www.vishay.com 125 PSC vishay electro-films document number: 61050 revision 07-aug-01 chip inductor 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 +81.42.729.0661 fax: +81.42.729.3400 ?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 spiral chip inductor features small chip size: 0.050 inches square alumina substrate inductance up to 150nh inductor material: thin film gold the PSC chip inductors offer the best combination of size and value available. generally custom built to specific value requirements, two versions are offered here. these chips are manufactured using vishay electro-films (efi) sophisticated thin film equipment and manufacturing technology. the PSCs are 100% electrically tested for inductance and q. parameter operating temperature range - 55 c + 125 c dielectric constant 9.8 for alumina coil resistance < 5 ? insulation resistance 10 12 ? minimum standard electrical specifications values and tolerances applications primary application is in microwave circuits as resistant element or as choke in power supplies. high self-resonance is important for choke applications and achieved by reducing capacitance between turns by physically increasing space between spiral lines. multi tap coils are available for wire bond tuning but since inductors are very sensitive to pattern width/spacing and metalliz ation thickness almost all are custom built to specification desired. type s single bond type t tunable q @ 1mhz 0.05 0.08 tolerances 5% to 25% 10% to 25% steps 3 x 9% custom values/sizes available. quartz substrate available for higher q. consult application engineer product may not be to scale
document number: 61050 revision 07-aug-01 www.vishay.com 126 PSC vishay electro-films chip inductor 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 +81.42.729.0661 fax: +81.42.729.3400 ?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 0.050 x 0.050 0.003 (1.32 x 1.32 0.076mm) chip thickness 0.015 0.002 (0.38 0.05mm) chip substrate material 99.6 alumina, quartz available bonding pad size type s 4 mil diameter typical type t 8 mil diameter typical pad material gold mechanical specifications in inches configurations in inches example: PSC type s, 140nh, 10% p/n: PSC s/t 140 0 k type inductance multiplier tolerance value code code 3 significant digits b = 0.01 j = 5.0% a = 0.1 k = 10% 0 = 1 m = 20% 1 = 10 l = 25% ordering information 0.004 dia. dia 0.008 dia 0.008 type s type t spiral chip inductor type s type t 0.050 0.050 schematic 0.050 0.050 1 5 34 2 1 5 3 4 2
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