document number: 61041 revision 28-mar-03 www.vishay.com 104 CBA vishay electro-films chip capacitors vishay electro-films ?france +33.4.93.37.28.24 fax: +33.4.93.37.27.31 ?germany +49.9287.710 fax: +49 9287.70435 ?israel +9 72.3.557.0945 fax: +972.3.558.9121 ?italy + 39.2.300.11911 fax: +39.2.300.11999 ?japan +81.3.5464.6411 fax: +81.3.5464.6433 ?singapore +65.788.6668 fax: +65. 788.0988 ?sweden +46.8.594.70590 fax: +46.8.594.70581 ?uk +44 191 514 8237 fax: +44 1953 457 722 ?usa: (401) 738-9150 fax: (401) 738 -4389 thin film binary mos capacitors features user value selection four capacitors with common connection capacitance range: 0.25pf to 15pf in binary increments dielectric: silicon dioxide chip size: 0.019 x 0.030 inches substrate: silicon with gold backing the CBA mos capacitor chips each contain four different capacitors in binary increments allowing the user many choices in value selection. two versions of CBA capacitors are available: one with a total capacitance of 3.75pf and one with a total capacitance of 15pf. these chips are manufactured using vishay electro-films (efi) sophisticated thin film equipment and manufacturing technology. the CBAs are 100% electrically tested and visually inspected to mil-std-883. parameter peak voltage at + 25 c 1.5 x working voltage dissipation factor 1khz, 1v rms , + 25 c 0.1% maximum mos q at 1mhz, 50mv rms , + 25 c 1000 minimum tcc, - 55 c to + 150 c + 15 25ppm/ c insulation resistance at working voltage, + 25 c10 9 minimum operating temperature range - 55 c to + 150 c thermal shock 0.25% + 0.25pf maximum ? c/c moisture resistance, mil-std-202, method 106 1.0% + 0.25pf maximum ? c/c short time overload, + 25 c, 5 seconds; 1.5 x working voltage 0.25% + 0.25pf maximum ? c/c high temperature exposure: 100 hours at + 150 c ambient 0.25% + 0.25pf maximum life, mil-std-202, method 108, condition d, + 125 c ambient, 1000 hours at working voltage 2.0% + 0.25pf maximum ? c/c standard electrical specifications wv (dc) values and tolerances applications vishay efi CBA binary mos multi-value capacitor chips are designed for hybrid packages in which microwave circuits are to be trimmed. this is done on the CBA chips by selecting the bonding pad for the required capacitance and wire-bonding by conventional techniques. capacitor model CBA 3.75pf CBA 15pf total capacitance 3.75pf 15pf individual capacitance 0.25pf, 0.50pf, 1.0pf, 2.0pf 1.0pf, 2.0pf, 4.0pf, 8.0pf tolerance 25% 10% dc working voltage 100v 30v product may not be to scale
www.vishay.com 105 CBA vishay electro-films document number: 61041 revision 28-mar-03 chip capacitors vishay electro-films ?france +33.4.93.37.28.24 fax: +33.4.93.37.27.31 ?germany +49.9287.710 fax: +49 9287.70435 ?israel +9 72.3.557.0945 fax: +972.3.558.9121 ?italy + 39.2.300.11911 fax: +39.2.300.11999 ?japan +81.3.5464.6411 fax: +81.3.5464.6433 ?singapore +65.788.6668 fax: +65. 788.0988 ?sweden +46.8.594.70590 fax: +46.8.594.70581 ?uk +44 191 514 8237 fax: +44 1953 457 722 ?usa: (401) 738-9150 fax: (401) 738 -4389 parameter chip size 0.019 x 0.030 0.002 (0.48 x 0.75 0.05mm) chip thickness 0.010 0.003 (0.25 0.08mm) chip substrate material semiconductor silicon dielectric silicon dioxide (mos) bonding pads 10k? minimum aluminum backing 3k? minimum gold mechanical specifications in inches configurations in inches example: 100% visualled, 3.75pf 25%, aluminum pads, class h p/n: w CBA 004 3750 c l inspection product process capacitance multiplier tolerance /packaging family code value (pf) code code w = 100% visually 004 = CBA use first 4 c = 0.001 k = 10% inspected parts per significant digits b = 0.01 m = 20% mil-std-883 of the capacitance a = 0.1 l = 25% x = sample, visually (c t ) 0 = 1 n = 50% inspected loaded in matrix 1 = 10 trays (4% aql) ordering information options: gold bonding pads 15 k? minimum other value combinations available consult applications engineer top bonding pads back of chip top bonding pads back of chip 0.25pf 1.0pf 0.5pf 2.0pf 0.25pf 1.0pf 0.5pf 2.0pf 1.0pf 8.0pf 4.0pf 2.0pf thin film binary mos capacitors schematic 0.004 0.004 0.004 0.008 0.015 0.0075 0.00375 0.019 0.030
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