ds85lc series surface mount fixed inductor january 2005 1 ?2005 toko america, inc. all rights reserved printed in usa cf-283-ds85lc r-log0105a type ds85lc type ds85lc inductance range: 1.1 - 82 h frequency range: 0.1 - 1mhz features ? 8.4mm x 8.3mm footprint ? 5.0mm maximum height ? magnetically shielded ? reflow solderable ? packaged on 500 piece reels ? lead-free terminations toko part number inductance (1) ( h) 0.012 0.015 0.016 0.018 0.021 0.022 0.029 0.038 0.041 0.051 0.060 0.077 0.100 0.115 0.130 0.145 0.160 0.170 0.195 0.235 0.325 30 30 30 30 30 30 30 30 30 20 20 20 20 20 20 20 20 20 20 20 20 to lerance ( % ) dc (2) resistance ( ? ) max. t emperature (3) rise current +40 c ? t (a) max. dimensions & recommended patterns: note: =p3 is added to each part number to indicate tape and reel packaging. description the toko ds85lc series of magnetically shielded surface mount fixed inductors are designed for general purpose dc-dc converter applications in consumer electronics platforms. standard parts selection guide (1) inductance is measured by lcr-meter 4284a (agilent) or equivalent. (2) dc resistance is measured by digital multimeter tr6871 (advantest) or equivalent. (3) maximum allowable dc current is that which causes a 10% inductance reduction from the initial value, or coil temperature to rise by 40 c, whichever is smaller. (reference ambient temperature 20 c). tolerance: 0.3 unit: mm 8.0 6.6 5.5 4.8 4.3 3.8 3.5 3.1 2.7 2.5 2.3 2.1 1.9 1.7 1.6 1.4 1.3 1.2 1.1 0.96 0.87 inductance (3) decrease current -10% (a) max. 6.5 5.9 5.6 5.1 4.8 4.6 3.9 3.4 3.2 2.9 2.6 2.2 1.9 1.8 1.7 1.6 1.5 1.4 1.4 1.2 1.0 toko america, inc. 1250 feehanville drive, mount prospect, illinois 60056 tel: (847) 297-0070 fax: (847) 699-7864 web: http:// www.tokoam.com the information furnished by toko, inc. is believed to be accurate and reliable. however, toko reserves the right to make chan ges or improvements in the design, specification or manufacture of its products without further notice. toko does not assume any liability arising from the application or use of any product o r circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. no license is granted by implication or otherw ise under any patent or patent rights of toko, inc. 3.5 8.7 3.6 1.1 1.6 2.2 3.0 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 b1000as-1r1n=p3 b1000as-1r6n=p3 b1000as-2r2n=p3 b1000as-3r0n=p3 b1000as-3r9n=p3 b1000as-4r7n=p3 b1000as-5r6n=p3 b1000as-6r8n=p3 b1000as-8r2n=p3 b1000as-100m=p3 b1000as-120m=p3 b1000as-150m=p3 b1000as-180m=p3 b1000as-220m=p3 b1000as-270m=p3 b1000as-330m=p3 b1000as-390m=p3 b1000as-470m=p3 b1000as-560m=p3 b1000as-680m=p3 b1000as-820m=p3
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