description ?miniature size and rugged construction ?low dcr and high efficiency ?suited for ir and vapor reflow solder ?designed for high shock environments ?frequency range 1khz to 2mhz ?rohs compliant (-r option) applications dc-dc converters filter inductors signal conditioning energy storage applications computer, pager and battery powered equipment environmental data ? torage temperature range: -40? to +125? operating ambient temperature range: -40? to +85? r ange is application specific. temperature rise is approximately 40? at rated rms current. maximum operating temperature is 125? including ambient. infrared reflow temperature: +240? for 30 seconds max. pa ck a ging supplied in tape and reel packaging, 1,750 per reel pa rt inductance ocl (1) irms (2) isat (3) dcr (4) number ? ? 20% amperes amperes ohms (rated) (max.) up2.8b-1r0 1.0 0.98 3.6 8.0 .0286 up2.8b-1r5 1.5 1.59 3.3 6.4 .0349 up2.8b-2r2 2.2 2.44 3.1 5.2 .0356 up2.8b-3r3 3.3 3.24 2.8 4.5 .0474 up2.8b-4r7 4.7 4.15 2.7 3.9 .0478 up2.8b-6r8 6.8 6.73 2.4 3.2 .067 up2.8b-100 10 10 2.1 2.7 .080 up2.8b-150 15 15 1.7 2.2 .120 up2.8b-220 22 22 1.5 1.7 .190 up2.8b-330 33 33 1.3 1.5 .250 up2.8b-470 47 47 1.0 1.2 .340 up2.8b-680 68 68 .89 1.0 .480 up2.8b-101 100 100 .78 .84 .622 up2.8b-151 150 150 .62 .74 .971 uni-pac 2.8 low cost, low profile 2.8mm po wer inductors (surface mount) 1) open circuit inductance test parameters: 100khz, 0.250 vrms, 0.0 adc 2) rms current, delta temp. of 40 c ambient temperature of 85 c 3) peak current for approximately 10% roll-off @ 20? 4) values @ 20 c mechanical diagrams 9.4 max 2.63 max 9.4 max up2.8b xxx wwllyy r top view front view 12.9 max 2.8 max 7.37 2.79 2.92 component view r ecommended pcb layout dimensions in millimeters. wwllyy = date code r = (revision level) xxx = inductance value per family chart option code option code description -r rohs compliant version
13" dia. eia-481 compliant reel. packaging information: parts packaged on a 1,750 parts per reel. 1 2 a a ao=9.7mm bo=13.4mm ko=3.1mm section a-a ko ao 1.5 dia +0.1/-0.0 1.5 dia min 4.0 2.0 12.0 1.7 11.5 24.0 +/-0.3 user direction of feed bo pa ck a ging information 0 20 40 60 80 100 120 04080 120 160 % of isat % of initial inductance inductance vs saturation current uni-pac 2.8 low cost, low profile 2.8mm po wer inductors (surface mount) visit us on the web at www.cooperet.com 3601 quantum boulevard boynton beach, florida 33426-8638 t el: +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 t echnologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit d istribution of any products. cooper electronic technologies also reserves the right to change or update, without notice, any technical information contained in thi s bulletin. once a product has been selected, it should be tested by the user in all possible applications. life support policy: cooper electronic technologies does not authorize the use of any of its products for use in life support d evices or systems without the express written approval of an officer of the company. life support systems are devices which support or sustain life, and whos e failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in signifi cant injury to the user. pm-4106 7/05 ? cooper electronic t echnologies 2005
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