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VHP-3T500R00JB Datasheet(PDF) 1 Page - Vishay Siliconix |
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VHP-3T500R00JB Datasheet(HTML) 1 Page - Vishay Siliconix |
1 / 6 page Document Number: 63005 For any questions, contact: foil@vishay.com www.vishay.com Revision: 31-Oct-07 1 VHP-3, VHP-4, VPR247 Vishay Foil Resistors Bulk Metal® Foil Technology Hermetically Sealed Power and Current Sensing Resistor with TCR of 2 ppm/°C and Power up to 10 Watts Any value available within resistance range Vishay Bulk Metal® Foil power resistors offer the best approach to low value power and current sensing when a combination of accuracy, tight TCR, low thermal EMF, low voltage coefficient, Kelvin connection, and long term stability (under power) are required. Vishay Models VHP-3 and VHP-4 offer all welded construction and screw mounting directly to a metal heat sink for maximum heat transfer. Hermetic sealing and nitrogen back fill provide the maximum protection against environmental stresses, thereby ensuring long term stability. A special feature of this construction is Kovar eyelet’s and OFHC solder plated copper leads providing the lowest thermal EMFs in the industry. Vishay Model VPR247 has many of the advantages of the VHP-4 but with significantly reduced size and weight. It also has gold plated copper leads. Our Application Engineering department is available to advise and to make recommendations. For non-standard technical requirements and special applications, please contact us. FEATURES • Temperature coefficient of resistance TCR: ± 2 ppm/°C typical (- 55 °C to + 125 °C, + 25 °C ref.) (see tables 1 and 2) • Tolerance: to ± 0.01 % (see tables 1 and 2) • Power rating (heat-sinked): 10 W • Load life stability: ± 0.01 % at 25 °C, 2000 h at rated power • Resistance range: 0.05 Ω to 80 kΩ • Electrostatic discharge (ESD) above 25 000 V • Non inductive, non capacitive design • Rise time: 1.0 ns without ringing • Current noise: < - 40 dB • Thermal EMF: 0.05 µV/°C typical • Voltage coefficient: < 0.1 ppm/V • Non inductive: 0.08 µH • Non hot spot design • Terminal finishes available: VHP-3 and VHP-4: lead (Pb)-free tin/lead alloy VPR247: gold plated • Any value available within resistance range (e.g. 1K234) • Prototype samples available from 48 h. For more information, please contact foil@vishay.com • For better performances, please contact Application Engineering Notes 1. Weight of VHP-3 and VHP-4 = 15 g maximum VPR247 = 7 g maximum 2. Available up to 500 Ω 3. - 55 °C to + 125 °C, + 25 °C ref. 4. See figure 5 * Pb containing terminations are not RoHS compliant, exemptions may apply Available Pb-free RoHS* COMPLIANT TABLE 1 - VHP-31) SPECIFICATIONS RESISTANCE RANGE ( Ω) TIGHTEST TOLERANCE TYPICAL TCR3), 4) MAXIMUM TCR3) 50 to 80K ± 0.01 % ± 2 ppm/°C ± 5 ppm/°C 25 to < 50 ± 0.02 % ± 7 ppm/°C 10 to < 25 ± 0.05 % ± 10 ppm/°C 5 to < 10 ± 0.1 % ± 13 ppm/°C 2 to < 5 ± 0.25 % ± 20 ppm/°C 1 to < 2 ± 0.5 % ± 25 ppm/°C 0.5 to < 1 ± 1.0 % ± 50 ppm/°C 0.25 to < 0.5 ± 2.0 % 0.1 to < 0.25 ± 5.0 % TABLE 2 - VHP-4 AND VPR247 SPECIFICATIONS1), 2) RESISTANCE RANGE ( Ω) TIGHTEST TOLERANCE TYPICAL TCR3), 4) MAXIMUM TCR3) 10 to 500 ± 0.01 % ± 2 ppm/°C ± 5 ppm/°C 5 to < 10 ± 0.02 % ± 6 ppm/°C 2 to < 5 ± 0.05 % ± 8 ppm/°C 1 to < 2 ± 0.1 % ± 10 ppm/°C 0.5 to < 1 ± 0.25 % ± 15 ppm/°C 0.25 to < 0.5 ± 0.5 % ± 20 ppm/°C 0.1 to < 0.25 ± 1.0 % ± 25 ppm/°C 0.05 to < 0.1 ± 2.0 % ± 30 ppm/°C |
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