p r e c i s i o n t h i n f i l m t e c h n o l o g y vishay thin film / 63 lincoln highway / p.o. box 4004 / malvern, pa 19355-0988 usa (610) 407-4800 fax: (610) 640-9081 france +33.4.93.37.27.27 fax: +33.4.93.37.27.26 ? israel +972.3.556.9123 fax: +972.3.556.6183 ? germany +49. 9287.71.0 fax: +49.9287.70435 ? uk +44.1915.144.155 fax: +44.1915.678.262 ? japan +81.427.29.0661 fax: +81.427.29.3400 160 hybrid f eatures ? precise tolerance from 0.01% to 1% ? wide resistance ranges from 1k ohm to 2m ohms ? low temperature coefficient 10 ppm/ c max. ? excellent stability <500 ppm (2000 hrs. at +70 c single value chip resistors rmk series (55n and 515n) actual size schematic and pattern test specifications conditions material ultrafilm ? resistance range 1k ohm to 2m ohms absolute tcr: 5 ppm/ c - 55 c to +125 c absolute tolerance: 0.1% stability ( d r ratio) 0.03% 2000 hrs. pn @ +70 c voltage coefficient < 0.1 ppm/volt working voltage 100 volts operating temperature range - 55 c to +155 c storage temperature range - 55 c to +155 c noise < - 35 db typical thermal emf <0.01 m v/ c shelf life stability 50 ppm 1 year @ +25 c the demand for high precision, high stability resistive chips for incorporating in hybrid micro-circuits has increased and is catered for by the comprehensive range of vishay micro and minichips. the super stable rmk nickel chromium resistive film has transformed the performances and characteristics of micro resistive chips bringing a "new state- of-the-art" to the technology. a variety of substrates are available in silicon, alumina, glass, or sapphire, to ensure the best possible characteristics compatible with your application needs. precision wafer laser trimming is employed to trim each resistor to precise tolerance. t ypical p erformance abs tcr 5 tol 0.05% r
p r e c i s i o n t h i n f i l m t e c h n o l o g y vishay thin film / 63 lincoln highway / p.o. box 4004 / malvern, pa 19355-0988 usa (610) 407-4800 fax: (610) 640-9081 france +33.4.93.37.27.27 fax: +33.4.93.37.27.26 ? israel +972.3.556.9123 fax: +972.3.556.6183 ? germany +49. 9287.71.0 fax: +49.9287.70435 ? uk +44.1915.144.155 fax: +44.1915.678.262 ? japan +81.427.29.0661 fax: +81.427.29.3400 161 hybrid dimension inches millimeters a 0.050 1.27 b 0.015 max. 0.4 max. c 0.005 0.12 d 0.010 0.27 e 0.050 1.27 f 0.150 3.81 g 0.015 0.40 h 0.023 0.60 dimensions single value chip resistors rmk series (55n and 515n) how to order mechanical specifications resistive element .......................................... nichrome substrate material ............................................. silicon passivation .................................................. silicon nitride bonding pad .................................................. alumina series size film ohmic value tolerance rmk 55 n 220k 0.1% n = nicr 0.1% 0.5% 1.0% 0.01% 0.05% 0.01% rmk 55n rmk515n bonding pad f g h h g b e a b e d c
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