Isabellenhütte SMS-PW Series

Isabellenhütte SMS-PW Series

The SMS-PW surface-mount current sensing resistor series from Isabellenhütte offers SnPb tinned connections suitable for aviation and aerospace applications being ESCC 4001/027 qualified. Higher power ratings and low internal temperature rises due to the larger pad termination sizes. The Manganin® alloy resistance element has a resistance range of 0.003Ω to 1Ω, TCR of ±50ppm/K  at ≥0.01Ω or ±100ppm/K at <0.01Ω over the temperature range of +22°C to +60°C (please see the table below for further information) and offers excellent long term stability. The SMS-PW model offers these capabilities in a 2512 chip size.

  • 2-terminal surface-mount resistor with large solder pads
  • SnPb tinned connections
  • Suitable for 2 pad layout
  • Resistance range available 0.003Ω to 1Ω
  • Permanent power rating of 2W (at +120°C)
  • Constant current up to 25A (0.005Ω)
  • Applicable temperature range -65°C to +170°C
  • Tolerance options available ±0.5% and ±1% (depending on the resistance values required)
  • 2512 chip size
  • ESCC 4001/027 qualified

Typical applications for the SMS-PW series include:

  • Aviation and aerospace applications
  • 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 Isabellenhütte SMS-PW series:

Isabellenhütte SMS-PW Specifications

* Please contact us or see the ordering info tab for more information on the standard resistance values and tolerance

Specifications
Additional Features
  • 2-terminal surface-mount resistor
  • Suitable for aviation and aerospace applications
  • ESCC 4001/027 qualified
  • SnPb tinned connections
  • Constant current up to 25A (0.005Ω)
  • Excellent long-term stability
  • Applicable temperature range -55°C to +170°C
  • High pulse power rating
Maximum Power Rating 2W (at +120°C)
Maximum Resistance
Minimum Resistance 0.003Ω
Package/Size 2512
TCR -55°C to +22°C
  • -100ppm/K to +0ppm/K (≥0.01Ω)
  • -140ppm/K to +0ppm/K (<0.01Ω)
+22°C to +60°C
  • ±50ppm/K (≥0.01Ω)
  • ±100ppm/K (<0.01Ω)
+22°C to +170°C
  • ±60ppm/K (≥0.01Ω)
  • ±100ppm/K (<0.01Ω)
Tolerance
  • ±0.5%
  • ±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 Document Standard Isabellenhütte SMS surface-mount 2-terminal precision resistor series datasheet
PDF Document ESCC detailed specification no. 4001/027
PDF Document Isabellenhütte ESCC approved parts for Aviation and Aerospace applications flyer
PDF Document Isabellenhütte 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 SMS-PW 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 SMS-PW resistor series:

SMS-PW Part Number Example

The following table highlights the standard resistance values and the ESCC component numbers for the SMS-PW resistor series:

SMP-PW Series Available Parts

* Other resistance values available on request

This product is not compliant to the RoHS EU directive 2011/65/EU.

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  • Product Code: Isabellenhütte SMS-PW Series
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Available Options

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