Is there a pin-compatible replacement for HC-1.25-12PWT?

No pin-to-pin verified replacement is available. While candidates like JST SM12B-GHS-TB(LF)(SN) and Molex 532611271 match the pin count, pitch, and orientation, their physical footprints are not confirmed to be identical and require datasheet comparison.

What risks should I check before replacing HC-1.25-12PWT?

The main risks are: 1) Mechanical Fit: PCB footprints for similar connectors can vary. Always compare datasheet drawings. 2) Electrical Rating: Many alternatives have lower current (e.g., 1A vs 2A) and voltage ratings. 3) Mating Connector: Ensure the replacement header is compatible with your existing cable housing.

HC-1.25-12PWT Alternatives, Datasheet & Cross Reference | HCTL

HC-1.25-12PWT is a 12-pin, 1.25mm pitch, right-angle SMT header. Finding a direct replacement requires careful verification of the mechanical footprint and electrical ratings, as alternatives often differ.

AI replacement insight

Package riskhigh

PCB footprint is not standardized and requires datasheet verification.

Electrical riskmedium

Most alternatives have lower current and voltage ratings.

Can it be replaced directly?

No direct, verified drop-in replacement has been identified. All candidates require engineering review for PCB layout compatibility and electrical derating.

Best replacement path

Evaluate cross-vendor parts like the Molex PicoBlade series (e.g., 532611271), but this requires verifying the PCB footprint and accepting potentially lower electrical ratings.

Main risk

The primary risk is mechanical incompatibility; the PCB footprint for 1.25mm pitch right-angle headers is not standardized across manufacturers.

Recommended alternatives

A Molex PicoBlade alternative; matches pitch and orientation but requires footprint and electrical verification.

View details

Alternative comparison matrix

Feature / factor	HC-1.25-12PWT	532611271	SM12B-GHS-TB(LF)(SN)	Compatibility / risk
Package	1.25mm Pitch SMT Header	SMT Header	12-pin Header	SMT Header / 12-pin Header — Molex PicoBlade series. Footprint requires datasheet verification.; SM12B-GHS-TB(LF)(SN): Footprint requires datasheet verification for compatibility.
Orientation	Right Angle	Right Angle	Right Angle	Right Angle — Matches target's right-angle mounting.; SM12B-GHS-TB(LF)(SN): Matches target's right-angle mounting.
Current	2 A	1A (Typical)	1.0 A	1A (Typical) / 1.0 A — Likely 1A rating is a downgrade from 2A. Verify from datasheet.; SM12B-GHS-TB(LF)(SN): Significant downgrade, requires circuit analysis.
Voltage	250 V	125V (Typical)	50 V	125V (Typical) / 50 V — Likely 125V rating is a downgrade from 250V. Verify from datasheet.; SM12B-GHS-TB(LF)(SN): Significant downgrade, requires circuit analysis.
Series	HCTL HC-1.25	Molex PicoBlade 53261	-	Molex PicoBlade 53261 — Common cross-family for 1.25mm pitch connectors.

Application & sourcing insights

Questions & answers

The Molex 532611271 is a potential alternative from the popular PicoBlade series. However, you must verify its PCB footprint and ensure its electrical ratings (typically 1A/125V) are sufficient, as the target is rated for 2A/250V.