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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.

Scientific Instrumentation

SRT Microcéramique Low Voltage High Capacitance X7R Capacitors

High capacitance SMD capacitors
Capacitance from 1.0µF to 47µF
TCR of ±15% with 0Vdc applied
Voltages from 4V to 100V
IR 25°C/Un 10⁴MΩ / 500Ω-Farad whichever is less *
Dielectric X7R
Operating temperatures of -55°C to +125°C **

SRT Microcéramique Low Voltage High Capacitance X7S Capacitors

High capacitance SMD capacitors
Capacitance from 1.0µF to 100µF
TCR of ±22% with 0Vdc applied
Voltages from 4V to 100V
IR 25°C/Un 10⁴MΩ / 500Ω-Farad whichever is less *
Dielectric X7S
Operating temperatures of -55°C to +125°C

Cell Guard Development Kit

In order to quickly plug in and evaluate your Cell Guard sensor, use this Development Board which has all the necessary cables to plug into a CAN adaptor. Includes:

Cell Guard Development Board
Power Supply
Sensor Cables
DB9 Cable

Cell Guard Sensor not included

DTPM Adaptor Board AB126/127 Assembly

Adaptor Board AB126/127 with SMD resistors
Resistance ranges from 0.0068Ω to 3.9Ω *
Tolerances of 0.5% and 1%
Power Rating of 5W

DTPM Adaptor Board AB129 Assembly

Adaptor Board AB129 with SMD resistors
Resistance ranges from 0.001Ω to 1Ω *
Tolerances of 0.5% and 1%
Power Rating of 4W

Metis Engineering Cell Guard

Cell Guard is a CAN-based environmental sensor for use with Battery Packs in Energy Storage Systems and Electric Vehicles. It measures absolute pressure, air temperature, VOCs, absolute humidity, relative humidity, dew point temperature, and shock load and duration. For quick desktop analysis, use alongside the Cell Guard Development Kit.

VPG 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

VPG 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

VPG 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

Isabellenhütte IVT 3 Base

Current measurement sensor (ASIL C)
Current measurement up to 4,000A (Ext)
Temperature Measurement
Communication based on CAN 2.0B with DBC
Total accuracy of ±0.4% of rdg. +0.1A
Supply voltage 12V/24V**
Temperature range from -40°C to +125°C

Isabellenhütte IVT 3 Pro

Current measurement sensor (ASIL C)
3V or 6V measurement channels (ASIL B)
Active insulation monitoring (QM)
Temperature measurement
Current measurement up to 4,000A (Ext)
Voltage measurement up to 1,250V (Ext)
Temperature range from -40°C to +125°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

SRT Microcéramique Low Voltage High Capacitance X7R Capacitors

High capacitance SMD capacitors
Capacitance from 1.0µF to 47µF
TCR of ±15% with 0Vdc applied
Voltages from 4V to 100V
IR 25°C/Un 10⁴MΩ / 500Ω-Farad whichever is less *
Dielectric X7R
Operating temperatures of -55°C to +125°C **

SRT Microcéramique Low Voltage High Capacitance X7S Capacitors

High capacitance SMD capacitors
Capacitance from 1.0µF to 100µF
TCR of ±22% with 0Vdc applied
Voltages from 4V to 100V
IR 25°C/Un 10⁴MΩ / 500Ω-Farad whichever is less *
Dielectric X7S
Operating temperatures of -55°C to +125°C

Cell Guard Development Kit

In order to quickly plug in and evaluate your Cell Guard sensor, use this Development Board which has all the necessary cables to plug into a CAN adaptor. Includes:

Cell Guard Development Board
Power Supply
Sensor Cables
DB9 Cable

Cell Guard Sensor not included

DTPM Adaptor Board AB126/127 Assembly

Adaptor Board AB126/127 with SMD resistors
Resistance ranges from 0.0068Ω to 3.9Ω *
Tolerances of 0.5% and 1%
Power Rating of 5W

DTPM Adaptor Board AB129 Assembly

Adaptor Board AB129 with SMD resistors
Resistance ranges from 0.001Ω to 1Ω *
Tolerances of 0.5% and 1%
Power Rating of 4W

Metis Engineering Cell Guard

Cell Guard is a CAN-based environmental sensor for use with Battery Packs in Energy Storage Systems and Electric Vehicles. It measures absolute pressure, air temperature, VOCs, absolute humidity, relative humidity, dew point temperature, and shock load and duration. For quick desktop analysis, use alongside the Cell Guard Development Kit.

VPG 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

VPG 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

VPG 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

Isabellenhütte IVT 3 Base

Current measurement sensor (ASIL C)
Current measurement up to 4,000A (Ext)
Temperature Measurement
Communication based on CAN 2.0B with DBC
Total accuracy of ±0.4% of rdg. +0.1A
Supply voltage 12V/24V**
Temperature range from -40°C to +125°C

Isabellenhütte IVT 3 Pro

Current measurement sensor (ASIL C)
3V or 6V measurement channels (ASIL B)
Active insulation monitoring (QM)
Temperature measurement
Current measurement up to 4,000A (Ext)
Voltage measurement up to 1,250V (Ext)
Temperature range from -40°C to +125°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

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