E80 Large Transformer Core, 500mt Bsat Power Ferrite Ee-80 X4

US $34.90

  • Lewis, New York, United States
  • Jan 29th
   E-80  Ferrite E-Cores also known as EE80             Qty: 2 complete transformer (4 E80 cores)     Permeability = 3000,  B(sat) = 500 mT Low core loss ferrite NOS Arnold Engineering     Dimensions: 80mm x 38mm x 20mm   each half. Magnetic Path length:  18.43 cm Eff. Core Area:  3.93 cm ^2 Eff. Core Volume:  72.34 cm ^3 Power Handling capability index (WaAe)  44.69 cm^4 iNDUCTANCE iNDEX (AL):  5880 nH/N^2 Material: ASTM P7070 ( TSF7070 ) power ferrite Material Properties:   Manufacturer's QC certification sheet for this lot adds the following information: Al value: 5902  nH / T^2   +/- 25%,  average of 12 samples from the lot, taken with an Agilent 4275A LCR Analyzer, Turn count = 1, Freq = 100KHz   Note: Depending on construction, an EE80 transformer can produce 3-7KW max power in an SMPS application.  Maximizing factors will include a full bridge topology, 100KHz+ operating frequency, and use of triple-insulated winding wire to optimize transformer performance. Example schematic of 1000W Switching power supply (using a 49mm core)  Web site showing how to build a 1KW SMPS   International users:  4 of these cores packaged weigh over 2 pounds (one kilogram)       IMPORTANT: Buyer controls combining of order, by making a single payment for all items. Multiple payments void any shipping discounts. Can only combine BEFORE payment, never after. How to combine orders. If you have ANY time constraints, contact seller BEFORE buying or bidding, so we can BOTH come to an agreement. INTERNATIONAL shipments will NOT have online tracking , unless you use REGISTERED MAIL -- contact seller for invoice. INTERNATIONAL transit time can be 6-28 business days, and can be delayed by local Customs backlogs. If this is not acceptable, we cannot not enter into any trade. US shipments can take 5-7 business days - however the USPS does NOT guarantee these transit times, and can exceed them. eBay tracking info has 24-48 hrs update latency and can only guarantee a delivery scan -- interim scans may not occur. ALL items shipped to buyer's Registered eBay shipping address address, without exception. We can never take an address from email. Payment closes order. No changes are possible once paid. We have no expedited shipping service outside USA -- If urgent, please source locally.

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