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MELF Component Package

Geoffrey Hunter
Geoffrey Hunter
mbedded.ninja Author

Overview​

MELF (Metal Electrode Leadless Face) is a 2-lead cylindrically-shaped SMD component package. It is a hermetically sealed glass-based package, which offers components with superb reliability characteristics1. However, they are not very popular because they have a tendency to roll around when soldering. Jokingly they can be referred to as "Most End up Lying on the Floor".

Synonyms​

  • DO-213AB1
  • MMB1
  • SOD-1061

Similar To​

Dimensions​

The MELF package is 5.00mm long and 2.50mm in diameter2, as shown in the below diagram:

The dimensions of the MELF component package from Diodes Incorporated2.

Below is the recommended land pattern for the MELF package from Diodes Inc:

The recommended land pattern for the MELF component package from Diodes Incorporated2.

Common Uses​

  • Resistors
  • Diodes

References​

Footnotes​

  1. Wikipedia (2022, Feb 7). Metal electrode leadless face. Retrieved 2024-04-16, from https://en.wikipedia.org/wiki/Metal_electrode_leadless_face. ↩ ↩2 ↩3 ↩4

  2. Diodes Incorporated (2017, Apr 5). MELF - PACKAGE INFORMATION. Retrieved 2024-04-16, from https://www.diodes.com/assets/Package-Files/MELF.pdf. ↩ ↩2 ↩3