Scientific Instrumentation

  • Caddock

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 -40ยฐC up to +85ยฐC
  • Caddock

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 -40ยฐC up to +85ยฐC
  • Caddock

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 -40ยฐC up to +85ยฐC
  • Caddock

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 -40ยฐC up to +85ยฐC
  • Caddock

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 -40ยฐC up to +85ยฐC
  • Caddock

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 -40ยฐC up to +85ยฐC
  • Caddock

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 30Mฮฉ, 50Mฮฉ and 100Mฮฉ sets
  • Multiple USFS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings
  • Core Sensors

Core Sensors CS15 Series

  • Non-Clogging submersible pressure transducer
  • Pressure ranges from 2 PSI to 50 PSI
  • Flush diaphragm prevents clogging
  • Hastelloy C276 diaphragm material
  • IP68 rated
  • Operating temperature of -40 to +85ยฐC
  • Compensated temperatures from 0 to +55ยฐC
  • Core Sensors

Core Sensors CS20 Series

  • Industrial temperature transmitter
  • RTD sensor type, PT100, Class B
  • Media temperature range of -40ยฐC up to +200ยฐC *
  • Operating temperature range of -40ยฐC up to +85ยฐC
  • Total error at RT & FS of โ‰คยฑ1%
  • Maximum pressure of 5,000 PSI
  • Amplified 4-20mA or 1-5V output signal
  • Core Sensors

Core Sensors CS50 Series

  • Non-incendive pressure transducer
  • Pressure ranges from 50 PSI to 30,000 PSI
  • Accuracy of โ‰คยฑ0.25% BFSL at 25ยฐC
  • Stability of โ‰คยฑ0.25% of FS
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum
  • Burst pressure of 5x or 60,000 PSI
  • Core Sensors

Core Sensors CS51 Series

  • Non-incendive low pressure transducer
  • Pressure ranges from 1 PSI up to 49 PSI
  • Temperature range from โˆ’20ยฐC up to +80ยฐC *
  • Accuracy of โ‰คยฑ0.25% BFSL at 25ยฐC **
  • Stability of โ‰คยฑ0.25% of FS (1 year)
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum
  • Core Sensors

Core Sensors CS54 Series

  • Non-Incendive Differential Pressure Transducer
  • Differential pressure up to 50 PSI
  • Line pressure up to 500 PSI
  • Accuracy of โ‰คยฑ0.25% BFSL / โ‰คยฑ0.5% BFSL (2 PSI & below)
  • Overpressure of 2X or 500 PSI (whichever is less)
  • Temperature range โˆ’40ยฐC to +80ยฐC
  • Media temperature of -40 to +125ยฐC
  • Coto Technology

Coto RR122-1E72/1E73 Series

  • TMR digital push-pull magnetic sensor
  • Operate sensitivity of 15 G (typical)
  • Average supply current of 12ฮผA at 3V (typical)
  • Supply voltage range of 1.7V to 5.5V
  • Omnipolar push-pull response
  • Operating frequency of 2500Hz
  • SOT-23-3 (511) package
  • Coto Technology

Coto RR122-3C62/3C63 Series

  • TMR digital push-pull magnetic sensor
  • Operate sensitivity of 10 G (typical)
  • Average supply current of 1.9ฮผA at 3V (typical)
  • Supply voltage range of 1.7V to 5.5V
  • Bipolar Latching push-pull response
  • Operating frequency of 500Hz
  • SOT-23-3 (511) package
  • Isabellenhรผtte

Isabellenhรผtte A-H1 Series

  • A-H1 current sense resistor
  • 4-terminal through-hole design
  • Resistance range from 0.001ฮฉ to 100ฮฉ
  • Tolerance of ยฑ0.1% or ยฑ1%
  • TCR of <ยฑ30 ppm/ยฐC
  • Power rating of 10W on a suitable heat sink
  • Temperature range from -55ยฐC to +140ยฐC
  • Isabellenhรผtte

Isabellenhรผtte A-H2 Series

  • Current sense resistor
  • 4-terminal through-hole design
  • Resistance range from 0.001ฮฉ to 100ฮฉ
  • Tolerance of ยฑ0.1% or ยฑ1%
  • TCR of <ยฑ30 ppm/ยฐC
  • Power rating of 10W on a suitable heat sink
  • Temperature range from -55ยฐC to +140ยฐC

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 -40ยฐC up to +85ยฐC

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 -40ยฐC up to +85ยฐC

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 -40ยฐC up to +85ยฐC

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 -40ยฐC up to +85ยฐC

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 -40ยฐC up to +85ยฐC

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 -40ยฐC up to +85ยฐC

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 30Mฮฉ, 50Mฮฉ and 100Mฮฉ sets
  • Multiple USFS selected resistor sets can be used in series to achieve higher total resistances and higher voltage ratings

Core Sensors CS15 Series

  • Non-Clogging submersible pressure transducer
  • Pressure ranges from 2 PSI to 50 PSI
  • Flush diaphragm prevents clogging
  • Hastelloy C276 diaphragm material
  • IP68 rated
  • Operating temperature of -40 to +85ยฐC
  • Compensated temperatures from 0 to +55ยฐC

Core Sensors CS20 Series

  • Industrial temperature transmitter
  • RTD sensor type, PT100, Class B
  • Media temperature range of -40ยฐC up to +200ยฐC *
  • Operating temperature range of -40ยฐC up to +85ยฐC
  • Total error at RT & FS of โ‰คยฑ1%
  • Maximum pressure of 5,000 PSI
  • Amplified 4-20mA or 1-5V output signal

Core Sensors CS50 Series

  • Non-incendive pressure transducer
  • Pressure ranges from 50 PSI to 30,000 PSI
  • Accuracy of โ‰คยฑ0.25% BFSL at 25ยฐC
  • Stability of โ‰คยฑ0.25% of FS
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum
  • Burst pressure of 5x or 60,000 PSI

Core Sensors CS51 Series

  • Non-incendive low pressure transducer
  • Pressure ranges from 1 PSI up to 49 PSI
  • Temperature range from โˆ’20ยฐC up to +80ยฐC *
  • Accuracy of โ‰คยฑ0.25% BFSL at 25ยฐC **
  • Stability of โ‰คยฑ0.25% of FS (1 year)
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum

Core Sensors CS54 Series

  • Non-Incendive Differential Pressure Transducer
  • Differential pressure up to 50 PSI
  • Line pressure up to 500 PSI
  • Accuracy of โ‰คยฑ0.25% BFSL / โ‰คยฑ0.5% BFSL (2 PSI & below)
  • Overpressure of 2X or 500 PSI (whichever is less)
  • Temperature range โˆ’40ยฐC to +80ยฐC
  • Media temperature of -40 to +125ยฐC

Coto RR122-1E72/1E73 Series

  • TMR digital push-pull magnetic sensor
  • Operate sensitivity of 15 G (typical)
  • Average supply current of 12ฮผA at 3V (typical)
  • Supply voltage range of 1.7V to 5.5V
  • Omnipolar push-pull response
  • Operating frequency of 2500Hz
  • SOT-23-3 (511) package

Coto RR122-3C62/3C63 Series

  • TMR digital push-pull magnetic sensor
  • Operate sensitivity of 10 G (typical)
  • Average supply current of 1.9ฮผA at 3V (typical)
  • Supply voltage range of 1.7V to 5.5V
  • Bipolar Latching push-pull response
  • Operating frequency of 500Hz
  • SOT-23-3 (511) package

Isabellenhรผtte A-H1 Series

  • A-H1 current sense resistor
  • 4-terminal through-hole design
  • Resistance range from 0.001ฮฉ to 100ฮฉ
  • Tolerance of ยฑ0.1% or ยฑ1%
  • TCR of <ยฑ30 ppm/ยฐC
  • Power rating of 10W on a suitable heat sink
  • Temperature range from -55ยฐC to +140ยฐC

Isabellenhรผtte A-H2 Series

  • Current sense resistor
  • 4-terminal through-hole design
  • Resistance range from 0.001ฮฉ to 100ฮฉ
  • Tolerance of ยฑ0.1% or ยฑ1%
  • TCR of <ยฑ30 ppm/ยฐC
  • Power rating of 10W on a suitable heat sink
  • Temperature range from -55ยฐC to +140ยฐC

Resources

Scientific Instrumentation

A wide range of precision and ultra-precision resistors from Alpha Electronics, General Resistance and Susumu, power resistors from Caddock and current sensing resistors and shunts from Isabellenhรผtte in a variety surface-mount and through-hole packages and virtually any resistance value.

Variety of NTC and PTC thermistors, thermal probes and inrush current limiters from Ametherm.

A range of digital isolators from NVE Corporation, based on their patented spintronic GMR technology.