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 Isabellenhütte 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.

  • Caddock
  • 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
  • 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
  • Core Sensors
  • 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 +85°C
  • Compensated temperatures from 0 to +55°C
  • Core Sensors
  • Industrial temperature transmitter
  • RTD sensor type, PT100, Class B
  • Media temperature range of -40°C up to +200°C *
  • Operating temperature range of -40°C up to +85°C
  • Total error at RT & FS of ≤±1%
  • Maximum pressure of 5,000 PSI
  • Amplified 4-20mA or 1-5V output signal
  • Core Sensors
  • Non-incendive pressure transducer
  • Pressure ranges from 50 PSI to 30,000 PSI
  • Accuracy of ≤±0.25% BFSL at 25°C
  • Stability of ≤±0.25% of FS
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum
  • Burst pressure of 5x or 60,000 PSI
  • Core Sensors
  • Non-incendive low pressure transducer
  • Pressure ranges from 1 PSI up to 49 PSI
  • Temperature range from −20°C up to +80°C *
  • Accuracy of ≤±0.25% BFSL at 25°C **
  • Stability of ≤±0.25% of FS (1 year)
  • Pressure cycles of 100 million
  • Overpressure of 2x minimum
  • Core Sensors
  • Non-Incendive Differential Pressure Transducer
  • Differential pressure up to 50 PSI
  • Line pressure up to 500 PSI
  • Accuracy of ≤±0.25% BFSL / ≤±0.5% BFSL (2 PSI & below)
  • Overpressure of 2X or 500 PSI (whichever is less)
  • Temperature range −40°C to +80°C
  • Media temperature of -40 to +125°C
  • Coto Technology
  • TMR digital push-pull magnetic sensor
  • Operate sensitivity of 15 G (typical)
  • Average supply current of 12μA 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
  • TMR digital push-pull magnetic sensor
  • Operate sensitivity of 10 G (typical)
  • Average supply current of 1.9μA 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
  • Isabellenhütte
  • A-H1 current sense resistor
  • 4-terminal through-hole design
  • Resistance range from 0.001Ω to 100Ω
  • Tolerance of ±0.1% or ±1%
  • TCR of <±30 ppm/°C
  • Power rating of 10W on a suitable heat sink
  • Temperature range from -55°C to +140°C
  • Isabellenhütte
  • Current sense resistor
  • 4-terminal through-hole design
  • Resistance range from 0.001Ω to 100Ω
  • Tolerance of ±0.1% or ±1%
  • TCR of <±30 ppm/°C
  • Power rating of 10W on a suitable heat sink
  • Temperature range from -55°C to +140°C
  • Isabellenhütte
  • Current sensing resistor
  • 4-terminal through-hole design
  • Resistance range from 0.002Ω to 5Ω
  • Tolerance of ±0.1% or ±1%
  • TCR of <±3 ppm/°C or <±10 ppm/°C (+20°C to +60°C)
  • Power rating 10W on a suitable heat sink
  • Temperature range from -55°C to +140°C
  • Isabellenhütte
  • Current sensing resistor
  • 4-terminal through-hole design
  • Resistance range from 0.002Ω to 1Ω
  • Tolerance of ±0.1% or ±1%
  • TCR of <±3 ppm/°C or <±10 ppm/°C (+20°C to +60°C)
  • Power rating 10W on a suitable heat sink
  • Temperature range from -55°C to +140°C
  • Isabellenhütte
  • Current sensing resistor
  • 4-terminal surface-mount design
  • Resistance range from 0.0003Ω to 0.0005Ω
  • Tolerance ±5.0%
  • TCR of <±20 ppm/°C
  • Power rating of 3W
  • Temperature range from -55°C to +140°C
  • Isabellenhütte
  • Current sensing resistor
  • 3812 chip size
  • Resistance range from 0.002Ω to 0.025Ω
  • Tolerances from ±1%
  • TCR from ±100 ppm/°C
  • Power rating of 2W (at 120°C)
  • Temperature range from -55°C to +170°C
  • Isabellenhütte
  • Current sensing resistor
  • 4-terminal surface-mount 1216 package
  • Resistance range from 0.0003Ω to 0.003Ω
  • Tolerance ±1.0% or ±5.0%
  • TCR value <50 ppm/°C
  • Power rating 10W (at +70°C)
  • Temperature range from -65°C to +170°C