XH-3PA
ZHOURI
Needs validationlow risk
Strong functional match from the common XH series with identical key specs; requires mechanical verification.
Best Alternatives to B3B-EH(LF)(SN)
Find and compare potential replacements for the JST B3B-EH(LF)(SN) 3-pin header. This guide reviews several functional alternatives, highlighting key parameters and verification steps.
AI replacement insight
Package riskmedium
Housing dimensions and PCB footprint must be verified from datasheets.
Electrical risklow
Most candidates match key voltage and current ratings.
Sourcing risklow
This is a very common connector type with many suppliers.
Can it be replaced directly?
No drop-in replacement is confirmed. Several parts like DEALON XH-D-3A and ZHOURI XH-3PA are strong functional candidates, but require mechanical verification from their datasheets before use.
Best replacement path
Cross-referencing to other vendors' 2.5mm pitch, 3-pin XH-series headers is the most effective strategy.
Main risk
The primary risk is mechanical incompatibility. While electrical specifications often match, the connector housing dimensions and PCB footprint can have slight variations between manufacturers.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | B3B-EH(LF)(SN) | XH-3PA | XH-D-3A | ZX-XH2.54-3PZZ-Y | Compatibility / risk |
|---|---|---|---|---|---|
| Pin Count | 3 | 3 | 3 | 3 | 3 — Matches target.; XH-D-3A: Matches target.; ZX-XH2.54-3PZZ-Y: Matches target.; XH-3A-P: Matches target. |
| Pitch Mm | 2.5mm | 2.5mm | 2.5mm | 2.5mm | 2.5mm — Matches target.; XH-D-3A: Matches target.; ZX-XH2.54-3PZZ-Y: Matches target.; XH-3A-P: Matches target. |
| Voltage | 250V | 250V | 250V AC/DC | 250V | 250V / 250V AC/DC — Voltage rating matches.; XH-D-3A: Voltage rating matches.; ZX-XH2.54-3PZZ-Y: Voltage rating matches.; XH-3A-P: Voltage rating matches. |
| Current | 3A | 3A | 3.0A | 3.0A | 3A / 3.0A — Current rating matches.; XH-D-3A: Current rating matches.; ZX-XH2.54-3PZZ-Y: Current rating matches.; XH-3A-P: Current rating matches. |
| Package | Through Hole | - | - | Through Hole | Through Hole — Mounting type matches. |
Application & sourcing insights
Questions & answers
DEALON XH-D-3A and ZHOURI XH-3PA are strong candidates with matching electrical specifications. However, you must verify their mechanical drawings against your PCB layout before ordering.