1.0-12P WT
SHOU HAN
Needs validationmedium risk
A 12-pin, 1.0mm pitch right-angle header from SHOU HAN with a higher voltage rating; requires mechanical verification.
Best Alternatives to SM12B-SRSS-TB(LF)(SN)
The JST SM12B-SRSS-TB(LF)(SN) is a popular 12-pin, 1.0mm pitch, right-angle SMT header. Several functional alternatives from other manufacturers are available, offering comparable performance for various applications.
AI replacement insight
Package riskhigh
PCB footprint and mating compatibility must be verified from datasheets.
Electrical risklow
Key electrical ratings (voltage, current) are matched by several candidates.
Sourcing risklow
The JST SH series is a popular standard with multiple sources available.
Can it be replaced directly?
Direct replacement for SM12B-SRSS-TB(LF)(SN) should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Use a cross-vendor family alternative like Megastar ZX-SH1.0-12PWT or SHOU HAN 1.0-12P WT after verifying the mechanical drawing in the datasheet.
Main risk
The primary risk is mechanical incompatibility. Even with matching pitch and pin count, the connector's housing dimensions and PCB footprint can vary between manufacturers.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | SM12B-SRSS-TB(LF)(SN) | 1.0-12P WT | ZX-SH1.0-12PWT | HC-1.0-12PWT | Compatibility / risk |
|---|---|---|---|---|---|
| Pitch | 1.0 mm | 1.0 mm | 1.0 mm | 1.0 mm | 1.0 mm — Pitch matches target.; ZX-SH1.0-12PWT: Pitch matches target.; HC-1.0-12PWT: Pitch matches target. |
| Package | SMT, Side-Entry | SMT, Right-Angle | SMT, Right-Angle | 12-pin SMT | SMT, Right-Angle / 12-pin SMT — Mounting type and orientation appear to match, but mechanical drawing must be verified.; ZX-SH1.0-12PWT: Mounting type and orientation appear to match, but mechanical drawing must be verified.; HC-1.0-12PWT: Package name differs slightly. Mechanical drawing must be verified. |
| Current Voltage | 1.0A / 50V | 1.0A / 125V | 1.0A / 50V | 1.0A / 50V | 1.0A / 125V / 1.0A / 50V — Current matches, voltage rating is higher.; ZX-SH1.0-12PWT: Electrical ratings match.; HC-1.0-12PWT: Electrical ratings match. |
| Temperature | -25°C to +85°C | -25°C to +85°C | -25°C to +85°C | -25°C to +85°C | -25°C to +85°C — Operating temperature range matches.; ZX-SH1.0-12PWT: Operating temperature range matches.; HC-1.0-12PWT: Operating temperature range matches. |
| Pin Count | 12 | - | 12 | - | 12 — Pin count matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for SM12B-SRSS-TB(LF)(SN) 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.