HC-1.25-3PLT
HCTL
Needs validationmedium risk
A strong functional alternative with matching orientation and superior electrical ratings. Requires a PCB layout change for SMT mounting.
Best Alternatives to ZX-MX1.25-3PZZ
Finding a substitute for the Megastar ZX-MX1.25-3PZZ, a 3-pin 1.25mm through-hole header, requires careful review. While no direct drop-in replacements have been identified, several surface-mount (SMT) functional alternatives exist that may be suitable for a board redesign.
AI replacement insight
Package riskhigh
Requires PCB redesign from THT to SMT. Footprint and assembly process are different.
Electrical risklow
Most candidates match or exceed key electrical ratings. One candidate has a lower voltage rating.
Sourcing riskmedium
Mating connector compatibility must be verified, which could affect the overall bill of materials.
Can it be replaced directly?
No direct drop-in replacement has been identified. The primary difference is the mounting style: the target is through-hole, while alternatives are surface-mount.
Best replacement path
Board redesign using a vertical SMT header like HC-1.25-3PLT, which offers upgraded electrical specs.
Main risk
Mechanical incompatibility. A PCB layout change is required to switch from a through-hole to a surface-mount footprint.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | ZX-MX1.25-3PZZ | HC-1.25-3PLT | HC-1.25-3PWT | WAFER-GH1.25-3PLB | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole | Surface Mount (SMT) | Surface Mount (SMT) | Surface Mount (SMT) | Surface Mount (SMT) — Candidate is SMT, target is THT. Requires PCB redesign.; HC-1.25-3PWT: Candidate is SMT, target is THT. Requires PCB redesign.; WAFER-GH1.25-3PLB: Candidate is SMT, target is THT. Requires PCB redesign.; WAFER-MX1.25-3PWB: Candidate is SMT, target is Through-Hole (THT). Requires PCB redesign. |
| Pinout | Straight | Vertical | Right-Angle | Vertical | Vertical / Right-Angle — Orientation matches target, but footprint is different (SMT vs THT).; HC-1.25-3PWT: Candidate has a different orientation from the straight target part.; WAFER-GH1.25-3PLB: Orientation matches target, but footprint is different (SMT vs THT).; WAFER-MX1.25-3PWB: Candidate has a different orientation from the straight target part. |
| Voltage | 125V | 250V | 250V | - | 250V / 125V — Higher rating provides more margin.; HC-1.25-3PWT: Higher rating provides more margin.; WAFER-MX1.25-3PWB: matched |
| Current | 1.0A | 2A | 2A | - | 2A / 1A — Higher rating provides more margin.; HC-1.25-3PWT: Higher rating provides more margin.; WAFER-MX1.25-3PWB: matched |
| Application | PicoBlade Style | - | - | GH Series | GH Series — Verify mating connector compatibility. Target is PicoBlade style. |
Application & sourcing insights
Questions & answers
For a board redesign, HC-1.25-3PLT from HCTL is a strong functional alternative. It has the same straight orientation and superior voltage/current ratings, but requires changing from a through-hole to a surface-mount layout.