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| VFCD1505 (Z-Foil) Vishay Foil Resistors High Precision Bulk Metal(R) 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.) Tracking: (table 1) 0.1 ppm/C typical * Resistance range: 1K to 10K * Vishay Foil resistors are not restricted to standard values/ ratios, specific "as required" values/ratios may be supplied at no extra cost or delivery (e.g 2K234/5K456) * Power coefficient tracking: "R due to self heating" 5 ppm at rated power * Short time overload: 0.005 % * Tolerance: absolute and resistance ratio: to 0.01 % * Load life stability (0.1 W at 70 C, 2000 h) Absolute: 0.01 % Ratio: 0.005 % * Electrostatic discharge (ESD) up to 25 000 V * Power rating at 70 C: entire package: 0.1 W, divided between the two resistors proportionally to their value * Non-inductive, non-capacitive design * Thermal EMF: 0.05 V/C typical * Current noise: < - 40 dB * Rise time: 1 ns effectively no ringing * Non inductive: < 0.08 H * Voltage coefficient: < 0.1 ppm/V * Non hot spot design * Compliant to RoHS directive 2002/95/EC * Terminal finish: lead (Pb)-free or tin/lead alloy * For better performances please contact us * Prototypes quantities available in just 5 working days or sooner. For more information, please contact foil@vishay.com Bottom View INTRODUCTION Bulk Metal(R) Z-Foil (BMZF) technology out-performs all other resistor technologies available today for applications that require ultra high precision and ultra high stability. The new Z-Foil technology provides a significant reduction of the resistive element's sensitivity to changes of temperature due to ambient temperature variations (TCR) and to self heating when power is applied (power coefficient). Model VFCD1505 offers low TCR (both absolute and tracking), excellent load life stability, tight tolerance, excellent ratio stability, low thermal EMF and low current noise, all in one package. 0.05 ppm/C absolute TCR removes errors due to temperature gradients. The VFCD1505 surface mount divider provides tight tolerance matching and TCR tracking between 2 resistors simultaneously etched on one piece of foil on a common substrate. The electrical specifications of this integrated construction offers improved performances and better real estate utilization over discrete resistors and matched pairs. Our application engineering department is available to advise and make recommendations for non-standard technical requirements and special applications, please contact us. FIGURE 1 - POWER DERATING CURVE Percent of Rated Power - 55 C 100 75 50 25 0 - 75 + 70 C APPLICATIONS - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 R2 Ambient Temperature (C) FIGURE 2 -SCHEMATIC R1 R2 * * * * * * * Instrumentation amplifiers Bridge networks Differential amplifiers Ratio arms in bridge circuits Medical and test equipment Military Airborne etc. R1 Vin Vout + VFCD1505 * Pb containing terminations are not RoHS compliant, exemptions may apply Document Number: 63109 Revision: 24-Jun-09 For any questions, contact: foil@vishay.com www.vishay.com 1 VFCD1505 (Z-Foil) Vishay Foil Resistors TABLE 1 - RESISTANCE VALUES/RATIO AND TCR CHARACTERISTICS POPULAR VALUES 10K/10K 5K/5K 1K/1K 2K/2K 5K/10K 2.5K/10K 1K/9K 1K/10K VCODES V0001 V0002 V0004 V0059 V0005 V0060 V0056 V0064 0.2 ppm/C 0.2 ppm/C 1 ppm/C 1 ppm/C 0.4 ppm/C 0.4 ppm/C 1.0 ppm/C 1.0 ppm/C 0.01 % 0.02 % 0.2 ppm/C 1 ppm/C 0.1 ppm/C 0.5 ppm/C 0.01 % ABSOLUTE TCR (- 55 C TO + 125 C, + 25 C REF.) TYPICAL MAXIMUM TCR TRACKING TYPICAL MAXIMUM TOLERANCE MATCHING Note * Additional ratios are available. For the relevant VCODES for ordering, please contact application engineering using the footer below TABLE 2 - TYPICAL PERFORMANCE SPECIFICATIONS TEST Thermal shock Low temperature operation Short time overload High temperature exposure Resistance to soldering heat Moisture resistance Load life (ratio stability) Maximum working voltage for each element Weight Packaging Note (1) R's plus additional 0.01 for measurement error MIL-PRF-55342H CHARACTERISTIC E R LIMITS (1) 0.10 % 0.10 % 0.10 % 0.10 % 0.20 % 0.20 % 22 V 10 mg Waffle pack standard, tape and reel available VFCD1505 RATIO 0.005 % (50 ppm) 0.005 % (50 ppm) 0.005 % (50 ppm) 0.01 % (100 ppm) 0.01 % (100 ppm) 0.005 % (50 ppm) 0.005 % (50 ppm) FIGURE 3 - MODEL VFCD1505 DIMENSIONS AND LAND PATTERN in inches (millimeters) CHIP (BOTTOM VIEW) D D D RECOMMENDED LAND PATTERN W W1 X L1 L S G Z S L W D L1 W1 0.005 (0.13) 0.005 (0.13) 0.003 (0.08) 0.003 (0.08) 0.005 (0.13) THICKNESS MAXIMUM 0.025 (0.64) Z G S X 0.003 (0.08) 0.003 (0.08) 0.003 (0.08) 0.003 (0.08) 0.150 (3.81) Notes 0.050 (1.27) 0.015 (0.38) 0.144 (3.66) 0.043 (1.09) 0.147 (3.73) 0.111 (2.82) 0.046 (1.17) 0.046 (1.17) * 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.vishay.com 2 For any questions, contact: foil@vishay.com Document Number: 63109 Revision: 24-Jun-09 VFCD1505 (Z-Foil) Vishay Foil Resistors FIGURE 4 - TRIMMING TO VALUES (Conceptual Illustration) FIGURE 5 - TYPICAL RESISTANCE/ TEMPERATURE CURVE (for more details see table 1) + 500 + 400 Interloop Capacitance Reduction in Series Current Path Before Trimming Current Path After Trimming Trimming Process Removes this Material from Shorting Strip Area Changing Current Path and Increasing Resistance + 300 + 200 + 100 R 0 R (ppm) - 100 - 200 - 300 - 400 - 500 - 55 - 25 0 + 25 + 60 + 75 + 100 + 125 - 0.16 ppm/C Mutual Inductance Reduction due to Opposing Current in Adjacent Lines 0.05 ppm/C - 0.1 ppm/C 0.1 ppm/C 0.14 ppm/C 0.2 ppm/C Note: Foil shown in black, etched spaces in white Ambient Temperature (C) TABLE 3 - GLOBAL PART NUMBER INFORMATION (1) NEW GLOBAL PART NUMBER: Y1685V0001QQ9R (preferred part number format) DENOTES PRECISION Y VCODE (2) RESISTANCE VALUE CODE TOLERANCE MATCH T = 0.01 % Q = 0.02 % A = 0.05 % PACKAGING R = tape and reel W = waffle pack Y 1 6 8 5 V 0 0 0 1 Q Q 9 R PRODUCT CODE 1685 = VFCD1505 ABSOLUTE TOLERANCE T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % CHARACTERISTICS 0 = standard product, tin/lead terminations 9 = standard product, lead (Pb)-free terminations Other = custom FOR EXAMPLE: ABOVE GLOBAL ORDER Y1685 V0001 Q Q 9 R: TYPE: VFCD1505 VALUES: 10K/10K ABSOLUTE TOLERANCE: 0.02 % TOLERANCE MATCH: 0.02 % TERMINATION: lead (Pb)-free PACKAGING: tape and reel HISTORICAL PART NUMBER: VFCD1505 10K/10K TCR0.2 Q Q S T (will continue to be used) VFCD1505 MODEL VFCD1505 10K/10K OHMIC VALUE R1 = 10 k R2 = 10 k TCR0.2 TCR CHARACTERISTIC Q ABSOLUTE TOLERANCE T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % Q TOLERANCE MATCH T = 0.01 % Q = 0.02 % A = 0.05 % S TERMINATION S = lead (Pb)-free B = tin/lead alloy T PACKAGING T = tape and reel W = waffle pack Notes (1) Application engineering release: for non-standard requests, please contact application engineering (2) For examples of VCODES see table 1 Document Number: 63109 Revision: 24-Jun-09 For any questions, contact: foil@vishay.com www.vishay.com 3 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1 |
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