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(Lot of 39) 8-pin TO-3 Heatsinks Black Anodized Aluminum 46mm Square 19mm Hi

Current Stock:

Product Description

Manufacturer: Unbranded

Model: Does Not Apply

Condition: Used. Comes in non-original packaging. These heat sinks were removed from circuits by prying with a screwdriver, and they have heavy scratches on the bottom. There are also scuffs/scratches elsewhere, especially on top of the fins.  NO heatsink goop or other thermal interface material was used on these.  Note that these had threaded inserts pressed in, and about half of the inserts are missing. Cosmetic appearance may vary slightly from pictured unit(s).

Notes: We have not tested these heatsinks. No manuals, cords/cables, or additional items are included if not listed or shown.


  • (39) 8-pin TO-3 Heatsinks


  • Manufacturer: Unknown
  • Model: Unknown
  • TO-3 heatsinks
  • 8 holes for IC leads to protrude
  • Formerly used with OPA541AM operational amplifiers
  • Black anodized aluminum construction
  • Pressed-in threaded inserts for device mounting (some missing)
  • Plain holes for heatsink mounting
  • Approximately 46mm square, 19mm high, 5mm base thickness
  • Rough finish on both sides

Scratched, please check the photos!

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