S Series Vishay Foil Resistors High Precision Foil Resistor with TCR of ± 2.0 ppm/°C,Tolerance of ± 0.005 % and Load Life Stability of ± 0.005 %FEATURES • Temperature coefficient of resistance (TCR):- 55 °C to + 125 °C, 25 °C ref. Pb-free − S102C series: ± 2 ppm/°C typical (see table 1) Available − S102K series: ± 1 ppm/°C typical (see table 1) RoHS* • Rated power: to 1 W at + 125 °C COMPLIANT • Tolerance: ± 0.005 % • Load life stability: to ± 0.005 % at 70 °C, 2000 h at rated Any value at any tolerance available within resistance range power • Resistance range: 0.5 Ω to 1 MΩ (higher or lower values of INTRODUCTION resistance are available) Bulk Metal® Foil (BMF) technology outperforms all other • Electrostatic discharge above 25 000 V • resistor technologies available today for applications that Non inductive, non capacitive design • require high precision and high stability. Rise time: 1 ns without ringing • Current noise: < - 40 dB This technology has been pioneered and developed by • Thermal EMF: 0.05 µV/°C typical VISHAY, and products based on this technology are the • Voltage coefficient: < 0.1 ppm/V most suitable for a wide range of applications. BMF • Low inductance: < 0.08 µH typical technology allows us to produce customer orientated • Non hot spot design products, designed to satisfy challenging and specific • Terminal finishes available: lead (Pb)-free technical requirements. tin/lead alloy • Matched sets are available per request Model S Series made from Vishay BMF offers low TCR, (TCR Tracking: to 0.5 ppm/°C) excellent load life stability, tight tolerance, fast response • For better TCR and PCR performances please review the time, low current noise, low thermal EMF and low voltage Z201 datasheet coefficient, all in one resistor. The S Series is virtually insensitive to destabillizing factors. APPLICATIONS The resistor element is a solid alloy that displays the • High precision amplifiers desirable bulk properties of its parent material, thus it is • Down-hole (high temperature) inherently stable and noise free. • High precision instrumentation • Medical and test equipment Vishay’s Bulk Metal® S Series resistors are the modern • Industrial generation of precision resistors. The standard design of • Audio (high end stereo equipment) these resistors provides a unique combination of • EB applications (electron beam scanning and recording characteristics found in no other single resistor. equipment, electron microscopes) Our Application Engineering Department is available to • Military, airborne advise and to make recommendations. For non-standard • Measurement instrumentation technical requirements and special applications, please contact us. FIGURE 1 - FOIL RESISTOR TCR COMPARISON OFFOIL ALLOYS IN MILITARY RANGETABLE 1 - RESISTANCE VERSUS TCR+ 150 (- 55 °C to + 125 °C, + 25 °C Ref.) + 100TYPICAL TCR AND1 ppm/ ° CRESISTANCE+ 50RESISTORMAX SPREAD Δ RVALUE ( Ω )R0(ppm/°C)(ppm) - 50 S102(C) 80 to < 150K ± 2 ± 2.5 - 100 S102(K) 80 to < 100K ± 1 ± 2.5 2 ppm/ ° C- 150 S102(C) ± 2 ± 3.5 50 to < 80 - 200 S102(K) ± 1 ± 3.5 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125- 55 S102(C) ± 2 ± 4.5 Temperature (°C) 1 to < 50 C AlloyK Alloy S102(K) ± 1 ± 4.5 2 ppm/ ° C1 ppm/ ° C * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 63001 For any questions, contact: foil@vishay.com www.vishay.com Revision: 20-Nov-07 1 Document Outline Datasheet Disclaimer