Caddock USF240 Series

Caddock USF240 Series
The USF240 series from Caddock are ultra-stable low temperature coefficient (TCR) film resistors, with a resistance range of between 50Ω and 10MΩ, low TCR of ±2 ppm/°C and with a tolerance of ±0.01% or ±0.1%. The USF240 are constructed with two selected USF300 series resistors bonded back to back for parallel connection on the PCB and using a ceramic package provides cool operation. 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 50Ω and 10MΩ
  • TCR of ±2 ppm/°C
  • Tolerance of ±0.01% or ±0.1%
  • Operating temperature -40°C to +85°C
  • Maximum working voltage of 300V
  • Ceramic package provides cool operation.
  • Maximum power rating of 0.33W 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 USF240 model:

Caddock USF240 series Specifications
Specifications
Additional Features
  • Ultra-stable radial leaded film through-hole resistors
  • Constructed with two selected USF300 series resistors bonded back to back for parallel connection on the PCB
  • Maximum working voltage of 300V
  • 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
  • 0.33W (at +85°C)
Maximum Resistance
  • 10MΩ
Minimum Resistance
  • 50Ω
TCR
  • ±2 ppm/°C
Tolerance
  • ±0.01%
  • ±0.1%

RoHS Compliance

This product is available fully compliant to the RoHS EU directive 2011/65/EU.

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  • Product Code: Caddock USF240 Series
  • SKU: Caddock USF240 Series
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Available Options

Tags: USF240 - 50.0 - 0.10% - 2 ppm, USF240 - 100 - 0.10% - 2 ppm, USF240 - 200 - 0.10% - 2 ppm, USF240 - 250 - 0.10% - 2 ppm, USF240 - 350 - 0.10% - 2 ppm, USF240 - 500 - 0.10% - 2 ppm, USF240 - 900 - 0.10% - 2 ppm, USF240 - 1.00 K - 0.10% - 2 ppm, USF240 - 2.00 K - 0.10% - 2 ppm, USF240 - 2.50 K - 0.10% - 2 ppm, USF240 - 5.00 K - 0.10% - 2 ppm, USF240 - 9.00 K - 0.10% - 2 ppm, USF240 - 10.0 K - 0.10% - 2 ppm, USF240 - 20.0 K - 0.10% - 2 ppm, USF240 - 25.0 K - 0.10% - 2 ppm, USF240 - 50.0 K - 0.10% - 2 ppm, USF240 - 90.0 K - 0.10% - 2 ppm, USF240 - 99.0 K - 0.10% - 2 ppm, USF240 - 100 K - 0.10% - 2 ppm, USF240 - 200 K - 0.10% - 2 ppm, USF240 - 250 K - 0.10% - 2 ppm, USF240 - 500 K - 0.10% - 2 ppm, USF240 - 1.00 Meg - 0.10% - 2 ppm, USF240 - 2.00 Meg - 0.10% - 2 ppm, USF240 - 2.50 Meg - 0.10% - 2 ppm, USF240 - 9.90 Meg - 0.10% - 2 ppm, USF240 - 9.99 Meg - 0.10% - 2 ppm, USF240 - 10.0 Meg - 0.10% - 2 ppm, USF240 - 50.0 - 0.01% - 2 ppm, USF240 - 100 - 0.01% - 2 ppm, USF240 - 200 - 0.01% - 2 ppm, USF240 - 250 - 0.01% - 2 ppm, USF240 - 350 - 0.01% - 2 ppm, USF240 - 500 - 0.01% - 2 ppm, USF240 - 900 - 0.01% - 2 ppm, USF240 - 1.00 K - 0.01% - 2 ppm, USF240 - 2.00 K - 0.01% - 2 ppm, USF240 - 2.50 K - 0.01% - 2 ppm, USF240 - 5.00 K - 0.01% - 2 ppm, USF240 - 9.00 K - 0.01% - 2 ppm, USF240 - 10.0 K - 0.01% - 2 ppm, USF240 - 20.0 K - 0.01% - 2 ppm, USF240 - 25.0 K - 0.01% - 2 ppm, USF240 - 50.0 K - 0.01% - 2 ppm, USF240 - 90.0 K - 0.01% - 2 ppm, USF240 - 99.0 K - 0.01% - 2 ppm, USF240 - 100 K - 0.01% - 2 ppm, USF240 - 200 K - 0.01% - 2 ppm, USF240 - 250 K - 0.01% - 2 ppm, USF240 - 500 K - 0.01% - 2 ppm, USF240 - 1.00 Meg - 0.01% - 2 ppm, USF240 - 2.00 Meg - 0.01% - 2 ppm, USF240 - 2.50 Meg - 0.01% - 2 ppm, USF240 - 9.90 Meg - 0.01% - 2 ppm, USF240 - 9.99 Meg - 0.01% - 2 ppm, USF240 - 10.0 Meg - 0.01% - 2 ppm, USF240-50.0-0.01%-2ppm, USF240-100-0.01%-2ppm, USF240-200-0.01%-2ppm, USF240-250-0.01%-2ppm, USF240-350-0.01%-2ppm, USF240-500-0.01%-2ppm, USF240-900-0.01%-2ppm, USF240-1.00K-0.01%-2ppm, USF240-2.00K-0.01%-2ppm, USF240-2.50K-0.01%-2ppm, USF240-5.00K-0.01%-2ppm, USF240-9.00K-0.01%-2ppm, USF240-10.0K-0.01%-2ppm, USF240-20.0K-0.01%-2ppm, USF240-25.0K-0.01%-2ppm, USF240-50.0K-0.01%-2ppm, USF240-90.0K-0.01%-2ppm, USF240-99.0K-0.01%-2ppm, USF240-100K-0.01%-2ppm, USF240-200K-0.01%-2ppm, USF240-250K-0.01%-2ppm, USF240-500K-0.01%-2ppm, USF240-1.00Meg-0.01%-2ppm, USF240-2.00Meg-0.01%-2ppm, USF240-2.50Meg-0.01%-2ppm, USF240-9.90Meg-0.01%-2ppm, USF240-9.99Meg-0.01%-2ppm, USF240-10.0Meg-0.01%-2ppm, USF240-50.0-0.10%-2ppm, USF240-100-0.10%-2ppm, USF240-200-0.10%-2ppm, USF240-250-0.10%-2ppm, USF240-350-0.10%-2ppm, USF240-500-0.10%-2ppm, USF240-900-0.10%-2ppm, USF240-1.00K-0.10%-2ppm, USF240-2.00K-0.10%-2ppm, USF240-2.50K-0.10%-2ppm, USF240-5.00K-0.10%-2ppm, USF240-9.00K-0.10%-2ppm, USF240-10.0K-0.10%-2ppm, USF240-20.0K-0.10%-2ppm, USF240-25.0K-0.10%-2ppm, USF240-50.0K-0.10%-2ppm, USF240-90.0K-0.10%-2ppm, USF240-99.0K-0.10%-2ppm, USF240-100K-0.10%-2ppm, USF240-200K-0.10%-2ppm, USF240-250K-0.10%-2ppm, USF240-500K-0.10%-2ppm, USF240-1.00Meg-0.10%-2ppm, USF240-2.00Meg-0.10%-2ppm, USF240-2.50Meg-0.10%-2ppm, USF240-9.90Meg-0.10%-2ppm, USF240-9.99Meg-0.10%-2ppm, USF240-10.0Meg-0.10%-2ppm