k e y e l c o . c o m TRANSISTOR MICA INSULATORS RAPID HEAT DISSIPATION HIGH DIELECTRIC STRENGTH NON-TOXIC LOW COST FROM STOCK These precision stamped mica insulators provide good thermal ORDERING INFORMATION: Minimum quantity 100 pieces of an item. conductivity (.009 watts per square inch per degree celsius per inch in MATERIAL SPECIFICATIONS: .003 thick mica is used for all the thickness). Excellent thermal resistance 1100F. Dielectric constant of 7 insulators on this page. Tolerance for thickness is plus or minus .001. at 1000 Kilohertz. Modifications: Special thickness and other materials available on special order. Prompt quotations will be rendered. FOR TO-3 CASES INSULATORS FOR VARIOUS TO-3 CASES .003 THICK MICA CAT.NO. A B C D 4651 1.625 1.093 .093 .166 4652 1.560 1.050 .203 .171 4653 1.655 1.063 .166 .166 CAT. NO. 4662 CAT. NO. 4667 CAT. NO. 4674 4636 1.655 1.063 .052 .166 4644 1.655 1.063 .270 .166 FOR TO-36 CASES .003 THICK MICA CAT.NO. A B C D CAT. NO. 4661 CAT. NO. 4658 CAT. NO. 4660 4655 1.125 .130 .187 .203 4656 1.250 .140 .156 .203 INSULATORS FOR VARIOUS TO-66 CASES .003 THICK MICA CAT.NO. A B C D 4657 1.062 .187 .187 .187 4659 1.187 .187 .187 .250 CAT. NO. 4664 CAT. NO. 4665 CAT. NO. 4666 FOR TRANSISTOR CASES THREADED STUD PLASTIC CASE MICA INSULATORS .003 THICK MICA CAT. ID OD For Screw NO. Inside Dia. Outside Dia. Size 4678 .120 .375 4 4679 .140 .375 6 4680 .171 .500 8 4681 .187 .625 10 4682 .265 .750 1/4 4683 .328 .875 5/16 CAT. NO. 4672 .141 CAT. NO. 4663 CAT. NO. 4671 CAT. NO. 4673 .115 CAT. NO. 4637 CAT. NO. 4640 CAT. NO. 4669 CAT. NO. 4668 31-07 20th Road Astoria, New York 11105-2017 (718) 956-8900 FAX (718) 956-9040 91 e-mail: kec keyelco.com WebSite: keyelco.com