Is there a pin-compatible replacement for ZX-SH1.0-12PWT?

While several parts like the JST SM12B-SRSS-TB(LF)(SN) match key specifications, true pin-to-pin compatibility requires comparing the datasheet's mechanical drawings to confirm the PCB footprint is identical. No replacement can be guaranteed as pin-compatible without this verification.

What risks should I check before replacing ZX-SH1.0-12PWT?

The main risks are mechanical. Verify the substitute's PCB footprint, height, and overall dimensions match your layout. Also, confirm it mates correctly with your existing cable assembly or receptacle, as different manufacturer series may have subtle incompatibilities.

ZX-SH1.0-12PWT Alternatives, Datasheet & Cross Reference | Megastar

Find functional alternatives for the Megastar ZX-SH1.0-12PWT 1.0mm pitch 12-pin right-angle header. Review key parameter comparisons for substitutes from JST, SHOU HAN, and HCTL.

AI replacement insight

Package riskmedium

Footprint and mating dimensions must be verified from datasheets.

Electrical risklow

Key electrical ratings match across viable candidates.

Sourcing risklow

Multiple functional alternatives exist from different manufacturers.

Can it be replaced directly?

No guaranteed direct replacement exists without physical verification. The JST SM12B-SRSS-TB(LF)(SN) is the closest functional match, but requires footprint and mating checks.

Best replacement path

The JST SM12B-SRSS-TB(LF)(SN) is the most promising path due to its specified compatibility with the SH series.

Main risk

Mechanical incompatibility, including PCB footprint and mating connector differences.

Recommended alternatives

Strong functional match from JST with identical key specs and part of the same SH connector family.

View details

Alternative comparison matrix

Feature / factor	ZX-SH1.0-12PWT	SM12B-SRSS-TB(LF)(SN)	1.0-12P WT	HC-1.0-12PWT	Compatibility / risk
Positions	12	12	-	-	12 — Number of positions matches.
Pitch	1.0mm	1.0mm	1.0mm	1.0mm	1.0mm — Pin pitch matches.; 1.0-12P WT: Pin pitch matches.; HC-1.0-12PWT: Pin pitch matches.
Package	Right-Angle SMT	Right-Angle SMT	Right-Angle SMT	Right-Angle SMT	Right-Angle SMT — Mounting type and orientation match.; 1.0-12P WT: Mounting type and orientation match.; HC-1.0-12PWT: Mounting type and orientation match.
Voltage	50V	50V	125V	50V	50V / 125V — Voltage rating matches.; 1.0-12P WT: Higher voltage rating is acceptable.; HC-1.0-12PWT: Voltage rating matches.
Current	1.0A	1.0A	1.0A	1.0A	1.0A — Current rating matches.; 1.0-12P WT: Current rating matches.; HC-1.0-12PWT: Current rating matches.
Family	SH Series	SH/SR Series	Unknown	Unknown	SH/SR Series / Unknown — Candidate is part of the same connector family.; 1.0-12P WT: Mating compatibility with SH series is not specified.; HC-1.0-12PWT: Mating compatibility with SH series is not specified.

Application & sourcing insights

Questions & answers

The JST SM12B-SRSS-TB(LF)(SN) is a strong candidate as it is part of the same SH connector series, with matching pitch, pin count, and electrical ratings. However, PCB footprint and mating connector compatibility should be verified.