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Supporting Manufacturer Information

US series

Caddock USF240 Series

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
Temperature range from -40°C up to +85°C

Caddock USF270 Series

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 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
Temperature range from -40°C up to +85°C

Caddock USF271 Series

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 2.5kV
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
Temperature range from -40°C up to +85°C

Caddock USF340 Series

Ultra-stable radial leaded film through-hole resistors
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
Temperature range from -40°C up to +85°C

Caddock USF370 Series

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
Temperature range from -40°C up to +85°C

Caddock USF371 Series

Ultra-stable radial leaded film through-hole resistors
Maximum working voltage of 2.5kV
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
Temperature range from -40°C up to +85°C

Caddock USFS Series

Ultra-stable radial leaded film through-hole resistor sets
Sets are available with either 3 or 5 selected USF300 series resistors (model dependent)
Voltage coefficient as low as 0.005 ppm/V per resistor set (model dependent)
Ceramic package provides cool operation
Utilising Caddock’s proprietary resistance film systems
Available in 30MΩ, 50MΩ and 100MΩ sets
Multiple USFS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings

Caddock USG1105 Series

Ultra-stable precision high voltage axial leaded film through-hole resistors
Typical load life stability 0.025% per 1,000 hours
Temperature range -40°C to +85°C
Utilising Caddock’s Tetrinox® resistance film systems
Custom low TC HV strings are available: 50KV, 100KV, etc.

Caddock USG1110 Series

Ultra-stable precision high voltage axial leaded film through-hole resistors
Typical load life stability 0.025% per 1,000 hours
Temperature range -40°C to +85°C
Utilising Caddock’s Tetrinox® resistance film systems
Custom low TC HV strings are available: 50KV, 100KV, etc.

Caddock USG1115 Series

Ultra-stable precision high voltage axial leaded film through-hole resistors
Typical load life stability 0.025% per 1,000 hours
Temperature range -40°C to +85°C
Utilising Caddock’s Tetrinox® resistance film systems
Custom low TC HV strings are available: 50KV, 100KV, etc.

Caddock USGS Series

Ultra-stable axial leaded film through-hole resistor sets
Sets are available with either 3 or 5 selected USG1110 series resistors (model dependent)
Voltage coefficient as low as 0.02 ppm/V per resistor set (model dependent)
Utilising Caddock’s Tetrinox® resistance film systems
Available in 300MΩ and 500MΩ sets
Multiple USGS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings

Caddock USF240 Series

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
Temperature range from -40°C up to +85°C

Caddock USF270 Series

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 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
Temperature range from -40°C up to +85°C

Caddock USF271 Series

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 2.5kV
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
Temperature range from -40°C up to +85°C

Caddock USF340 Series

Ultra-stable radial leaded film through-hole resistors
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
Temperature range from -40°C up to +85°C

Caddock USF370 Series

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
Temperature range from -40°C up to +85°C

Caddock USF371 Series

Ultra-stable radial leaded film through-hole resistors
Maximum working voltage of 2.5kV
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
Temperature range from -40°C up to +85°C

Caddock USFS Series

Ultra-stable radial leaded film through-hole resistor sets
Sets are available with either 3 or 5 selected USF300 series resistors (model dependent)
Voltage coefficient as low as 0.005 ppm/V per resistor set (model dependent)
Ceramic package provides cool operation
Utilising Caddock’s proprietary resistance film systems
Available in 30MΩ, 50MΩ and 100MΩ sets
Multiple USFS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings

Caddock USG1105 Series

Ultra-stable precision high voltage axial leaded film through-hole resistors
Typical load life stability 0.025% per 1,000 hours
Temperature range -40°C to +85°C
Utilising Caddock’s Tetrinox® resistance film systems
Custom low TC HV strings are available: 50KV, 100KV, etc.

Caddock USG1110 Series

Ultra-stable precision high voltage axial leaded film through-hole resistors
Typical load life stability 0.025% per 1,000 hours
Temperature range -40°C to +85°C
Utilising Caddock’s Tetrinox® resistance film systems
Custom low TC HV strings are available: 50KV, 100KV, etc.

Caddock USG1115 Series

Ultra-stable precision high voltage axial leaded film through-hole resistors
Typical load life stability 0.025% per 1,000 hours
Temperature range -40°C to +85°C
Utilising Caddock’s Tetrinox® resistance film systems
Custom low TC HV strings are available: 50KV, 100KV, etc.

Caddock USGS Series

Ultra-stable axial leaded film through-hole resistor sets
Sets are available with either 3 or 5 selected USG1110 series resistors (model dependent)
Voltage coefficient as low as 0.02 ppm/V per resistor set (model dependent)
Utilising Caddock’s Tetrinox® resistance film systems
Available in 300MΩ and 500MΩ sets
Multiple USGS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings