atc 545l series ubc tm capacitors atc 545l series ubc tm ultra-broadband capacitor features: ? eia 0402 case size ? capacitance: 100 nf ? operating frequency: 16 khz (-3 db roll-off) to 40+ ghz* ? insertion loss: < 0.5 db typical ? orientation insensitive ? one piece construction ? voltage ratings: 10 and 16 wvdc ? tcc: 15% (-55c to +125c) ? rohs compliant terminations ? gold terminations available atc?s new 545l series ultra-broadband capacitor (ubc tm ) is a unique component that provides ultra-low insertion loss, flat frequency response and an excellent match over multiple octaves of frequency spectrum in a one piece configuration. the 545l is ideal for ultra-broadband dc blocking, coupling, bypassing, and feedback applications in optical communications systems and equipment using high-speed digital logic. *25 c, no bias applied advantages: ? ultra-broadband performance ? ultra-low insertion loss ? flat frequency response ? excellent return loss ? unit-to-unit performance repeatability ? rugged x7r ceramic construction magnitude db frequency (ghz) (typical) -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 05 10 15 20 25 30 35 40 frequency (ghz) (typical) magnitude db atc 545l series insertion loss (s21) atc 545l series return loss (s11) atc 545l data sheet test condition description all testing performed on 10-mil-thick rogers ro4350 microstrip board, with the device under test subtending a 24 mil gap in a 2 2-mil-wide center trace (nominal 50-ohm characteristic impedance). new, patented design atc # 001-1018 rev. i; 1/09
atc 545l series ubc tm capacitors electrical specifications: ? capacitance: 100 nf ? rated voltages: 10 and 16 wvdc ? dielectric withstanding voltage (dwv): 250% of rated wvdc for 5 secs. ? operating temperature range: -55c to +125c ? temperature coefficient of capacitance (tcc): 15% (-55c to +125c) ? maximum df: 5% @ 1khz ? insulation resistance: 10 8 min. @ +25c @ rated wvdc 10 7 min. @ +125c @ rated wvdc 0.040 in. 0.004 in. (1.016 mm 0.1 mm) 0.024 in. max. (0.610 mm max.) 0.020 in. 0.004 in. (0.508 mm 0.1 mm) 0.012 in. 0.008 in. (0.305 mm 0.203 mm) mechanical dimensions the above part number refers to a 545 series (case size l) 100 nf capacitor, k tolerance (10%), with t termination (tin plated over nickel barrier), 16 wvdc, tape and reel packaging. for additional information and catalogs contact your atc representative or call direct at (+1-631) 622-4700. consult factory for additional performance data. atc accepts orders for our parts using designations with or without the ?atc? prefix. both methods of defining the part number are equivalent, i.e., part numbers referenced with the ?atc? prefix are interchangeable to parts referenced without the ?atc? prefix. customers are free to use either in specifying or procuring parts from american technical ceramics. sales of atc products are subject to the terms and conditions contained in american technical ceramics corp. terms and conditio ns of sale (atc document #001-992 rev. b 12/05). copies of these terms and conditions will be provided upon request. they may also be viewed on atc's website at www.atceramics. com/productfinder/default.asp. click on the link for terms and conditions of sale. atc has made every effort to have this information as accurate as possible. however, no responsibility is assumed by atc for it s use, nor for any infringements of rights of third par- ties which may result from its use. atc reserves the right to revise the content or modify its product line without prior notic e. ? 2007 american technical ceramics corp. all rights reserved. atc # 001-1018 rev. i; 1/09 atc part number code atc 545 l 10 4 k t 16 t series case size capacitance code: first 2 significant digits for capacitance wvdc = 10 or 16 indicates number of zeros following digits of capacitance in picofarads except for decimal values termination code t = tin plated over nickel barrier (standard) capacitance tolerance ca = gold plated over nickel barrier w = tin/lead solder plated over nickel barrier packaging t - tape and reel
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