What is MELF

By Bester PCBA

Last Updated: 2024-01-02

Table of Contents

What is MELF

MELF (Metal Electrode Leadless Face) refers to a cylindrical surface mount component package commonly used for diodes, capacitors, and resistors. Compared to traditional components with metallization, MELF packages feature metallic cap terminations at each end. This unique design allows for improved performance and reliability in electronic circuit design.

MELF resistors, a specific subset of SMD resistors, are known for their cylindrical shape and metalized ends. They offer several advantages over through-hole resistors, including a smaller size, making them ideal for space-constrained applications. Additionally, MELF resistors exhibit a low failure rate, high moisture resistance, and can withstand high temperatures, making them suitable for high-precision applications.

There are different MELF package sizes available, including MicroMELF (MMU, 0102), MiniMELF (MMA, 0204), and MELF (MMB, 0207). These variations cater to different requirements and allow for flexibility in circuit design.

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