uni-pac 0.4c smt power inductors low-cost, low-profile electrical specifications part inductance ocl (1) irms (2) isat (3) dcr (4) q z srf number ? ? 20% amperes amperes ohms (ref) mhz (rated) (ref) (ref) (max) (ref) up0.4c-1r0 1.0 1.16 2.88 3.33 .030 20 210 up0.4c-2r2 2.2 2.27 2.15 2.38 .050 20 150 up0.4c-4r7 4.7 4.95 1.55 1.61 .088 25 80 up0.4c-100 10 9.53 1.16 1.16 .156 25 50 up0.4c-150 15 14.5 .95 0.94 .250 25 45 up0.4c-220 22 21.8 .76 0.77 .360 25 33 up0.4c-330 33 32.2 .64 0.63 .560 30 26 up0.4c-470 47 46.5 .53 0.53 .820 30 20 1) open circuit inductance test parameters: 100khz, 0.250 vrms, 0.0 adc 2) rms current, delta temp. of 40? ambient temperature of 85? 3) peak current for approximately 30% roll-off 4) values @ 20? parts packaged on tape-and-reel at 2,500 units per reel description uni-pac surface mount inductors can be used in dc/dc converters and as signal conditioning or filter inductors. because of their miniature size and rugged construction, uni-pacs are ideally suited for products requiring higher power per millimeter of pcb space. such applications include notebook computers, pagers and a variety of battery powered equipment. features suited for ir and vapor phase reflow frequency range 1khz to 2mhz designed for high shock environments ideal for energy storage applications component view dimensions in millimeters top view front view recommended pcb layout schematic 2 1 component side 4.06 3.56 (2x) 1.4 (2x) 4.45 max 2.40 max 2.92 max 6.60 max 4.45 ref 1.00 ref (2x) 12 0% 20% 40% 60% 80% 100% 0% 20% 40% 60% 80% 100% 120% 140% 160% % of isat % of initial inductance inductance vs saturation current visit us on the web at www.cooperet.com 3601 quantum boulevard boynton beach, florida 33426-8638 tel: +1-561-752-5000 toll free: +1-888-414-2645 fax: +1-561-742-1178 this bulletin is intended to present product design solutions and technical information that will help the end user with design applications. cooper electronic technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. cooper electronic technologies also reserves the right to change or update, without notice, any technical informa tion contained in this bulletin. once a product has been selected, it should be tested by the user in all possible applications. pm-4107 9/00 ? cooper electronic technologies 2000 specifications are subject to change without notice.
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