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Adaptor ESKT24QFN3C

US$ 282.87
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This adaptor is used to program Holtek 8-bit MCU with 24-pin QFN (Quad Flat No-lead) dimension 3mm x 3mm x 0.55mm package type. It must be used together with the Holtek e-WriterPro programmer. Note that 24-pin QFN package has two kinds of dimensions: 3mm x 3mm x 0.55mm and 4mm x 4mm x 0.75mm. Please make sure the dimension before purchasing adaptor.

24-pin QFN packageAdaptor
Dimension 3mm x 3mm x 0.55mm Adaptor ESKT24QFN3C
Dimension 4mm x 4mm x 0.75mm Adaptor ESKT24QFN4C

To use this adaptor, insert it into the slot on the e-WriterPro. When placing IC into this adaptor, keep the IC pin1 to align with pin1 of this adaptor (marked on the PCB).

The adapter is a consumable. The suggested programming times is 5,000 times. When the adaptor has programmed over 5,000 times, the e-WriterPro will display a warning message. It is recommended to replace a new adaptor to ensure successful programming.

The ICP pins (e-CON12A) of the adaptor are not used. The e-WriterPro is capable of performing ICP individually. Please refer to e-WriterPro user’s guide (Holtek e-Writer Series Writer User's Guide) for details.

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  • Details


  1. Packing List: Adaptor ESKT24QFN3C x 1
  2. Dimensions: 76 x 70 x 26 (mm)
  3. Weight: 45.8 g


  1. Please link to Holtek website for more information about e-socket(adaptor)
  2. Package Information (packaging diagrams and parameters)
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