
BXCONN
A 2-pin header with the same pitch and voltage, but a lower current rating of 2A.
Finding a replacement for the JST RE-H022TD-1190(LF)(SN) 2-pin header involves matching the 2.54mm pitch, straight mounting, and 3A current rating. Several alternatives exist but require careful verification.
Many similar parts have lower current ratings (e.g., 2A), posing an overheating risk.
Right-angle versions are common and must be avoided to ensure mechanical fit.
This is a very common connector type with multiple manufacturers.
No direct, pre-verified drop-in replacement has been identified. The closest candidates require datasheet review to confirm electrical ratings.
Cross-reference to TE Connectivity's MTA-100 series (e.g., 640454-2) and verify electrical ratings from the datasheet.
Substituting with a part that has a lower current rating (less than 3A).

BXCONN
A 2-pin header with the same pitch and voltage, but a lower current rating of 2A.
| Feature / factor | RE-H022TD-1190(LF)(SN) | WF-1A254A2P | 3-644456-2 | 640454-2 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole — Mounting type matches.; 3-644456-2: Mounting type and orientation appear to match.; 640454-2: Mounting type and orientation appear to match.; WF-1A254A2P-Y: Mounting type matches. |
| Pitch | 2.54mm | 2.54mm | 2.54mm | 2.54mm | 2.54mm — Standard 0.1" pitch matches.; 3-644456-2: Standard 0.1" pitch matches.; 640454-2: Standard 0.1" pitch matches.; WF-1A254A2P-Y: Standard 0.1" pitch matches. |
| Current | 3A | 2A | Not specified | Not specified | 2A / Not specified — Candidate current rating is lower.; 3-644456-2: Current rating must be verified from datasheet.; 640454-2: Current rating must be verified from datasheet.; WF-1A254A2P-Y: Candidate current rating is lower. |
| Voltage | 250V | 250V | - | - | 250V — Voltage rating matches.; WF-1A254A2P-Y: Voltage rating matches. |
| Manufacturer | JST | - | TE Connectivity | TE Connectivity | TE Connectivity — Cross-vendor alternative.; 640454-2: Cross-vendor alternative. |
| Temperature | -55°C to +125°C | - | - | Not specified | Not specified — Operating temperature must be verified. |
| Color | Natural/Unspecified | - | - | - | Yellow — Housing color is different. |
Candidates like TE Connectivity's 640454-2 are strong form-fit matches, but require datasheet review to confirm the 3A current rating. Other options like BXCONN's WF-1A254A2P have a lower 2A rating.