If you are wondering whether the TDK part numbers B43644A5687M000 and B43644A5687M X1 are the same, please note that we have clarified this with the manufacturer, and as per their confirmation, yes—both refer to the same part.
Here is the explanation:
- For the part B43644A5687M000:
- M000 is considered Block 3, which defines parameters such as tolerance, lead design, packaging, or reel size.
- For the part B43644A5687M X1:
- Our system drops any leading zeros that immediately follow a letter, which is why it appears this way in system documents and labels.
M X1 = M00X01
- Also in B43644A5687M000X01:
- X01 is considered Block 4, which is generated for internal use only and does not affect the form, fit, or function of the part.
TDK Electronics Ordering Code and Label Structure.pdf (134.9 KB)
Applicable Part Numbers
| DigiKey Part Number | Manufacturer Part Number |
|---|---|
| 495-75843-ND | B43644A5686M000 |
| 495-7508-ND | B43644A5567M000 |
| B43644E2227M000-ND | B43644E2227M000 |
| B43644B5107M000-ND | B43644B5107M000 |
| 495-B43644J6107M000-ND | B43644J6107M000 |
| 495-75846-ND | B43644C9227M000 |
| B43644F9337M000-ND | B43644F9337M000 |
| 495-B43644J6476M007-ND | B43644J6476M007 |
| 495-B43644J6826M000-ND | B43644J6826M000 |
| 495-B43644B2687M000-ND | B43644B2687M000 |
| 495-75847-ND | B43644C9277M000 |
| 495-B43644F5227M000-ND | B43644F5227M000 |
| 495-B43644K6227M067-ND | B43644K6227M067 |
| 495-B43644B5227M002-ND | B43644B5227M002 |
| 495-B43644F9397M007-ND | B43644F9397M007 |
| 495-B43644K6337M062-ND | B43644K6337M062 |
| 495-75844-ND | B43644B5337M000 |
| B43644E2188M000-ND | B43644E2188M000 |
| 495-B43644E5397M000-ND | B43644E5397M000 |
| 495-B43644A9687M067-ND | B43644A9687M067 |
| 495-B43644J6477M060-ND | B43644J6477M060 |
| 495-B43644A9107M060-ND | B43644A9107M060 |
| 495-B43644A5337M060-ND | B43644A5337M060 |
| 495-B43644B5397M060-ND | B43644B5397M060 |
| 495-B43644A5687M060-ND | B43644A5687M060 |
| 495-77163-ND | B43644A9107M000 |
| 495-77165-ND | B43644B5277M000 |
| 495-7501-ND | B43644B2128M000 |
| B43644B5227M007-ND | B43644B5227M007 |
| 495-B43644E5187M000-ND | B43644E5187M000 |
| 495-7500-ND | B43644A9477M000 |
| B43644B9477M000-ND | B43644B9477M000 |
| B43644A5337M000-ND | B43644A5337M000 |
| 495-B43644E5337M000-ND | B43644E5337M000 |
| 495-7502-ND | B43644B9567M000 |
| 495-B43644B5477M000-ND | B43644B5477M000 |
| B43644J6477M000-ND | B43644J6477M000 |
| B43644E5567M000-ND | B43644E5567M000 |
| 495-77164-ND | B43644A9827M000 |
| 495-B43644A5687M007-ND | B43644A5687M007 |
| B43644A5107M000-ND | B43644A5107M000 |
| 495-B43644A9477M002-ND | B43644A9477M002 |
| B43644A9687M000-ND | B43644A9687M000 |
| B43644B9337M000-ND | B43644B9337M000 |
| 495-7498-ND | B43644A5477M000 |
| 495-B43644E9827M000-ND | B43644E9827M000 |
| 495-B43644A2567M007-ND | B43644A2567M007 |
| 495-B43644E2228M067-ND | B43644E2228M067 |
| 495-B43644A9107M067-ND | B43644A9107M067 |
| 495-B43644E5826M060-ND | B43644E5826M060 |
| 495-B43644A5686M060-ND | B43644A5686M060 |
| 495-B43644E2277M067-ND | B43644E2277M067 |
| 495-B43644J6476M067-ND | B43644J6476M067 |
| 495-B43644B5107M062-ND | B43644B5107M062 |
| 495-B43644A5107M067-ND | B43644A5107M067 |
| 495-B43644E2227M060-ND | B43644E2227M060 |
| 495-B43644B2477M067-ND | B43644B2477M067 |
| 495-B43644B5107M082-ND | B43644B5107M082 |
| B43644A9107M002-ND | B43644A9107M002 |
| 495-B43644J6107M067-ND | B43644J6107M067 |
| 495-B43644A9107M062-ND | B43644A9107M062 |
| 495-B43644A2567M060-ND | B43644A2567M060 |
| 495-B43644B5107M060-ND | B43644B5107M060 |
| B43644E2337M000-ND | B43644E2337M000 |
| 495-B43644F2477M067-ND | B43644F2477M067 |
| 495-B43644E2337M060-ND | B43644E2337M060 |
| 495-B43644J6826M060-ND | B43644J6826M060 |
| 495-B43644A5107M060-ND | B43644A5107M060 |
| 495-B43644E2397M067-ND | B43644E2397M067 |
| 495-B43644A2567M067-ND | B43644A2567M067 |
| 495-B43644A5157M067-ND | B43644A5157M067 |
| 495-B43644E9227M060-ND | B43644E9227M060 |
| 495-B43644E5157M067-ND | B43644E5157M067 |
| 495-B43644A2827M060-ND | B43644A2827M060 |
| 495-B43644B2687M007-ND | B43644B2687M007 |
| 495-B43644B2687M067-ND | B43644B2687M067 |
| 495-B43644B2687M060-ND | B43644B2687M060 |
| 495-B43644J6107M060-ND | B43644J6107M060 |
| 495-B43644K6826M080-ND | B43644K6826M080 |
| 495-B43644E2477M000-ND | B43644E2477M000 |
| B43644B9187M000-ND | B43644B9187M000 |
| 495-B43644A5187M067-ND | B43644A5187M067 |
| 495-B43644E2477M060-ND | B43644E2477M060 |
| 495-B43644B9187M060-ND | B43644B9187M060 |
| B43644B2108M067-ND | B43644B2108M067 |
| 495-B43644B9277M060-ND | B43644B9277M060 |
| 495-B43644E5187M060-ND | B43644E5187M060 |
| B43644B9227M002-ND | B43644B9227M002 |
| 495-B43644A9277M062-ND | B43644A9277M062 |
| 495-B43644E5227M062-ND | B43644E5227M062 |
| 495-B43644B2128M067-ND | B43644B2128M067 |
| 495-B43644B9227M062-ND | B43644B9227M062 |
| 495-B43644F9227M060-ND | B43644F9227M060 |
| 495-B43644F9227M000-ND | B43644F9227M000 |
| 495-B43644B5227M060-ND | B43644B5227M060 |
| 495-B43644B9337M060-ND | B43644B9337M060 |
| 495-B43644B5277M060-ND | B43644B5277M060 |
| 495-B43644C9277M082-ND | B43644C9277M082 |
| B43644B2108M002-ND | B43644B2108M002 |
| 495-B43644B2108M062-ND | B43644B2108M062 |
| 495-B43644B5227M067-ND | B43644B5227M067 |
| 495-B43644B9337M067-ND | B43644B9337M067 |
| 495-B43644A5227M067-ND | B43644A5227M067 |
| 495-B43644C9277M060-ND | B43644C9277M060 |
| 495-B43644B2128M060-ND | B43644B2128M060 |
| B43644B9337M080-ND | B43644B9337M080 |
| 495-B43644B5277M067-ND | B43644B5277M067 |
| 495-B43644F5227M060-ND | B43644F5227M060 |
| 495-B43644B5227M062-ND | B43644B5227M062 |
| 495-B43644F5227M067-ND | B43644F5227M067 |
| 495-B43644F2108M060-ND | B43644F2108M060 |
| 495-B43644C5227M062-ND | B43644C5227M062 |
| 495-B43644C5227M002-ND | B43644C5227M002 |
| B43644C9397M062-ND | B43644C9397M062 |
| 495-B43644B5277M082-ND | B43644B5277M082 |
| 495-B43644K6277M082-ND | B43644K6277M082 |
| 495-B43644C5277M080-ND | B43644C5277M080 |
| 495-B43644B9337M002-ND | B43644B9337M002 |
| 495-B43644A9477M060-ND | B43644A9477M060 |
| 495-B43644E5337M060-ND | B43644E5337M060 |
| 495-B43644B9337M062-ND | B43644B9337M062 |
| B43644B5277M002-ND | B43644B5277M002 |
| 495-B43644F9337M060-ND | B43644F9337M060 |
| 495-B43644C5277M000-ND | B43644C5277M000 |
| 495-B43644A9477M067-ND | B43644A9477M067 |
| 495-B43644C5277M060-ND | B43644C5277M060 |
| B43644C9397M067-ND | B43644C9397M067 |
| B43644F2108M007-ND | B43644F2108M007 |
| 495-B43644B5277M062-ND | B43644B5277M062 |
| 495-B43644F9397M067-ND | B43644F9397M067 |
| B43644C9397M000-ND | B43644C9397M000 |
| 495-B43644B9477M060-ND | B43644B9477M060 |
| B43644F2108M002-ND | B43644F2108M002 |
| 495-B43644F5337M062-ND | B43644F5337M062 |
| 495-B43644B5397M067-ND | B43644B5397M067 |
| 495-B43644C9397M060-ND | B43644C9397M060 |
| 495-B43644F2108M067-ND | B43644F2108M067 |
| 495-B43644A5337M067-ND | B43644A5337M067 |
| 495-B43644F2108M062-ND | B43644F2108M062 |
| 495-B43644A2228M060-ND | B43644A2228M060 |
| 495-B43644F5337M060-ND | B43644F5337M060 |
| B43644B5397M080-ND | B43644B5397M080 |
| 495-B43644B5397M062-ND | B43644B5397M062 |
| 495-B43644A6277M082-ND | B43644A6277M082 |
| 495-B43644A9477M062-ND | B43644A9477M062 |
| 495-B43644B9567M060-ND | B43644B9567M060 |
| 495-B43644F5337M000-ND | B43644F5337M000 |
| 495-B43644E5567M067-ND | B43644E5567M067 |
| 495-B43644A5397M067-ND | B43644A5397M067 |
| B43644B9477M002-ND | B43644B9477M002 |
| 495-B43644B5477M067-ND | B43644B5477M067 |
| 495-B43644E5477M060-ND | B43644E5477M060 |
| 495-B43644E5397M067-ND | B43644E5397M067 |
| 495-B43644B9477M062-ND | B43644B9477M062 |
| 495-B43644J6397M060-ND | B43644J6397M060 |
| 495-B43644A2278M067-ND | B43644A2278M067 |
| 495-B43644E5397M060-ND | B43644E5397M060 |
| B43644E2158M007-ND | B43644E2158M007 |
| 495-B43644F5337M080-ND | B43644F5337M080 |
| B43644F2158M007-ND | B43644F2158M007 |
| 495-B43644B5477M060-ND | B43644B5477M060 |
| 495-B43644E2158M067-ND | B43644E2158M067 |
| 495-B43644F2158M067-ND | B43644F2158M067 |
| 495-B43644A9687M060-ND | B43644A9687M060 |
| 495-B43644A5567M067-ND | B43644A5567M067 |
| 495-B43644A5687M067-ND | B43644A5687M067 |
| 495-B43644E2188M060-ND | B43644E2188M060 |
| 495-B43644E2228M060-ND | B43644E2228M060 |
| B43644A9827M060-ND | B43644A9827M060 |
| 495-B43644E9827M060-ND | B43644E9827M060 |
| 495-7499-ND | B43644A5687M000 |
| B43644B5337M080-ND | B43644B5337M080 |
| 495-75845-ND | B43644B5397M000 |
| B43644C9337M000-ND | B43644C9337M000 |
| 495-7503-ND | B43644F2108M000 |
| B43644C6277M000-ND | B43644C6277M000 |
| B43644B6397M000-ND | B43644B6397M000 |
| B43644E5477M000-ND | B43644E5477M000 |
| B43644G6127M000-ND | B43644G6127M000 |