Lot Of 4, Aavid Thermalloy 4005g To-5/39 Transistor Thermally Conductive Washers

US $34

  • Toronto, ON, Canada
  • Jun 1st
Each lot is for 4, Aavid Thermalloy # 4005G, thermally conductive, (high voltage) electrically insulating, Beryllium Oxide transistor washers for TO-5 and TO-39 transistors. Yes, the picture is for 8, but by request, people wanted smaller lots, so these are for lots of 4. Discounts considered for larger quantities up to the total of 100 (25 lots of 4,) I have remaining. These are often used to heatsink RF transistors such as 2N3553, 2N3866, 2N4427, 2N5108 and 2N5109 transistors to the ground plane with controlled and minimal capacitance (<5.0 pf surface to surface) with negligible dissipation factor and practically no change in capacitance up to 10 GHz.  (To minimize thermal resistance, a small amount of thermal grease should be used on both sides of the insulating washer.)  Beryllium Oxide has a lower dielectric constant than other materials, preferred in RF circuits. For retail prices, check Newark.com Inquiries welcome. Multiple shipping methods are available, so please contact me with your location to discuss your preferred method of shipping and the cost before paying PayPal, and this is particularly important when purchasing multiple items in the same shipment.  Though not listed by ebay as an option, I will also send these by regular lettermail, at $1.00US to Canada, $1.20US shipping to the USA, and $2.50US international for orders under US$12.00, but again contact me before paying PayPal, and you assume responsibility for receiving the shipment on untracked mail. And please be sure to check out my other items like RF transistors, variable coil forms, ferrites, variable capacitors and much more.

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