The USF370 series resistors are matched to the extreme, eliminating thermal drift in high voltage measurements, resulting in the highest quality resistor set.
**Set of Selected Resistors Achieving Top-Level Temperature Stability for High Voltage DC Measurement** The 'Type USFS' from Cadock, USA, is an ultra-high stability high voltage resistor set that individually measures and automatically selects ultra-precision resistors of the 'USF370/371' series, achieving a total temperature coefficient (TC) of 2 ppm/°C or less. **Main Features** - **Overwhelming Set TC:** Highly matching the temperature characteristics of each element, guaranteeing an absolute TC of 2 ppm/°C for the entire series connected set. - **Extremely Low Voltage Coefficient (VC):** The change in resistance value due to fluctuations in applied voltage is minimal (0.005 ppm/V), eliminating errors in a wide range of high voltage measurements. - **Suppression of Dielectric Absorption:** Specially designed to minimize the dielectric absorption phenomenon that disrupts transient responses in high voltage circuits. - **Applications:** High-precision high voltage power supply generation devices, standard calibrators, precision physical property and analytical instruments. **Main Specifications** - **Maximum Operating Voltage:** 3kVDC / 5kVDC - **Total Resistance Value of Set:** 30MΩ / 50MΩ / 100MΩ - **Set Tolerance:** ±0.10% - **Set Temperature Coefficient:** 2 ppm/°C (+10℃ to +50℃)
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Our company was established in September 1975 as the import sales agent for BECKMAN (now BI Technology Japan Co., Ltd.), RCL-ELECTRONICS (now IRC), and CADDOCK ELECTRONICS. Since then, we have expanded our offerings to include LED products, rectifiers, relays, memory ICs from GENERAL INSTRUMENT (now VISHAY), various switches from ITW, and currently engage in the import and sales of a wide range of electronic components. Additionally, since 1977, we have also been importing mechanisms, ICs, and other electronic components for small cassettes.
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