What risks should I check before replacing HC-ZH1.5-3A?

Before replacing HC-ZH1.5-3A, you should check for mechanical differences. Verify the housing dimensions, pin length, and PCB footprint from the datasheets to ensure a perfect fit on your board and with the mating connector.

HC-ZH1.5-3A Alternatives, Datasheet & Cross Reference | HCTL

Find pin-compatible replacements and functional alternatives for the HC-ZH1.5-3A, a 3-pin 1.5mm pitch header. The best substitutes include original JST ZH series parts like B3B-ZR(LF)(SN).

AI replacement insight

Electrical risklow

Key electrical ratings (50V, 1A) are standard for this series and easily matched.

Package riskmedium

While pin pitch is standard, housing dimensions and pin lengths can vary slightly between manufacturers. Datasheet verification is crucial.

Sourcing risklow

The JST ZH series and its clones are widely available from multiple manufacturers, ensuring good supply chain options.

Can it be replaced directly?

Direct replacement for HC-ZH1.5-3A should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The best replacement is B3B-ZR(LF)(SN) from JST, the original manufacturer of the ZH connector series, as it offers the highest confidence for compatibility.

Main risk

The primary risk when substituting connectors is ensuring the mechanical dimensions (housing, pin length, and PCB footprint) are identical to avoid assembly issues.

Recommended alternatives

JST B3B-ZR(LF)(SN) is a pin-compatible header from the original series manufacturer with matching key electricals.

View details

Alternative comparison matrix

Feature / factor	HC-ZH1.5-3A	B3B-ZR(LF)(SN)	B3B-ZR-3.4(LF)(SN)	ZX-ZH1.5-3PLT	Compatibility / risk
Manufacturer	HCTL	JST	JST	Megastar	JST / Megastar — Original manufacturer of the ZH series.; B3B-ZR-3.4(LF)(SN): Original manufacturer of the ZH series.; ZX-ZH1.5-3PLT: Cross-vendor alternative.
Package	Through Hole, Vertical	Through Hole, Vertical	Through Hole, Vertical	Through Hole, Vertical	Through Hole, Vertical — Mounting type and orientation match.; B3B-ZR-3.4(LF)(SN): Mounting type and orientation match.; ZX-ZH1.5-3PLT: Mounting type and orientation match.
Pinout	3 / 1.5mm	3 / 1.5mm	3 / 1.5mm	3 / 1.5mm	3 / 1.5mm — Pin count and pitch match.; B3B-ZR-3.4(LF)(SN): Pin count and pitch match. '-3.4' suffix may indicate a specific pin length.; ZX-ZH1.5-3PLT: Pin count and pitch match.
Voltage	50V / 1A	50V / 1A	50V / 1A	250V	50V / 1A / 250V — Ratings match.; B3B-ZR-3.4(LF)(SN): Ratings match.; ZX-ZH1.5-3PLT: Higher voltage rating is a safe upgrade.
Temperature	Not specified	-25°C to +85°C	-	-40°C to +105°C	-25°C to +85°C / -40°C to +105°C — Slightly different range, verify application requirements.; ZX-ZH1.5-3PLT: Wider operating range.

Application & sourcing insights

Questions & answers

Verified drop-in options for HC-ZH1.5-3A are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.