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.

  • Alpha Electronics
  • Ultra-precision 4 terminal shunt resistor
  • Resistance range form 0.5Ω to 500Ω
  • Tolerance from ±0.01% to ±5%
  • TCR of ±2.5 ppm/°C, ±5 ppm/°C or ±15 ppm/°C
  • Power rating of upto 10W (on a heat sink at 70°C)
  • Temperature range from -55°C up to +155°C
  • Alpha Electronics
  • High precision wraparound resistor
  • Resistance range form 100Ω to 5kΩ
  • Tolerance of ±005% or ±0.1%
  • TCR of ±5 ppm/°C
  • Power rating of 0.1W (at 70°C)
  • Temperature range from -65°C to +155°C
  • Alpha Electronics
  • 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
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Brown coloured small bead design
  • Resistance of 2.252kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Red coloured small bead design
  • Resistance of 3kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Orange coloured small bead design
  • Resistance of 5kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Yellow coloured small bead design
  • Resistance of 10kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Yellow colour code
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Green colour small bead design
  • Resistance of 30kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Blue coloured small bead design
  • Resistance of 50kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Ametherm
  • Precision interchangeable NTC thermistor
  • Violet coloured small bead design
  • Resistance of 100kΩ (at 25°C)
  • Tolerance of ±0.2°C
  • Maximum power rating of 250mW
  • Temperature range from -40°C to +150°C
  • Isabellenhütte
  • Current sensing resistor
  • Surface-mount 3920 chip size
  • Resistance range from 0.0002Ω to 0.003Ω
  • Tolerances of ±1.0% and ±5.0%
  • TCR value from ±50 ppm/°C
  • Power rating up to 12W (at 70°C)
  • Temperature range from -65°C to +170°C
  • General Resistance
  • Wirewound axial leaded precision resistor
  • Resistance range from 10Ω up to 200kΩ
  • Tight tolerances of ±0.01% and ±0.1%
  • TCR of ±5 ppm/°C
  • Power rating up to 0.2W (5E10D model)
  • Temperature range from -55°C up to +160°C
  • Caddock
  • Precision voltage dividers
  • Resistance ranges from 900Ω to 10MΩ
  • Absolute Tolerance of +0 -0.5%, ±0.1% or ±0.25%
  • VCR from ±0.02 ppm/V to ±0.5 ppm/V
  • Voltage rating of 750V up to 1.2kV
  • Temperature range 1 from -40°C to +85°C Temperature range 2 from 0°C to +70°C
  • Caddock
  • Current sensing resistor network
  • Resistance ranges from 0.9Ω to 1kΩ
  • Absolute Tolerance of ±0.05%, ±0.1% or ±0.25%
  • TCR from ±50 ppm/°C to ±100 ppm/°C
  • Power rating of 1W depending on the model
  • Temperature range from -55°C to +85°C
  • Caddock
  • Precision resistor network
  • Resistance range from 0.5Ω to 10kΩ
  • Tolerance of ±0.05% to ±1.0%
  • TCR of ±50, ±80 or ±100 ppm/°C
  • Power rating of 100mW up to 2W per resistor
  • Temperature range from 0°C to +70°C
  • Caddock
  • Current sense resistor
  • Resistance range from 0.01Ω to 10Ω
  • Tolerance from ±1.0% to ±5.0%
  • TCR of -20 to +80, 0 to +200 or +300 ppm/°C
  • Power rating of 0.75W at 70°C
  • Temperature range from -55°C to +150°C
Please be advised that due to the ongoing supply issues with raw materials affecting the global electronics industry, as well as an increase in orders received by our manufacturing partners, a large number of products are facing increased lead times in recent months. For the latest lead time and stock availability, please contact one of our engineers who will be happy to discuss lead times further and the potential for alternative parts.