New Industry Products

Caddock Electronics Debuts USF200 Series Resistors

January 26, 2003 by Jeff Shepard

Caddock Electronics Inc. (Riverside, CA) announced the new USF200 Series of ultra-precision film resistors, which exhibit a maximum temperature coefficient of ±2ppm/°C from -40°C to +85°C and are designed for use in amplifier gain setting, bridge circuit, reference resistor, and precision voltage divider applications with input voltages up to 2.5kV.

Available with standard values from 50 ohms to 10 megohms with ±0.01 percent and ±0.1 percent tolerance, the series is available with voltage and power ratings of 300V, 0.33W (USF240); 1.4kV, 0.75W (USF270); and 2.5kV, 0.75W (USF271). The resistors are manufactured with an alumina ceramic sandwich that offers improved thermal performance and provides increased heat flow away from the resistor element minimizing the temperature rise in the resistor due to power dissipation as compared to "plastic package" resistors. The resistors have a loadlife stability of up to 2,000h at rated voltage/power (85°C).