• Isabellenhütte

Current Sensing Precision Shunt Resistor

Isabellenhütte FMK Series

  • Current sensing resistor
  • Surface-mount 1206 chip size
  • Resistance range from 0.002Ω to 0.006Ω
  • Tolerances of ±1% and ±10%
  • TCR of <50 ppm/°C
  • Power rating up to 3.5W at 70°C
  • Temperature range from -65°C to +170°C
  • Compliant

The FMK current sensing precision shunt resistor series is part of the new FMx resistor family from Isabellenhütte, This resistor series offers a chip size of 1206, very good long-term stability and low thermoelectric voltages. The available resistance values are 0.002Ω, 0.003Ω, 0.004Ω, 0.005Ω and 0.006Ω, with selection of tolerances of ±1%, ±5% and ±10%, and temperature coefficient under <50 ppm/°C. The FMK series from Isabellenhütte also features a constant current of up to 41A (0.002Ω), power rating of up to 3.5W (at 70°C) and is suitable for both reflow and IR soldering. These resistors are designed to be AEC-Q200 qualified. Their operating temperature range is between -65°C and +170°C.

  • Current sensing resistor
  • Surface-mount 1206 chip size
  • Resistance values of 0.002Ω, 0.003Ω, 0.004Ω, 0.005Ω, and 0.006Ω,
  • Tolerances of ±1%, ±5% and ±10%
  • TCR of <50 ppm/°C (+20°C to +60°C)
  • Power rating up to 3.5W (at 70°C)
  • Continuous current load up to 41A (2mΩ)
  • Temperature range from -65°C to +170°C
  • Suitable for IR and reflow soldering
  • Inductance of <1nH
  • Stability of <0.5% (TK=80°C) / <1.0% (TK=110°C) (at rated power, deviation after 2000h)
  • AEC-Q200 qualified

 

Typical applications for the FMK current sensing precision shunt resistor series include:

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

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.

Specifications

Dimensions 0.40 x 1.52 x 3.05mm
Product Type

Package / Size

,

Series / Model

Resistance Value

, , , ,

Minimum Resistance

0.002Ω

Maximum Resistance

0.006Ω

Tolerance

, ,

Temperature Coefficient

Current Rating

Power Rating

, , , , ,

Temperature Range (°C)

-65 to +170°C

Material Type

,

Due to the technical complexity nature of these components, complete specifications, performance data, dimensional information and configuration options are provided within the product datasheet.

Ordering Info

Below is the model number configuration for the FMK series from Isabellenhütte.
Ordering example: FMK-M-R002-1.0
FMK-X-XXXXX-X

Series / Model (FMK)

FMK
FMK

Material Type (X)

M
MANGANIN®
V
NOVENTIN®

Resistance Value (XXXXX)

Resistance value, in ohms, is expressed by a series of 4 or 5 characters, where the character R (ohms) designates the location of the decimal point.

Tolerance (X.X)

1.0
±1%
5.0
±5%

Product Variations

SKUResistance ValueToleranceMaterial Type
Isa FMK-M-R002-1.00.002Ω±1%MANGANIN®
Isa FMK-M-R002-5.00.002Ω±5%MANGANIN®
Isa FMK-M-R003-1.00.003Ω±1%MANGANIN®
Isa FMK-M-R003-5.00.003Ω±5%MANGANIN®
Isa FMK-V-R004-1.00.004Ω±1%NOVENTIN®
Isa FMK-V-R004-5.00.004Ω±5%NOVENTIN®
Isa FMK-V-R004-10.00.004Ω±10%NOVENTIN®
Isa FMK-V-R005-1.00.005Ω±1%NOVENTIN®
Isa FMK-V-R005-5.00.005Ω±5%NOVENTIN®
Isa FMK-V-R006-1.00.006Ω±1%NOVENTIN®
Isa FMK-V-R006-5.00.006Ω±5%NOVENTIN®

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

Resources

Product Datasheet

Supporting Product Information

Supporting Manufacturer Information

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Current Sensing Precision Shunt Resistor

Isabellenhütte FMK Series