Isabellenhütte FMK Series

Isabellenhütte FMK Series

The FMK precision resistor series is part of the new FMx resistor family from Isabellenhütte, filling the gap in the market for 1-5mΩ resistance values in small chip sizes. This resistor series offers chip size of 1206, very good long-term stability and low thermoelectric voltages. The available resistance values are 1mΩ, 5mΩ and 6mΩ, with selection of tolerances of ±1% and ±5%, and temperature coefficient under ±50 ppm/K. The FMK series from Isabellenhütte also features a constant current of up to 40A (1mΩ), power rating of up to 4W (at 70°C) and is suitable for both reflow and IR soldering. These resistors are designed to be AEC-Q200 qualified (status pending). Their operating temperature range is between -65°C and +170°C.

  • Precision resistor with 1206 chip size
  • Continuous current load up to 40A (0.001Ω)
  • 1mΩ, 5mΩ and 6mΩ resistance values are available
  • TCR value of under ±50 ppm/K (between +20°C and +60°C)
  • Applicable temperature range from -65°C to +170°C
  • Tolerance ±1.0% and ±5.0%
  • Excellent long term stability
  • Power rating up to 4W at 70°C (depending on the resistance value required)
  • Suitable for IR and reflow soldering
  • Conforms to AEC-Q200 (qualification pending)

Typical applications for the FMK series include:

  • Current sensor for power hybrid applications
  • Control systems for the automotive market
  • Frequency converters and power modules
  • Switch mode power supplies

The below table gives an overview of the specifications for the Isabellenhütte FMK series:

Isabellenhütte FMK Specifications
Specifications
Additional Features
  • Surface-mount precision resistor
  • AEC-Q200 compliant (qualification pending)
  • Excellent long term stability
  • Continuous current load up to 40A (0.001Ω)
  • IR and Reflow solderable
  • New for 2019: the only product series offering these resistance ranges in a standard 1206 package
Maximum Power Rating up to 4W (at 70°C)
Maximum Resistance 6mΩ
Minimum Resistance 1mΩ
Operating Temperature -65° to +170°C
Package/Size 1206
TCR <50 ppm/K (between +20°C and +60°C)
Tolerance
  • ±1.0%
  • ±5.0%

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 Document Isabellenhütte FMK surface-mount precision resistor series datasheet
PDF Document Isabellenhütte introduce new FMx series of precision 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
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

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

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  • Product Code: Isabellenhütte FMK Series
  • SKU: Isabellenhütte FMK Series
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Tags: fmk-r001, fmk-r005, fmk-r006, fmk r001, fmk r005, fmk r006, fmk-r001-1.0, fmk-r005-1.0, fmk-r006-1.0, fmk-r001-5.0, fmk-r005-5.0, fmk-r006-5.0