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Best Alternatives to HC-1.25-4A

Package: Through HoleHCTLInterconnectsNumber of Positions: 4Pitch: 1.25 mmCurrent Rating: 1 AVoltage Rating: 125 V AC/DCMounting Type: Through Hole

HC-1.25-4A is a common 4-pin, 1.25mm pitch through-hole header. Several functional alternatives exist, but require verification of mechanical dimensions for drop-in compatibility.

AI replacement insight

Package riskhigh

High until detailed mechanical drawings are compared for insulator height, pin length, and footprint.

Electrical risklow

Key electrical ratings (voltage, current) are identical across top candidates.

Can it be replaced directly?

Direct replacement for HC-1.25-4A should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Cross-reference to other manufacturers' 1.25mm pitch vertical through-hole 4-pin headers, like CJT's A1251 series or Megastar's ZX-MX1.25 series.

Main risk

Mechanical Mismatch

Recommended alternatives

3
ZX-MX1.25-4PZZ package
ZX-MX1.25-4PZZ

Megastar

Needs validationlow risk

A 4-pin, 1.25mm pitch through-hole header with matching electrical ratings. Verify mechanical fit.

View details

Alternative comparison matrix

Feature / factorHC-1.25-4AZX-MX1.25-4PZZWAFER-MX1.25-4PZZA1251WV-4PCompatibility / risk
PackageThrough Hole, StraightThrough Hole, Straight--Through Hole, Vertical — Package type and orientation match. Detailed dimensions require datasheet review.
Pinout44--4 — Pin count matches.
Pitch1.25mm1.25mm--1.25mm — Pitch matches.
Voltage125V AC/DC125V AC/DC--125V AC/DC — Voltage rating matches.
Current1A1.0A--1A — Current rating matches.
Contact MaterialBrass--Phosphor Bronze—

Application & sourcing insights

Questions & answers

Verified drop-in options for HC-1.25-4A 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.