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| VSA101 (Z-Foil) Vishay Foil Resistors Ultra High Precision Axial Z-Foil Resistor with TCR of 0.05 ppm/C, PCR of 5 ppm at Rated Power, Tolerance of 0.005 % and Load Life Stability of 0.005 % INDUSTRY BREAKTHROUGH * Temperature coefficient of resistance (TCR): 0.05 ppm/C typical (0 C to + 60 C) 0.2 ppm/C typical (- 55 C to + 125 C, + 25 C ref.) * Power coefficient of resistance "R due to self heating": 5 ppm at rated power * Rated power: 0.6 W at 70 C; 0.3 W at 125 C * Resistance tolerance: to 0.005 % * Load life stability: to 0.005 % at 70 C, 2000 h at rated power * Resistance range: 5 to 100 k * Vishay Foil resistors are not restricted to standard values, we can supply specific "as required" values at no extra cost or delivery (e.g. 100.1234 vs. 100 ) * Electrostatic discharge (ESD) up to 25 000 V * Non inductive, non capacitive design * Rise time: 1.0 ns effectively no ringing * Current noise: - 40 dB * Thermal EMF: 0.1 V/C maximum; 0.05 V/C typical * Voltage coefficient: < 0.1 ppm/V * Non inductive: 0.08 H * Terminal finishes available: lead (Pb)-free tin/lead alloy * Maximum working voltage: 300 V * Matched sets are available per request * For better performances please contact us * Testing available per EEE-INST002 FEATURES INTRODUCTION The VSA101 Axial Bulk Metal(R) Z-foil resistor is Vishay's answer to the industry's demand for ultra-high precision resistors with axial terminations. The Z-foil technology provides a significant reduction of the resistive component's sensitivity to ambient temperature variations (TCR) and applied power changes (PCR). This, along with all the additional Z-foil benefits presented in the features section, allows designers to guarantee the highest degree of stability and accuracy in fixed-resistor applications using solutions based on Vishay's revolutionary Z-foil technology. Our application engineering department is available to advise and to make recommendations. For non-standard technical requirements and special applications, please contact us. APPLICATIONS * Precision amplifiers, high precision instrumentation, medical and automatic test equipment * Laboratory, audio (high end stereo equipment) * EB applications, military, airborne and space * Down-hole (high temperature) TABLE 1 - TOLERANCE AND TCR VS. RESISTANCE VALUE STANDARD TOLERANCE TYPICAL TCR AND MAXIMUM SPREAD - 55 C TO + 125 C (+ 25 C REF.) 0.2 1.3 ppm/C 0.2 1.5 ppm/C 0.2 1.8 ppm/C 0.2 2.3 ppm/C 0.2 2.8 ppm/C FIGURE 1 - POWER DERATING CURVE 200 % - 55 C + 70 C Percent of Rated Power at + 125 C Double Rated Power 175 % 150 % 125 % 100 % 75 % 50 % 25 % 0 - 75 - 50 - 25 100 to 100 k 80 to < 100 50 to < 80 10 to < 50 5 to < 10 0.005 % 0.005 % 0.01 % 0.02 % 0.02 % Rated Power 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200 Ambient Temperature (C) * Pb containing terminations are RoHS compliant, exemptions may apply Document Number: 63143 Revision: 03-Nov-08 For any questions, contact: foil@vishay.com www.vishay.com 1 VSA101 (Z-Foil) Vishay Foil Resistors Ultra High Precision Axial Z-Foil Resistor with TCR of 0.05 ppm/C, PCR of 5 ppm at Rated Power, Tolerance of 0.005 % and Load Life Stability of 0.005 % FIGURE 3 - TYPICAL TCR CURVE Z-FOIL + 500 + 400 + 300 FIGURE 2 - TRIMMING TO VALUES (Conceptual Illustration) 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 + 200 + 100 R 0 R (ppm) - 100 - 200 - 300 - 400 - 500 - 55 - 25 0 + 25 + 60 + 75 + 100 + 125 - 0.16 ppm/C 0.05 ppm/C - 0.1 ppm/C 0.1 ppm/C 0.14 ppm/C 0.2 ppm/C Mutual Inductance Reduction due to Opposing Current in Adjacent Lines Ambient Temperature (C) Note: Foil shown in black, etched spaces in white FIGURE 4 - STANDARD IMPRINTING AND DIMENSIONS A T Date Code 08 06 Year Week VISHAY 0806 VSA101 H 10K010 0.01 % Resistance Value Tolerance D C BODY A - LENGTH (MAX.) Inch 0.305 mm 7.75 T - WIDTH (MAX.) Inch 0.102 mm 2.59 H - HEIGHT (MAX.) Inch 0.26 mm 6.60 C - LENGTH (MIN.) Inch 1.5 mm 38.10 LEAD D - DIAMETER Inch 0.025 mm 0.64 TABLE 2 - VSA101 SPECIFICATIONS Stability 0.005 % max. R at 0.1 W/+ 70 C Load life at 2000 h 0.015 % max. R at 0.3 W/+ 125 C 0.01 % max. R at 0.05 W/+ 125 C Load life at 10 000 h 0.05 % max. R at 0.3 W/+ 125 C www.vishay.com 2 For any questions, contact: foil@vishay.com Document Number: 63143 Revision: 03-Nov-08 VSA101 (Z-Foil) Ultra High Precision Axial Z-Foil Resistor with Vishay Foil Resistors TCR of 0.05 ppm/C, PCR of 5 ppm at Rated Power, Tolerance of 0.005 % and Load Life Stability of 0.005 % TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON MIL-PRF-55182 CHAR J Test Group I Thermal shock Short time overload Test Group II Resistance temperature Characteristic Low temperature storage Low temperature operation Terminal strength Test Group III DWV Resistance to solder heat Moisture resistance Test Group IV Shock Vibration Test Group V Life test at 0.3 W/+ 125 C 2000 h 10 000 h Test Group Va Life test at 0.6 W (2 x rated power)/+ 70 C, 2000 h Test Group VI High temperature exposure Test Group VII Voltage coefficient VISHAY VSA101 MAXIMUM R TYPICAL R 0.2 % 0.2 % 0.01 % (100 ppm) 0.01 % (100 ppm) 0.002 % (20 ppm) 0.003 % (30 ppm) 25 ppm/C 0.15 % 0.15 % 0.2 % see Table 1 0.01 % (100 ppm) 0.01 % (100 ppm) 0.01 % (100 ppm) 0.05 ppm/C (0 C to + 60 C) 0.002 % (20 ppm) 0.002 % (20 ppm) 0.002 % (20 ppm) 0.15 % 0.1 % 0.4 % 0.01 % (100 ppm) 0.01 % (100 ppm) 0.05 % (500 ppm) 0.002 % (20 ppm) 0.005 % (50 ppm) 0.01 % (100 ppm) 0.2 % 0.2 % 0.01 % (100 ppm) 0.01 % (100 ppm) 0.002 % (20 ppm) 0.002 % (20 ppm) 0.5 % 2.0 % 0.015 % (150 ppm) 0.05 % (500 ppm) 0.01 % (100 ppm) 0.03 % (300 ppm) 0.5 % 0.015 % (150 ppm) 0.01 % (100 ppm) 2.0 % 0.1 % (1000 ppm) 0.05 % (500 ppm) 0.005 %/V < 0.00001 %/V < 0.00001 %/V STANDARD MEASUREMENT (at room temperature) Standard Test Conditions: * Temperature: + 23 C 2 C * Relative humidity: 35 to 65 % RH * Lead test point: 0.5" (12.7 mm) from resistor body IMPROVED PERFORMANCE TESTING The preceding information is based on product directly off the production line. Improved performance (meaning increased time stability with load and other stresses) is available through factory conducted "Improved Performance Testing". The test routine is usually tailored to the user's stability objectives. A screened product can be brought down to a potential load life drift of less than 50 ppm. For example, the data sheet "7 Technical Reasons to Specify BMF Resistive Components" shows the drift characteristics of a standard product. Various screen test routines are available and all anticipated stresses must be taken into account before settling on one specific test routine. Our Applications Engineering Department is available to discuss and recommend appropriate routines given the full spectrum of anticipated stresses and stability requirements. Document Number: 63143 Revision: 03-Nov-08 For any questions, contact: foil@vishay.com www.vishay.com 3 VSA101 (Z-Foil) Vishay Foil Resistors Ultra High Precision Axial Z-Foil Resistor with TCR of 0.05 ppm/C, PCR of 5 ppm at Rated Power, Tolerance of 0.005 % and Load Life Stability of 0.005 % TABLE 4 - GLOBAL PART NUMBER INFORMATION NEW GLOBAL PART NUMBER: Y0098250R000V9L (preferred part number format) DENOTES PRECISION Y VALUE R= K = k AER* 0 = standard part, tin/lead termination 9 = standard part, lead (Pb)-free termination Other = custom Y 0 0 9 8 2 5 0 R 0 0 0 V 9 L PRODUCT CODE 0098 = VSA101 RESISTANCE TOLERANCE V = 0.005 % T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % PACKAGING L = bulk pack FOR EXAMPLE: ABOVE GLOBAL ORDER Y0098 250R000 V 9 L: TYPE: VSA101 VALUE: 250.0 ABSOLUTE TOLERANCE: 0.005 % TERMINATION: lead (Pb)-free PACKAGING: bulk pack HISTORICAL PART NUMBER: VSA101 T 250R00 V B (will continue to be used) VSA101 MODEL VSA101 T TERMINATION T = lead (Pb)-free None = tin/lead alloy 250R00 RESISTANCE VALUE 250R00 = 250.00 5K2310 = 5.231 k V TOLERANCE V = 0.005 % T = 0.01 % Q = 0.02 % A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % B PACKAGING B = bulk pack Note * Application engineering release: for non-standard requests, please contact application engineering. www.vishay.com 4 For any questions, contact: foil@vishay.com Document Number: 63143 Revision: 03-Nov-08 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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