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300190Z Datasheet(PDF) 1 Page - Vishay Siliconix |
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300190Z Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 6 page 2R, 3R, 4R (Z-Foil Technology) Vishay Foil Resistors Ultra High Precision Z-Foil Voltage Divider and Network Resistor with TCR Tracking to 0.1 ppm/°C and Resistance Match to ± 0.005% (50 ppm) www.vishay.com For technical questions, contact: foil@vishay.com Document Number: 63114 1 Revision: 08-Aug-06 SALES • AMERICAS: foilsales.usa@vishay.com • ASIA/JAPAN: foilsales.asia@vishay.com • UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com • GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com • FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com • ISRAEL: foilsales.israel@vishay.com FEATURES • Resistance Range each resistor: 1Ω to 150KΩ (Any ohmic value ratio is available within resistance range) • Non Inductive/Capacitive design • Low Temperature Coefficient of Resistance (TCR) Absolute: ± 0.05 ppm/°C (Industrial range) ± 0.2 ppm/°C (MIL range), Tracking 0.1 ppm/°C • Power Coefficient “ΔR due to self heating”: 5 ppm at rated power • Tolerance: Absolute and Resistance Match to 0.005% • Resistance Ratio Stability: at 0.05W @ + 25°C to 0.001% • Electrostatic Discharge (ESD) above 25 000 Volts • Short time overload ≤ 0.002% • Power Rating at + 125°C: 0.3W • Thermal EMF: 0.05µV/°C • Non hot spot design • Current Noise: < - 40dB • Rise time: 1ns without ringing • Non Inductive: < 0.08µH • Voltage Coefficient < 0.1 ppm/V • For better performances please contact us • Terminal Finishes available: Lead (Pb)-free Tin/Lead Alloy RoHS COMPLIANT Any value at any tolerance available within resistance range INTRODUCTION The 2R, 3R, 4R Resistor Networks are the designers first choice for ultra high precision, stable and reliable Voltage Divider or Network. The Z-Foil Technology provides a significant reduction of the resistive components sensitivity to ambient temperature variations (TCR) and applied power changes, self-heating (PCR). 0.05 ppm/°C Absolute TCR removes errors due to temperature gradients. The 2R, 3R, 4R provide a unique, inherent combination of performance characteristics resulting in excellent performance and high reliability, satisfying the needs of today’s expanding requirements. The availability of low absolute TCR and low PCR, provides a good cost solution for the variability of other components when compiling the total error budget. Our Application Engineering Department is available to advise and to make recommendations for non-standard technical requirements and special applications, please do not hesitate to contact us. FIGURE 1 - POWER DERATING CURVE FIGURE 2 - TYPICAL TCR CURVE Z-FOIL 200% 175% 150% 125% 100% 75% 50% 25% 0 - 75 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200 Ambient Temperature (°C) - 55°C + 70°C Double Rated Power Rated Power Safe operation for < 150 ppm ΔR after 2000 hours load-life + 500 + 200 + 100 0 - 100 - 200 - 300 - 500 - 55 - 25 + 25 + 60 + 75 + 100 + 125 Ambient Temperature (°C) ΔR R (ppm) 0 0.05 ppm/°C - 0.1 ppm/°C 0.1 ppm/°C 0.14 ppm/°C 0.2 ppm/°C - 0.16 ppm/°C - 400 + 300 + 400 APPLICATIONS • Instrumentation Amplifiers • Bridge Networks • Differential Amplifiers • Military, Airborne and Space • EB Applications • Down-Hole (high temperature) • Medical • Automatic Test Equipment (ATE) FIGURE 3 - TRIMMING TO VALUES CONCEPTUAL ILLUSTRATION) Current Path After Trimming Current Path Before Trimming Trimming Process Removes this Material from Shorting Strip Area Changing Current Path and Increasing Resistance NOTE: Foil shown in black, etched spaces in white |
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