9677282508 FAIR-RITE | Alldatasheet
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Bobbins (9677282508) Part Number: 9677282508 77 BOBBIN 3PC. ASSEMBLY COATED Explanation of Part Numbers: – Digits 1 & 2 = Product Class – Digits 3 & 4 = Material Grade – Last digit 8 = Coated Bobbin Bobbins are an economical and well- proven core design for many applications where relatively low but stable inductance values are required. For higher frequency designs, use small bobbins in 43 material. For power applications, bobbins in 77 material are specified for AL and dc bias limits. Bobbins in Figures 2-5 can be supplied with a uniform thermo- set plastic coating which can withstand a minimum breakdown of 500Vrms. This coating will change the dimensions a maximum of 0.5 mm (0.020″). The last digit of the thermo- set plastic coated part is an “8”. For any bobbin requirement not listed in the catalog, please contact our customer service group for availability and pricing. Weight: 38 (g) Chart Legend AL : Inductance Factor , Nl : Value of dc Ampere- turns, AW:Winding Area, N/ AWG : Number of Turns/ Wire Size for Test Coil Electrical Properties AL(nH) 95 ±10% AL min. @ Nl (At) 81 - 520 N/ AWG 55/18 Aw(cm ) 0.88 Min Bobbins are tested for AL value at 1kHz < 10 gauss. Fair- Rite Products Corp. • One Commercial Row, Wallkill, New York 12589-0288 888-324-7748 • 845-895-2055 • Fax: 845-895-2629 • ferrites@fair- rite.com • www.fair- rite.com Dim mm mm tol nominal inch inch misc. A 29.2 Max 1.149 Max B 26.2 Max 1.031 Max D 17.5 Min 0.672 Min F 17.9 Max 0.704 Max G 2.2 Min 0.087 Min H 3.55 Min 0.14 _