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VFCD1505 (Z-Foil) Vishay Foil Resistors High Precision Bulk Metal Foil Surface Mount Voltage Divider, TCR Tracking of < 0.5 ppm/C, Tolerance Match of 0.01 % and Stability of 0.005 % (50 ppm) FEATURES Temperature coefficient of resistance (TCR): absolute: (table 1) 0.05 ppm/C (typical 0 C to + 60 C) 0.2 ppm/C (typical - 55 C to + 125 C, + 25 C ref.) Bottom View Tracking: (table 1) INTRODUCTION 0.1 ppm/C typical Bulk Metal Z-Foil (BMZF) technology out-performs all other Resistance range: 1K to 10K resistor technologies available today for applications that require ultra high precision and ultra high stability. Foil resistors are not restricted to standard values/ ratios, specific as required values/ratios may be supplied at no The new Z-Foil technology provides a significant reduction extra cost or delivery (e.g 2K234/5K456) of the resistive elements sensitivity to changes of Power coefficient tracking: R due to self heating temperature due to ambient temperature variations (TCR) 5 ppm at rated power and to self heating when power is applied (power Short time overload: 0.005 % coefficient). Tolerance: absolute and resistance ratio: to 0.01 % Model VFCD1505 offers low TCR (both absolute and Load life stability (0.1 W at 70 C, 2000 h) tracking), excellent load life stability, tight tolerance, Absolute: 0.01 % excellent ratio stability, low thermal EMF and low current Ratio: 0.005 % noise, all in one package. 0.05 ppm/C absolute TCR removes errors due to temperature gradients. Electrostatic discharge (ESD) up to 25 000 V Power rating at 70 C: entire package: 0.1 W, divided The VFCD1505 surface mount divider provides tight between the two resistors proportionally to their value tolerance matching and TCR tracking between 2 resistors Non-inductive, non-capacitive design simultaneously etched on one piece of foil on a common substrate. The electrical specifications of this integrated Thermal EMF: 0.05 V/C typical construction offers improved performances and better real Current noise: < - 40 dB estate utilization over discrete resistors and matched pairs. Rise time: 1 ns effectively no ringing Our application engineering department is available to Non inductive: < 0.08 H advise and make recommendations for non-standard Voltage coefficient: < 0.1 ppm/V technical requirements and special applications, please Non hot spot design contact us. Compliant to RoHS directive 2002/95/EC FIGURE 1 - POWER DERATING CURVE Terminal finish: lead (Pb)-free or tin/lead alloy For better performances please contact us + 70 C - 55 C 100 Prototypes quantities available in just 5 working days or sooner. For more information, please contact 75 foil vishaypg.com 50 25 APPLICATIONS R2 0 Instrumentation amplifiers - 75 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 R1 Ambient Temperature (C) Bridge networks Vin - Vout Differential amplifiers + Ratio arms in bridge circuits FIGURE 2 -SCHEMATIC VFCD1505 Medical and test equipment Military R1 R2 Airborne etc. * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 63109 For any questions, contact: foil vishaypg.com www.foilresistors.com Revision: 25-Mar-10 1 Percent of Rated PowerVFCD1505 (Z-Foil) Vishay Foil Resistors TABLE 1 - RESISTANCE VALUES/RATIO AND TCR CHARACTERISTICS ABSOLUTE TCR TCR TRACKING POPULAR TOLERANCE (- 55 C TO + 125 C, + 25 C REF.) VCODES VALUES MATCHING TYPICAL MAXIMUM TYPICAL MAXIMUM 10K/10K V0001 5K/5K V0002 0.2 ppm/C 1 ppm/C 0.1 ppm/C 0.5 ppm/C 0.01 % 1K/1K V0004 2K/2K V0059 5K/10K V0005 0.2 ppm/C 1 ppm/C 0.4 ppm/C 1.0 ppm/C 0.01 % 2.5K/10K V0060 1K/9K V0056 0.2 ppm/C 1 ppm/C 0.4 ppm/C 1.0 ppm/C 0.02 % 1K/10K V0064 Note Additional ratios are available. For the relevant VCODES for ordering, please contact application engineering using the footer below TABLE 2 - TYPICAL PERFORMANCE SPECIFICATIONS (1) TEST MIL-PRF-55342H CHARACTERISTIC E R LIMITS VFCD1505 RATIO Thermal shock 0.10 % 0.005 % (50 ppm) Low temperature operation 0.10 % 0.005 % (50 ppm) Short time overload 0.10 % 0.005 % (50 ppm) High temperature exposure 0.10 % 0.01 % (100 ppm) Resistance to soldering heat 0.20 % 0.01 % (100 ppm) Moisture resistance 0.20 % 0.005 % (50 ppm) Load life (ratio stability) - 0.005 % (50 ppm) Maximum working voltage for each element 22 V Weight 10 mg Packaging Waffle pack standard, tape and reel available Note (1) Rs plus additional 0.01 for measurement error FIGURE 3 - MODEL VFCD1505 DIMENSIONS AND LAND PATTERN in inches (millimeters) CHIP (BOTTOM VIEW) RECOMMENDED LAND PATTERN D D D W W1 X S S L1 G L Z L W D L1 W1 Z G S X THICKNESS 0.005 0.005 0.003 0.003 0.005 0.003 0.003 0.003 0.003 MAXIMUM (0.13) (0.13) (0.08) (0.08) (0.13) (0.08) (0.08) (0.08) (0.08) 0.150 0.050 0.015 0.144 0.043 0.025 0.147 0.111 0.046 0.046 (3.81) (1.27) (0.38) (3.66) (1.09) (0.64) (3.73) (2.82) (1.17) (1.17) Notes Avoid the use of cleaning agents which could attack epoxy resins, which form part of the resistor construction Vacuum pick up is recommended for handling Soldering iron is not applicable www.foilresistors.com For any questions, contact: foil vishaypg.com Document Number: 63109 2 Revision: 25-Mar-10