Isabellenhütte A-H1 Series

  • Isabellenhütte

Product Features

  • 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

Applications

The A-H1 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 low resistance values ranging from 1mΩ to 100Ω. The A-H1 series from Isabellenhütte has a low inductance of <10nH 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/°C (+20°C to +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-H1 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 for more information.

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Specifications

Dimensions 18.5 x 5 x 46mm
Product Type

Package / Size

Resistance Value

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Minimum Resistance

Maximum Resistance

Tolerance

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Temperature Coefficient

Current Rating

Power Rating

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Temperature Range (°C)

Series / Model

Termination / Connection

Isabellenhütte A-H1 Series Ordering Info

Below is the model number configuration for the A-H1 series from Isabellenhütte.

Ordering example: A-H1-R005-F1-K2-1.0
A-H1XXXXXX-XXX.X

Series / Model (A-H1)

A-H1
A-H1

Resistance Value (XXXX)

Resistance value, in ohms, is expressed by a series of 4 characters, 3 of which represent significant digits. R (ohms) designates the location of the decimal point.

 

Termination / Connection (XX-XX)

F1-K2
F1-K2

Tolerance (X.X)

0.1
±0.1%
1.0
±1%

Isabellenhütte A-H1 Series – Available Resistance Values and Tolerances


Resistance Value Part Number Value 0.1% Tolerance 1% Tolerance
0.001Ω R001
0.005Ω R005
0.01Ω R010
0.02Ω R020
0.05Ω R050
0.1Ω R100
0.2Ω R200
0.25Ω R250
0.3Ω R300
0.5Ω R500
1Ω 1R00
5Ω 5R00
33Ω 33R0
100Ω 100R

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-H1 Series Resources

Product Datasheet

Supporting Product Information

Supporting Manufacturer Information

  • Isabellenhütte

Isabellenhütte A-H1 Series

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.