference | HCTL

HC-PH-4Y is a 4-pin, 2.0mm pitch, straight vertical SMT header from HCTL. Finding a replacement requires matching the orientation, pitch, and SMT footprint.

AI replacement insight

Package riskmedium

PCB footprint and precise mechanical dimensions must be verified against the datasheet.

Electrical risklow

Key electrical ratings match on the best candidates.

Can it be replaced directly?

No drop-in replacement is confirmed without a layout review. However, PH-4ALT and HC-HY-4ALT are strong candidates for form, fit, and function.

Best replacement path

PH-4ALT is the most promising path, with identical key parameters. HC-HY-4ALT is also a strong option from the same manufacturer.

Main risk

The primary risk is a mismatch in the PCB footprint. Many similar connectors exist with different orientations (right-angle) or row counts (dual-row).

Recommended alternatives

Strong alternative with matching pitch, pin count, orientation, and electrical ratings.

View details

Alternative comparison matrix

Feature / factor	HC-PH-4Y	PH-4ALT	HC-HY-4ALT	Compatibility / risk
Package	2.0mm Pitch Header	2.0mm Pitch Header	2.0mm Pitch Header	2.0mm Pitch Header — Package class matches.; HC-HY-4ALT: Package class matches.
Pinout	Straight/Vertical SMT	Straight/Vertical SMT	Straight/Vertical SMT	Straight/Vertical SMT — Orientation and mount type match. Footprint requires verification.; HC-HY-4ALT: Orientation and mount type match. Footprint requires verification.
Current	2A	2A	2A	2A — Current rating matches.; HC-HY-4ALT: Current rating matches.
Voltage	250V	250V	-	250V — Voltage rating matches.
Temperature	-25°C to +85°C	-25°C to +85°C	-	-25°C to +85°C — Operating temperature range matches.
Material	Nylon66	-	LCP	LCP — Housing material differs, may affect thermal properties.

Application & sourcing insights

Questions & answers

PH-4ALT by FG and HC-HY-4ALT by HCTL are strong functional alternatives with matching electrical ratings and mechanical form factor. A layout check is advised before substitution.