Is there a pin-compatible replacement for ZX-SH1.0-4PLT?

No pin-compatible, drop-in replacement has been verified. Candidates with the correct vertical orientation have other critical differences, such as lower current ratings or potential mating incompatibility. A full review of the datasheet and footprint is required.

What risks should I check before replacing ZX-SH1.0-4PLT?

Before replacing, you must verify the PCB footprint, mounting orientation (vertical vs. right-angle), current rating (must be >= 1.0A), and mating compatibility with the corresponding female connector housing (SH series vs. others).

ZX-SH1.0-4PLT Alternatives, Datasheet & Cross Reference | Megastar

Finding a substitute for the Megastar ZX-SH1.0-4PLT 1.0mm vertical header requires careful review. While several alternatives exist, none are confirmed drop-in replacements due to differences in mounting orientation, electrical ratings, or mating series.

AI replacement insight

Package riskhigh

Candidates have different mounting orientations or unverified footprints.

Electrical riskmedium

One candidate has a lower current rating (0.7A vs 1.0A).

Application riskhigh

Mating compatibility with existing connector housings is not guaranteed across different series.

Can it be replaced directly?

No direct, verified drop-in replacement for the ZX-SH1.0-4PLT has been identified. All candidates require engineering review of mechanical and electrical specifications.

Best replacement path

The best path is to find a vertical, 1.0mm pitch, SH-series compatible header rated for at least 1.0A. The JST BM04B-SRSS-TB is close in form but fails on current rating and series compatibility.

Main risk

The primary risk is mechanical incompatibility, including incorrect PCB footprint, mounting orientation, and non-mating connector series.

Recommended alternatives

Vertical SMT header with matching pitch, but has a lower current rating and may not mate with the same housing.

View details

Alternative comparison matrix

Feature / factor	ZX-SH1.0-4PLT	BM04B-SRSS-TB(LF)(SN)	ZX-SH1.0-4PWT	SM04B-SRSS-TB(LF)(SN)	Compatibility / risk
Package	Surface Mount, Vertical	Surface Mount, Vertical (Top-entry)	Surface Mount, Right Angle	Surface Mount, Right Angle (Side-entry)	Surface Mount, Vertical (Top-entry) / Surface Mount, Right Angle / Surface Mount, Right Angle (Side-entry) — Mounting orientation matches.; ZX-SH1.0-4PWT: Candidate is right-angle, target is vertical. Not a drop-in replacement.; SM04B-SRSS-TB(LF)(SN): Candidate is right-angle, target is vertical.
Current	1.0A	0.7A	1.0A	1.0A	0.7A / 1.0A — Candidate has lower current rating.; ZX-SH1.0-4PWT: Current rating matches.; SM04B-SRSS-TB(LF)(SN): Current rating matches based on catalog data.
Series	Megastar SH Series	JST SR/SZ Series	-	JST SH Series	JST SR/SZ Series / JST SH Series — Different series, mating with SH housing is not guaranteed.; SM04B-SRSS-TB(LF)(SN): Cross-vendor compatible series.
Pitch	1.0mm	1.0mm	1.0mm	1.0mm	1.0mm — Pitch matches.; ZX-SH1.0-4PWT: Pitch matches.; SM04B-SRSS-TB(LF)(SN): Pitch matches.
Voltage	50V	-	50V	-	50V — Voltage rating matches.

Application & sourcing insights

Questions & answers

The JST BM04B-SRSS-TB(LF)(SN) is the closest in form (vertical SMT, 1.0mm pitch), but it is not a direct replacement. It has a lower current rating (0.7A vs 1.0A) and is part of a different connector series, requiring careful engineering review.