document number: 61016 revision 07-aug-01 www.vishay.com 66 CTT vishay electro-films chip resistors 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 tightest standard tolerance available 0.5% 10 ? 25 ? 50 ? 4.3k ? 10k ? 35k ? process code class h* class k* 202 207 200 205 201 206 204 209 thin film, center-tapped resistors features center tap feature chip size: 0.030 inches square resistance range r t : 10 ? to 36k ? alumina substrate, low shunt capacitance: < 0.2pf resistor material: tantalum nitride moisture resistant the CTT series resistor chips offer a combination of low shunt capacitance and excellent stability. the CTT offers the designer flexibility in use as either a single value resistor or as two resistor with a center tap feature. the CTTs six bonding pads allows the user increased layout flexibility. the CTTs tantalum nitride resistor material offers excellent resistance to high moisture environments. the CTTs are manufactured using vishay electro-films (efi) sophisticated thin film equipment and manufacturing technology. the CTTs are 100% electrically tested and visually inspected to mil-std-883 parameter tcr tracking between halves (r a , r b ) 2ppm/ c* center tap ratio, r a /r b : tolerance 1 1% noise, mil-std-202, method 308 - 35db typical moisture resistance, mil-std-202 method 106 0.5% maximum ? r/r stability, 1000 hours, + 125 c, 62mw 0.25% maximum ? r/r operating temperature range - 55 c to + 125 c thermal shock, mil-std-202, method 107, test condition f 0.1% maximum ? r/r high temperature exposure, + 150 c, 100 hours 0.2% maximum ? r/r insulation resistance 10 12 minimum operating voltage 100v maximum dc power rating at + 70 c (derated to zero at + 150 c) 125mw 5 x rated power short-time overload, 25 c, 5 seconds 0.25% maximum ? r/r standard electrical specifications applications the CTT center-tapped resistor chips are used mainly in feedback circuits of amplifiers where ratio matching, tracking, low shunt capacitance and better frequency response are necessary. vishay efi measures low-value resistors by the four-wire kelvin technique. *10ppm/ c for r < 100 i i i v v v r a r b *mil-prf-38534 product may not be to scale temperature coefficient of resistance, values and tolerances 200ppm/ c 100ppm/ c 50ppm/ c 25ppm/ c
www.vishay.com 67 CTT vishay electro-films document number: 61016 revision 07-aug-01 chip resistors 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 0.030 x 0.030 0.002 (0.762 x 0.762 0.050mm) chip thickness 0.010 0.002 (0.254 0.05mm) chip substrate material 99.6% alumina resistor material tantalum nitride bonding pad size 0.005 x 0.005 (0.127 x 0.127mm) number of pads 6 pad material 25k? minimum gold backing none mechanical specifications in inches dimensions in inches options: alphanumeric part marking, up to six characters aluminum bonding pads, 10k? minimum consult applications engineer thin film, center-tapped resistors standard configuration *six locations. all pads 0.005 x 0.005 schematic r t = r a + r b 0.030 0.030 sf r a r b example: 100% visualled, 10k ? , 1%, 100ppm/ c tcr, gold pads, class h p/n: w CTT 201 1000 1 f inspection product process resistance multiplier tolerance /packaging family code value code code w = 100% visually inspected see process code use first 4 b = 0.01 d = 0.5% parts per mil-std-883 table significant digits a = 0.1 f = 1.0% loaded in matrix trays of resistance (r t ) 0 = 1 g = 2.0% x = sample, visually 1 = 10 h = 2.5% inspected loaded in matrix 2 = 100 j = 5.0% trays (4% aql) 3 = 1000 k = 10% 4 = 10000 m = 20% l = 25% ordering information 0.005
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