ZX-XH2.54-3PJK
Megastar
Needs validationhigh risk
A 3-pin header with matching current but a narrower temperature range and unconfirmed mechanics.
Best Alternatives to MF254V-11-03-0743
MF254V-11-03-0743 is a 3-pin, 2.54mm pitch through-hole header from FC, rated for 3A and 60V. When seeking alternatives, it's crucial to match the pin count, pitch, and electrical ratings, and verify mechanical dimensions.
AI replacement insight
Package riskmedium
Missing row counts and potential for different shroud styles require datasheet verification.
Electrical riskhigh
Several candidates have lower current ratings and all have a narrower temperature range.
Firmware risklow
This is a passive connector with no firmware implications.
Can it be replaced directly?
No direct drop-in replacements were identified. All candidates have parametric or mechanical differences, such as lower current ratings or narrower temperature ranges.
Best replacement path
Prioritize candidates with a 3A current rating and the widest temperature range. The Megastar ZX-XH2.54 series is a starting point for review.
Main risk
Electrical derating is the main risk, as several candidates offer lower current capacity (2A vs. 3A target), which could cause overheating.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | MF254V-11-03-0743 | ZX-XH2.54-3PJK | ZX-XH2.54-3PZZ-R | WF-1A254A3P-Y | Compatibility / risk |
|---|---|---|---|---|---|
| Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm — Pitch matches.; ZX-XH2.54-3PZZ-R: Pitch matches.; WF-1A254A3P-Y: Pitch matches.; WF-1A254A3P: Pitch matches. |
| Current | 3 A | 3 A | 3 A | 2.0 A | 3 A / 2.0 A — Current rating matches.; ZX-XH2.54-3PZZ-R: Current rating matches.; WF-1A254A3P-Y: Candidate has a lower current rating.; WF-1A254A3P: Candidate has a lower current rating. |
| Temperature | -40°C to +105°C | -25°C to +85°C | -25°C to +85°C | -25°C to +85°C | -25°C to +85°C — Candidate has a narrower operating temperature range.; ZX-XH2.54-3PZZ-R: Candidate has a narrower operating temperature range.; WF-1A254A3P-Y: Candidate has a narrower operating temperature range.; WF-1A254A3P: Candidate has a narrower operating temperature range. |
| Rows | 1 | Not specified | Not specified | - | Not specified — Row count is missing, assumed to be 1.; ZX-XH2.54-3PZZ-R: Row count is missing, assumed to be 1.; WF-1A254A3P: Row count is missing, assumed to be 1. |
| Package | Generic Header | - | XH Series | - | XH Series — XH family may have a different shroud/footprint. |
| Positions | 3 | - | - | 3 | 3 — Position count matches. |
| Voltage | 60 V | - | - | 250 V | 250 V — Candidate has a higher voltage rating. |
Application & sourcing insights
Questions & answers
Several functional or parametric alternatives exist, such as the Megastar ZX-XH2.54 series, but all require review. They may have different temperature ranges or mechanical features. No direct drop-in replacement was found.