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Z201T250R00QB Datasheet(PDF) 3 Page - Vishay Siliconix |
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Z201T250R00QB Datasheet(HTML) 3 Page - Vishay Siliconix |
3 / 5 page Document Number: 63113 For any questions, contact: foil@vishay.com www.vishay.com Revision: 19-Apr-07 3 Z201 (Z-Foil) Ultra High Precision 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 % Vishay Foil Resistors 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. TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON MIL-PRF-55182 CHAR J VISHAY Z201 MAXIMUM ΔR TYPICAL ΔR Test Group I Thermal Shock Short Time Overload ± 0.2 % ± 0.2 % ± 0.01 % (100 ppm) ± 0.01 % (100 ppm) ± 0.002 % (20 ppm) ± 0.003 % (30 ppm) Test Group II Resistance Temperature Characteristic Low Temperature Storage Low Temperature Operation Terminal Strength ± 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) Test Group III DWV Resistance to Solder Heat Moisture Resistance ± 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) Test Group IV Shock Vibration ± 0.2 % ± 0.2 % ± 0.01 % (100 ppm) ± 0.01 % (100 ppm) ± 0.002 % (20 ppm) ± 0.002 % (20 ppm) Test Group V Life Test at 0.3 W/+ 125 °C 2000 hours 10 000 hours ± 0.5 % ± 2.0 % ± 0.015 % (150 ppm) ± 0.05 % (500 ppm) ± 0.01 % (100 ppm) ± 0.03 % (300 ppm) Test Group Va Life Test at 0.6 W (2 x Rated Power)/+ 70 °C, 2000 hours ± 0.5 % ± 0.015 % (150 ppm) ± 0.01 % (100 ppm) Test Group VI High Temperature Exposure ± 2.0 % ± 0.1 % (1000 ppm) ± 0.05 % (500 ppm) Test Group VII Voltage Coefficient 0.005 %/V < 0.00001 %/V < 0.00001 %/V |
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