document number: 61038 revision 28-mar-03 www.vishay.com 94 MIF vishay electro-films microwave 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 +81.3.5464.6411 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 microwave resistor features small single chip size: 0.016 x 0.020 inches microwave resistance range: 20 ? to 100 ? overall resistance range: 20 ? to 2k ? alumina substrate low stray capacitance: < 0.2pf resistor material: tantalum nitride self passivating moisture resistant power: 50mw the MIF resistor chips on alumina are designed with low shunt capacitance. resistor geometrics are compatible with strip lines, making them ideally suited for microwave circuits. these chips are manufactured using vishay electro-films (efi) sophisticated thin film equipment and manufacturing technology. the MIFs are 100% electrically tested and visually inspected to mil-std-883. parameter noise, mil-std-202, method 308 - 20db typical moisture resistance, mil-std-202, method 106 0.5% maximum ? r/r stability, 1000 hours, + 125 c, 25mw 0.5% maximum ? r/r operating temperature range - 55 c to + 125 c thermal shock, mil-std-202, method 107, test condition f 0.25% maximum ? r/r high temperature exposure, + 150 c, 1000 hours 0.5% maximum ? r/r dielectric voltage breakdown 400v insulation resistance 10 12 minimum operating voltage 100v maximum dc power rating at + 70 c (derated to zero at 150 c) 50mw maximum 5 x rated power short-time overload, + 25 c, 5 seconds 0.25% maximum ? r/r standard electrical specifications applications vishay efi MIF chip resistors provide excellent high frequency response and are ideally suited for prototyping. typical application areas are: amplifiers couplers oscillators filters attenuators temperature coefficient of resistance, values and tolerances resistance range 20 ? to 100 ? tolerance 1%, 5%, 10%, 20% standard tcr 100ppm/ c options: tcr s: 50, 25, 10ppm/ c tolerances: 1.0% values to 2k ? (serpentine trim) consult applications engineer product may not be to scale
www.vishay.com 95 MIF vishay electro-films document number: 61038 revision 28-mar-03 microw ave 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 +81.3.5464.6411 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 0.016 x 0.020 0.003 (0.40 x 0.5 0.076mm) chip thickness 0.010 0.001 (0.25 0.025mm) chip substrate material 99.6% alumina, 2 - 4 inch finish resistor material tantalum nitride, self passivating bonding pad size 0.005 x 0.012 (0.125 x 0.30mm) number of pads 2 pad material 25k? minimum gold standard backing none dimensions in inches options: terminations: aluminum/solder gold back for solder die attach 5 mil chip thickness contact applications engineer 0.016 0.012 0.020 0.005 example: 100% visualled, 50 ? , 10%, 100ppm/ c tcr, gold pads, class h p/n: w MIF 002 5000 b k inspection product process resistance multiplier tolerance /packaging family code value code code w = 100% visually use first 4 b = 0.01 f = 1.0% inspected parts in matrix significant digits a = 0.1 g = 2.0% trays per mil-std-883 of resistance 0 = 1 h = 2.5% x = sample, visually j = 5.0% inspected loaded in matrix k = 10% trays (4% aql) m = 20% l = 25% n = 50% ordering information mechanical specifications in inches thin film microwave resistor schematic
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