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Supporting Manufacturer Information

±2 ppm/°C series

Alpha RWB Series

High precision wraparound resistor
Resistance range form 10Ω to 10kΩ
Tolerance from ±0.02% to ±0.5%
TCR of ±2 ppm/°C, ±5 ppm/°C or ±10 ppm/°C
Power rating of 0.2W (at 70°C)
Temperature range from -65°C to +155°C

Alpha RWC Series

High precision wraparound resistor
Resistance range form 5Ω to 130kΩ
Tolerance from ±0.01% to ±0.5%
TCR of ±2 ppm/°C, ±5 ppm/°C or ±10 ppm/°C
Power rating of 0.3W (at 70°C)
Temperature range from -65°C to +155°C

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 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

Susumu URG1608 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 100V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant

Susumu URG2012 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 150V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant

Susumu URG3216 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 200V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant

Susumu URG5025 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 300V
Thin film structure enabling low noise, anti-sulfur
AEC-Q200 compliant.

Susumu URG6432 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 300V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant

Alpha RWB Series

High precision wraparound resistor
Resistance range form 10Ω to 10kΩ
Tolerance from ±0.02% to ±0.5%
TCR of ±2 ppm/°C, ±5 ppm/°C or ±10 ppm/°C
Power rating of 0.2W (at 70°C)
Temperature range from -65°C to +155°C

Alpha RWC Series

High precision wraparound resistor
Resistance range form 5Ω to 130kΩ
Tolerance from ±0.01% to ±0.5%
TCR of ±2 ppm/°C, ±5 ppm/°C or ±10 ppm/°C
Power rating of 0.3W (at 70°C)
Temperature range from -65°C to +155°C

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 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

Susumu URG1608 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 100V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant

Susumu URG2012 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 150V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant

Susumu URG3216 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 200V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant

Susumu URG5025 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 300V
Thin film structure enabling low noise, anti-sulfur
AEC-Q200 compliant.

Susumu URG6432 Series

Surface-mount ultra precision thin film chip resistor
Temperature range of −55°C to +155°C
Maximum voltage of 300V
Thin film structure enabling low noise and anti-sulfur
AEC-Q200 compliant