
DEALON
Strong electrical match; verify mechanical footprint from datasheet before use.
The SHOU HAN 2.54-4PLT is a common 4-pin, 2.5mm pitch vertical header. Several form-fit-function alternatives exist, but require careful verification of PCB footprint and electrical ratings before substitution.
PCB footprint must be verified from datasheets to ensure mechanical fit.
Several candidates match key voltage/current ratings, but some carry downgrade risks.
This is a common connector type with many available manufacturers.
No drop-in replacement is verified. Candidates like ZX-XH2.54-4PZZ-Y are strong functional matches but require footprint verification from the datasheet before they can be considered pin-to-pin compatible.
Use a parametrically matched vertical header like Megastar ZX-XH2.54-4PZZ-Y or DEALON XH-4PS after verifying the mechanical drawing from the datasheet.
Mechanical incompatibility due to slight variations in housing dimensions or pin footprint, even with the same pitch and pin count.

DEALON
Strong electrical match; verify mechanical footprint from datasheet before use.
| Feature / factor | 2.54-4PLT | XH-4PS | ZX-XH2.54-4PZZ-Y | XHB-4A | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole, Vertical | Through Hole, Vertical | Through Hole, Vertical | Through Hole, Vertical | Through Hole, Vertical — Mounting type and orientation match.; ZX-XH2.54-4PZZ-Y: Mounting type and orientation match.; XHB-4A: Mounting type and orientation match. |
| Pitch | 2.5mm | 2.5mm | 2.5mm | - | 2.5mm — Standard 2.5mm/0.1" pitch matches.; ZX-XH2.54-4PZZ-Y: Standard 2.5mm/0.1" pitch matches. |
| Voltage | 250V | 250V | 250V | 50V | 250V — Voltage rating matches.; ZX-XH2.54-4PZZ-Y: Voltage rating matches.; XHB-4A: Significantly lower voltage rating. |
| Current | 3A | 3A | 3A | 3A | 3A — Current rating matches.; ZX-XH2.54-4PZZ-Y: Current rating matches.; XHB-4A: Current rating matches based on one data source. |
| Pinout | Verified Footprint | Unknown | Unknown | - | Unknown — PCB footprint must be verified from datasheet.; ZX-XH2.54-4PZZ-Y: PCB footprint must be verified from datasheet. |
Parts like Megastar ZX-XH2.54-4PZZ-Y or DEALON XH-4PS are strong candidates, offering matching electrical ratings and form factor. However, verifying the datasheet for exact mechanical dimensions is crucial.