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PowerDI123 Component Package

Authors:
Geoffrey Hunter
Geoffrey Hunter
Published On:
Oct 21, 2020
Last Updated:
Apr 29, 2024

PowerDI123 is a proprietary component package by Diodes Incorporated. It is used for diodes and constant-current LED drivers (shunt style).

Dimensions

The dimensions for the PowerDI123 component package. Image from https://www.diodes.com/assets/Package-Files/PowerDI123-Type-B.pdf.

2.8x1.78x0.98mm. Pitch 3.05 mm.

Footprint

The recommended footprint for the PowerDI123 component package. Image from https://www.diodes.com/assets/Package-Files/PowerDI123-Type-B.pdf.

The footprint occupies a land area of 6.75mm2.

Thermal Resistance

Device mounted on 25.4x25.4mm FR-4 PCB (10x10mm 1oz copper, minimum recommended pad layout on top layer and thermal vias to bottom layer ground plane)1:

  • TJC=27.15°C/WT_{JC} = 27.15°C/W
  • TJA=148.61°C/WT_{JA} = 148.61°C/W

When mounted on 50.8mm x 50.8mm GETEK PCB with 25.4mm x 25.4mm copper pads1:

  • TJC=17.81°C/WT_{JC} = 17.81°C/W
  • TJA=81.39°C/WT_{JA} = 81.39°C/W

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Footnotes

  1. Diodes Incorporated (2016, Dec). AL5809 - 60V Two Terminal Constant Current LED Driver - PowerDI [datasheet]. Retrieved 2024-04-29, from https://www.diodes.com/assets/Datasheets/AL5809.pdf. ↩ ↩2