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VPG Foil Resistors Introduces Ultra-High Precision Molded Surface Mount Resistor with Z1 Foil Technology and Flexible Terminations
Z1 Foil Technology improves overall environmental performances and long-term stability
MALVERN, PA, USA – September 11, 2018 — VPG Foil Resistors, a product group of Vishay Precision Group, Inc. (NYSE:VPG) and a manufacturer of the industry’s most precise and stable precision resistors, today announced a new ultra-high precision Vishay Foil Resistors molded surface-mount resistor with Z1 Foil Technology and flexible terminations. The SMR3Z1 resistor meets all of the criteria that define a precision resistor, including low temperature coefficient of resistance (TCR), long-term stability, low noise, low thermal electromotive force (EMF), and non-measurable voltage coefficient. The product enhances overall circuit stability and measurement functionalities.
The SMR3Z1 resistor’s low absolute temperature coefficient of resistance (TCR) reduces errors due to temperature gradients and it can withstand harsh environmental conditions. These characteristics make the resistor ideal for the high temperatures and radiation-rich environments found in down-hole exploration and well logging, and deep-sea underwater repeaters in transoceanic communications. The molded package design and flexible terminations ensure minimal stress transference, addressing a concern in printed circuit board (PCB) applications where chips of 1206 and larger dimensions can delaminate or the PCB can develop cracks from thermal shock.
The SMR3Z1 resistor is also ideal for applications in precision amplifiers, differential amplifiers, pulse applications, control systems, and power supplies, particularly in the medical, industrial, audio, low frequency, military, aeronautics, and space exploration industries.
The Vishay Foil Resistors SMR3Z1 resistor is based on Z1 Foil Technology, the latest generation of Bulk Metal® Foil technology. Devices with Z1 Foil Technology excel over all previous stability standards for precision resistors with significant improvement in environmental stability. They are virtually insensitive to destabilizing factors. These unique traits are achieved through the use of a solid alloy that is matched to the ceramic substrate with polyimide bonding to enable a uniform thickness of the bond line, superior adhesion strength, and improved resistance to moisture.
Precision resistors built with Bulk Metal® Foil technology provide very low temperature coefficient of resistance (TCR) and exceptional long-term stability even in extreme temperatures. Vishay Foil Resistors devices provide a wide range of resistance values, and can be produced with any resistance value within their given range, at any tolerance, with no additional cost or lead time effect.
For details on the features, benefits, applications and other details on the ultra-high precision Vishay Foil Resistor SMR3Z1molded surface mount resistor with Z1 Foil Technology and flexible terminations, please visit: www.vishaypg.com/ppg?63273. Interested customers are welcome to contact the Vishay Foil Resistors Application Engineering Department for support and recommendations for SMR3Z1 applications, including non-standard technical requirements and special applications at foil@vpgsensors.com Additional products built on the unique Bulk Metal® Foil technology can be accessed on www.vishayfoilresistors.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, visit www.vpgfoilresistors.com.
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.
Bulk Metal is a registered trademark of Vishay Precision Group, Inc. (VPG).