
XUNPU
A strong alternative with matching pitch, pin count, and electrical ratings; appears to be a JST PH series clone.
Find strong alternatives for the JST B2B-PH-K-S-GW 2-pin header. This guide reviews several cross-vendor options that match key electrical and mechanical specs, but require user verification for a perfect fit.
While intended as clones, slight dimensional differences in housing or pins can affect fit and mating.
Key electrical ratings like voltage and current are matched by multiple candidates.
Direct replacement for B2B-PH-K-S-GW should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Use a cross-vendor PH-series compatible connector like ZX-PH2.0-2PJK or WAFER-PH2.0-2PJK after verifying mechanical drawings for fit.
Mechanical incompatibility, including shroud dimensions and pin length, which could prevent proper mating.

XUNPU
A strong alternative with matching pitch, pin count, and electrical ratings; appears to be a JST PH series clone.
| Feature / factor | B2B-PH-K-S-GW | WAFER-PH2.0-2PJK | WF-1A200A2P | ZX-PH2.0-2PJK | Compatibility / risk |
|---|---|---|---|---|---|
| Pitch | 2.0mm | 2.0mm | 2.0mm | 2.0mm | 2.0mm — Pitch matches.; WF-1A200A2P: Pitch matches.; ZX-PH2.0-2PJK: Pitch matches. |
| Positions | 2 | 2 | 2 | 2 | 2 — Position count matches.; WF-1A200A2P: Position count matches.; ZX-PH2.0-2PJK: Position count matches. |
| Voltage | 100V | 100V | 250V | 100V | 100V / 250V — Voltage rating matches.; WF-1A200A2P: Voltage rating is higher.; ZX-PH2.0-2PJK: Voltage rating matches. |
| Current | 2A | 2.0A | 2.0A | 2.0A | 2.0A — Current rating matches.; WF-1A200A2P: Current rating matches.; ZX-PH2.0-2PJK: Current rating matches. |
| Family | JST PH Series | PH Series Clone | WF Series | PH Series Clone | PH Series Clone / WF Series — Appears to be a compatible JST PH series clone.; WF-1A200A2P: Appears to be a compatible JST PH series clone.; ZX-PH2.0-2PJK: Appears to be a compatible JST PH series clone. |
Verified drop-in options for B2B-PH-K-S-GW 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.