VPG Foil Resistors Announces Ultra-High Precision Military and Space Grade Resistors for High-Performance Current Sensing within Mission-Cri

July 23, 2017 Embassy Global LLC for Vishay Precision Group, Inc.
VPG Foil Resistors Model 303337 Ultra-High Precision Military and Space Grade Resistors
VPG Foil Resistors Model 303337 Ultra-High Precision Military and Space Grade Resistors

July 24, 2017 - Malvern, Pa – The VPG Foil Resistors product group of Vishay Precision Group (NYSE: VPG) (www.vpgfoilresistors.com), manufacturers of the industry’s most precise and stable precision resistors, today introduced the Model 303337 ultra-high precision military and space-grade resistor, offering high-performance current sensing within mission-critical applications.

The Model 303337 produces a highly precise voltage that is directly proportional to measured current levels, with significantly reduced component sensitivity to applied power changes, including PCR and thermal resistance values. The industry-exclusive design of the Model 303337 incorporates VPG’s own proprietary Bulk Metal® Z Foil resistive technology, along with a four-terminal Kelvin connection, for ultra-high precision current sensing and temperature stability to 3W. Additional attributes include a low temperature coefficient of resistance (TCR) of ±5 ppm/°C (–55°C to +125°C, at +25°C ref.), for reduced risk of measurement errors due to temperature changes; improved load-life stability of ±0.02% (typ.), at +70°C for 2000 hours (rated power); a low power coefficient of resistance (PCR) of 5 ppm/W at rated power; a resistance tolerance to ±0.1%; a 100 to 200 mΩ resistance range; a short-time overload of 0.005% typical; an electrostatic discharge (ESD) limit of

To ensure total resistor reliability and conformance to published specifications, each unit undergoes stringent testing across its full batch lot. A Quality Conformance Inspection report accompanies each shipment, detailing all test data collected during Environmental Test Laboratory studies. The report offers design engineers a reliable set of data for the anticipation of actual resistor performance within an intended installation environment. Data includes screen/test flow per EEE- INST-002 (Tables 2A and 3A, Film/Foil, Level 1), MIL-PRF-55342 and MIL-PRF-49465, among other parameters. For customer convenience, prototype quantities of the Model 303337 resistor are also available with expedited deliveries. Please contact foil@vpgsensors.com for details.

The Model 303337 ultra-high precision surface mount resistor may be specified within demanding and mission-critical military, aerospace, defense and space applications, including those where a precision resistor is required to quickly reach thermal equilibrium, within circuits that either require fast response times, or which are characterized by rapid current changes. Within the military, aerospace, defense and space industries, typical applications include commercial and military avionics, switching linear power supplies, power amplifiers, power management systems, feedback circuits, measurement instrumentation and associated automatic test equipment. Other applications include switching and linear power supplies, precision high current-sensing, power management systems, feedback circuits, power amplifiers, and precision electronic scales. To learn more about VPG Foil Resistors and its available product offerings, visit www.vpgfoilresistors.com.

Product page link: www.vishaypg.com/foil-resistors/power-current-s[...]

Datasheet: www.vishaypg.com/doc?63271

Bulk Metal is a registered trademark of Vishay Precision Group, Inc. (VPG).

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About VPG

Vishay Precision Group, Inc. is an internationally recognized designer, manufacturer and marketer of: components based on its resistive foil technology; sensors; and sensor-based measurement systems specializing in the growing markets of stress, force, weight, pressure, and current measurements. VPG is a market leader of foil technology products, providing ongoing technology innovations in precision foil resistors and foil strain gages, which are the foundation of the company’s force sensors products and its weighing and control systems. The product portfolio consists of a variety of well-established brand names recognized for precision and quality in the marketplace. To learn more, visit VPG at www.vpgsensors.com.

About VPG Foil Resistors

VPG Foil Resistors produces the most precise and stable resistors available. Distinguished by the premier brands Vishay Foil Resistors, Powertron, and Alpha Electronics, the VPG Foil Resistors portfolio includes discrete resistors and resistor networks in surface mount and through-hole (fixed-lead) configurations; customized chip resistor networks; precision trimming potentiometers; and discrete chips for use in hybrid circuits. These devices are used in applications requiring a high degree of precision and stability, such as in medical testing equipment, semiconductor equipment, precision measuring instruments, aerospace, and military applications. To learn more about VPG Foil Resistors, visit www.vpgfoilresistors.com.

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