Caddock USF370 Series

Caddock USF370 Series

The USF370 series from Caddock are ultra-stable low temperature coefficient (TCR) film resistors, with a resistance range of between 990KΩ and 10MΩ, low TCR of ±5 ppm/°C and with a tolerance of ±0.01% or ±0.1%. The USF370 are constructed with an aluminum oxide ceramic sandwich which provides great thermal conductivity which very effectively minimizes the power coefficient drift. Utilising Caddock proprietary resistance film systems, they provide the lowest TCR and the highest voltage ratings available in the industry.

  • Ultra-stable radial leaded film through-hole resistors
  • Resistance values available are between 990KΩ and 10MΩ
  • TCR of ±5 ppm/°C
  • Tolerance of ±0.01% or ±0.1%
  • Operating temperature -40°C to +85°C
  • Maximum working voltage of 1,400V
  • Ceramic package provides cool operation
  • Maximum power rating of 0.75W at +85°C
  • Utilising Caddock's proprietary resistance film systems

The USF Ultra-Stable Resistors are offered in standard resistance values that are most commonly used in precision analog design and can be used in

  • Precise amplifier gain setting
  • Precise resistor bridge circuits
  • Precise transducer sense circuits
  • Precise voltage dividers with up to 2500 volt input voltage

The below table gives the specifications available for the complete USF series including the USF370 model:

Caddock USF370 series Specifications
Additional Features
  • Ultra-stable radial leaded film through-hole resistors
  • Maximum working voltage of 1.4kV
  • Ceramic package provides cool operation
  • Utilising Caddock's proprietary resistance film systems
  • Available in standard resistance values most commonly used in precision analog design
  • Zero nominal TCR
  • Operating temperature range from -40°C up to +85°C
Maximum Power Rating 0.75W (at +85°C)
Maximum Resistance 10MΩ
Minimum Resistance 990kΩ
TCR ±5 ppm/°C
  • ±0.01%
  • ±0.1%

This product is available fully compliant to the RoHS EU directive 2011/65/EU and 2015/863/EU

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  • Product Code: Caddock USF370 Series
  • SKU: Caddock USF370 Series
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Tags: USF370 - 990 K - 0.10% - 5 ppm, USF370-1.00 Meg-0.10%-5 ppm, USF370-1.98 Meg-0.10%-5 ppm, USF370-2.00 Meg-0.10%-5 ppm, USF370-4.00 Meg-0.10%-5 ppm, USF370-5.00 Meg-0.10%-5 ppm, USF370-9.90 Meg-0.10%-5 ppm, USF370-9.99 Meg-0.10%-5 ppm, USF370-10.0 Meg-0.10%-5 ppm, USF370 - 990 K - 0.01% - 5 ppm, USF370-1.00 Meg-0.01%-5 ppm, USF370-1.98 Meg-0.01%-5 ppm, USF370-2.00 Meg-0.01%-5 ppm, USF370-4.00 Meg-0.01%-5 ppm, USF370-5.00 Meg-0.01%-5 ppm, USF370-9.90 Meg-0.01%-5 ppm, USF370-9.99 Meg-0.01%-5 ppm, USF370-10.0 Meg-0.01%-5 ppm, USF370-990K-0.10%-5ppm, USF370-1.00Meg-0.10%-5ppm, USF370-1.98Meg-0.10%-5ppm, USF370-2.00Meg-0.10%-5ppm, USF370-4.00Meg-0.10%-5ppm, USF370-5.00Meg-0.10%-5ppm, USF370-9.90Meg-0.10%-5ppm, USF370-9.99Meg-0.10%-5ppm, USF370-10.0Meg-0.10%-5ppm, USF370-990K-0.01%-5ppm, USF370-1.00Meg-0.01%-5ppm, USF370-1.98Meg-0.01%-5ppm, USF370-2.00Meg-0.01%-5ppm, USF370-4.00Meg-0.01%-5ppm, USF370-5.00Meg-0.01%-5ppm, USF370-9.90Meg-0.01%-5ppm, USF370-9.99Meg-0.01%-5ppm, USF370-10.0Meg-0.01%-5ppm