Isabellenhütte A-H2 Series

  • Compliant
  • Isabellenhütte

Product Features

  • 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

Applications

  • Power Control
  • Scientific Instrumentation
  • Test and Measurement

Description

The A-H2 current sensing precision resistor series from Isabellenhütte offers 4-terminal through-hole connection technology for current sensing applications. Designed for easy heat sink mounting, the Kelvin connections on this resistor allow high precision measurements even with a low resistance value range from 1mΩ to 100Ω available. The A-H2 series from Isabellenhütte has low inductance and has high pulse power handling capabilities.

  • 4-terminal current sensing resistor
  • Through-hole
  • Resistance range from 0.001Ω to 100Ω
  • Tolerance options available of ±0.1% and ±1%
  • TCR of <±30 ppm/K (between +20°C and +60°C)
  • Temperature range from -55°C to +140°C
  • Power rating of 10W on a suitable heat sink
  • Power rating of 3W in free air
  • Inductance of <10nH
  • Maximum constant current of 81A
  • Designed for easy heat sink mounting
  • Low self-heating

 

Typical applications for the A-H2 current sensing precision resistor series include:

  • Measurement equipment
  • Reference resistors in laboratories
  • Current sources
  • Laboratory power supplies

Isabellenhütte A-H Series Specification Table

AttributesValue
Resistance value *1mΩ to 100Ω
Tolerance±0.1% / ±1%
TCR<±30 ppm/°C (20-60°C)
Temperature range-55°C to +140°C
Power rating3W (free air) / 10W (on a suitable heatsink)
Thermal resistance to ambient<15°C/W (Rth)
Thermal resistance to aluminium substrate<3°C/W (Rthi)
Dielectric withstanding voltage500V AC/DC
Inductance<10nH
Stability (deviation after 2000hrs)<0.1% (Tᴋ = 80°C with heatsink) / <0.2% (Tᴋ = 95°C with heatsink)
Tᴋ = Terminal Temperature

* Please visit the Ordering Info tab or contact us for further details

 

Isabellenhütte is one of the world’s leading suppliers of high-quality precision and power resistors. They produce these low-resistance resistors for a variety of applications such as the ones above. Isabellenhütte & Rhopoint Components are your ideal partners when it comes to achieving the best possible measurement results in the smallest spaces. Please visit www.isabellenhuette.de/en/ for more information.

Specifications

Dimensions 38 × 5 × 25.5 mm
Minimum Resistance

Temperature Coefficient

Maximum Resistance

Series / Model

Tolerance

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Power Rating

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Current Rating

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Isabellenhütte A-H2 Series Resources

Product Datasheet

Supporting Product Information

Supporting Manufacturer Information

Isabellenhütte A-H2 Series Ordering Info

The A-H2 resistor series is available with various options including standard resistance values and tolerances. The information below gives an example of the part numbering system used for these resistors and the standard options available.

Below is an example of the part number break down for the A-H2 resistor series:

A-H2 Series Ordering Info

Isabellenhütte A-H2 Series – Available Resistance Values and Tolerances


Resistance Value Part Number Value 0.1% Tolerance 1.0% Tolerance
0.001Ω R001
0.002Ω R002
0.005Ω R005
0.01Ω R010
0.02Ω R020
0.05Ω R050
0.1Ω R100
0.2Ω R200
0.5Ω R500
1Ω 1R00
2Ω 2R00
5Ω 5R00
10Ω 10R0
20Ω 20R0
100Ω 100R

* Other resistance values available upon request

Isabellenhütte Video Library

We are very pleased to provide you with a range of videos, please see below for the latest content available:

VIDEOS
Introduction to Isabellenhütte Heusler GmbH & Co. KG

Introduction video to Isabellenhütte, their business and product applications examples

Isabellenhütte precision and power resistors application overview

This video highlights customer applications and application options of Isabellenhütte’s precision and power resistors

VIDEOS
Introduction to Isabellenhütte Heusler GmbH & Co. KG

Introduction video to Isabellenhütte, their business and product applications examples

Isabellenhütte precision and power resistors application overview

This video highlights customer applications and application options of Isabellenhütte’s precision and power resistors

Isabellenhütte A-H2 Series

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