MINIMELF (SOD-80, DO-213AA) COMPONENT PACKAGE
MiniMELF (SOD-80, DO-213AA) Component Package
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Contents
1. Overview
Name | MiniMELF |
Photo |  Figure 1. Mini-MELF (SOD-80, DO-213AA). |
Synonyms | |
Similar To |
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Variants | None |
Mounting | SMD |
Pin Count | 2 |
Pitch | 3.2mm (distance between terminal centers) |
Solderability | Easy to solder by hand, but doesn’t stay in one place! Can also be wave or reflow soldered. |
Thermal Resistance | |
Package Dimensions | 3.5mm length, 1.5mm diameter |
Typical PCB Land Area | |
3D Models | n/a |
Common Uses |
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2. Comments
MiniMELF is a cylindrical, surface mount component package whose most common use is for packaging diodes and resistors. This package often comes under the alternative names SOD-80 or DO-213AA. I prefer to call it MiniMELF as it’s to remember when there are a plethora of other packages under the "SOD" or "DO-" naming convention.
MiniMELF (and all the other packages in the MELF family) are cylindrical shaped components. This makes them somewhat infamous because they have a tendency to roll around when soldering. This leads to the backronym "MELF: Most End up Lying on the Floor" or being called the "roll away" package. However, they remain popular because offer significant advantages over traditional SMD packages including:
High accuracy
Moisture resistance
High-temperature operation
3. Dimensions And Recommended Land Pattern
References
[1] Nexperia (2017, Jan 30). SOD80C: Glass, hermetically sealed glass surface-mounted package; 2 connectors; 3.5 mm x 1.5 mm body (package information). Retrieved 2022-03-04, from https://assets.nexperia.com/documents/package-information/SOD80C.pdf.
[2] Littelfuse (2018, Feb 26). Surface Mount Thermistors: MELF Style Thermistor: LL 34 MiniMELF SM. Retrieved 2022-03-07, from https://www.littelfuse.com/~/media/electronics/datasheets/surface_mount_thermistors/littelfuse_surface_mount_thermistors_melf_style_thermistors_ll_34_minimelf_sm_datasheet.pdf.pdf.
Authors
This work is licensed under a Creative Commons Attribution 4.0 International License .
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