RESISTOR MATERIAL
Tantalum Nitride and Nickel Chromium are the two resistor materials in use at Vishay Electro-Films. NiCr has a higher sheet resistance, can reach high resistor values in smaller areas, and has better TCR performance than TaN. However, NiCr is susceptible to moisture so resistor values can drift over time if the part is not in a hermetic package; TaN is recommended for non-hermetic applications.
Thin Film Resistor Parameters Thin Film Resistor Material Sheet Resistance (Ohms/square) TCR (ppm/°C) Absolute Tolerance Ratio tolerance Stability NiCr 50 - 225 25 - 100 20% to 0.1% 1% to 0.02% < 0.2% TaN 20 - 125 50 - 250 20% to 0.1% 1% to 0.05% < 0.5%
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PRODUCTS
SEMICONDUCTORSdiodes and rectifiersdiscrete thyristorsIC - POWER AND LINEARmosfetsoptoelectronicsPOWER MODULESPASSIVE COMPONENTSinductors and magneticssensorsOther components
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APPLICATIONS
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