Isabellenhütte A-H1 Series

Isabellenhütte A-H1 Series
The A-H1 through-hole resistor series from Isabellenhütte offers 4-terminal 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 range from 0.001Ω to 100Ω available. The A-H1 series from Isabellenhütte has low inductance and has high pulse power handling capabilities.
  • 4-terminal through-hole resistor
  • Designed for easy heat sink mounting
  • Select values between the resistance range 0.001Ω to 100Ω available
  • Power rating 10W on a suitable heat sink (3W power rating in free air)
  • Maximum permanent current of 81A (constant)
  • Applicable temperature range from -55°C to +140°C
  • Tolerance options available ±0.1% and ±1% (depending on the resistance values required)
  • TCR of <30 ppm/K (between +20°C and +60°C)
  • Low self-heating

Typical applications for the A-H1 series include:

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

The below table gives an overview of the specifications for the Isabellenhütte A-H1 series:

Isabellenhütte A-H1 Specifications

* Please contact us for available parts or see the ordering information tab

Specifications
Additional Features
  • 4-terminal through-hole resistor
  • Designed for easy heat sink mounting
  • Maximum permanent current at 81A
  • Low self-heating
  • Very high precision of tolerance and TCR
  • Applicable temperature range -55°C to +140°C
  • Up to 10W permanent power
Maximum Power Rating
  • 10W (on a heat sink)
  • 3W (in free air)
Maximum Resistance
  • 100Ω
Minimum Resistance
  • 0.001Ω
TCR
  • <30 ppm/K (between +20°C and +60°C)
Tolerance
  • ±0.1%
  • ±1.0%

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:

 

 

DOCUMENTATION
PDF DocumentIsabellenhütte A-H through-hole 4-terminal resistor series datasheet
PDF DocumentIsabellenhütte low-ohmic and power resistors product catalogue

 

 

 

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

The A-H1 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-H1 resistor series:

A-H1 Part Number Example

 

 

The following table highlights the standard resistance values and tolerances available for the A-H1 resistor series:

A-H1 Series Available Parts

RoHS Compliance

This product is available fully compliant to the RoHS EU directive 2011/65/EU.

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  • Product Code: Isabellenhütte A-H1 Series
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Available Options

Tags: A-H1-R001-F1-K2-0.1, A-H1-R001-F1-K2-1.0, A-H1-R005-F1-K2-1.0, A-H1-R010-F1-K2-0.1, A-H1-R020-F1-K2-0.1, A-H1-R050-F1-K2-0.1, A-H1-R100-F1-K2-0.1, A-H1-R200-F1-K2-0.1, A-H1-R250-F1-K2-0.1, A-H1-R300-F1-K2-0.1, A-H1-R500-F1-K2-0.1, A-H1-1R00-F1-K2-0.1, A-H1-5R00-F1-K2-0.1, A-H1-10R0-F1-K2-0.1, A-H1-33R0-F1-K2-0.1, A-H1-100R-F1-K2-0.1, Isabellenhuette