Scientific Instrumentation

Services

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 PE Series

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 RWA Series

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 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

Ametherm ACC-001

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 ACC-002

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 ACC-003

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 ACC-004

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 ACW-005

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 ACW-006

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 ACW-007

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 BVS Series

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 5E10 Mini-Ohm Series

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 1776 Series

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 1787 Series

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 1789 Series

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 CC1512FC Series

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