Alpha Electronics has been a manufacturer of VPG Bulk Metal® Foil resistors since 1978. Known worldwide for their accuracy and reliability, the components are widely used in a range of applications, including automatic test equipment (ATE); weighing scales; precision instrumentation; aerospace, military, laboratory and metrology, and medical systems; industrial process control; high-end audio; and more.
Alpha Electronics continues to focus on the needs of today and the requirements of the future.
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APR, a VPG Foil Resistors brand, has taken high precision resistors to a new level -now standardized and affordable to all. Designed and manufactured in their fully automated plant in Japan, allow us to introduce you to… the RWX Series.
The PE ultra-precision power shunt resistor series from Alpha Electronics offers 4-terminal (Kelvin) connection for current sensing and a power rating of up to 10W on a heat sink or 1.5W in free air (at +70°C) over a resistance range of 0.5Ω to 500Ω. By utilising Alpha’s Bulk Metal® foil resistor technology, they are able to offer low temperature coefficients down to ±2.5 ppm/°C between the resistance range 5Ω and 500Ω as well as tight tolerances down to ±0.01% between 25Ω and 500Ω.
The RWB precision wraparound SMD resistor series from Alpha Electronics offers resistances from 10Ω up to 10kΩ, all with a small 0805 chip size. By utilising Alpha's Bulk Metal® foil resistor technology, they are able to offer low tolerances down to ±0.02% (between 1kΩ and 10kΩ) as well as a low TCR of ±2 ppm/°C (between -25°C and +125°C) from 100Ω up to 10kΩ. The Alpha RWB series also offers excellent load-life stability of ±0.005% typical (+70°C, 2000 hours at rated power).