Isabellenhütte SMT-PW Series

Isabellenhütte SMT-PW Series

The SMT-PW surface-mount current sensing resistor series from Isabellenhütte offers SnPb tinned connections suitable for aviation and aerospace applications being ESCC 4001/027 qualified. Designed for 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 0.004Ω to 2Ω, 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 SMT-PW model offers these capabilities in a 2817 chip size.

  • 2-terminal surface-mount resistor with large solder pads
  • SnPb tinned connections
  • Resistance range available 0.004Ω to 2Ω
  • Power rating 3W (at +130°C)
  • Constant current up to 27A (0.004Ω)
  • 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 additional TCR information)
  • Applicable temperature range -55°C to +170°C
  • Tolerance options available ±0.5% and ±1%, (depending on the resistance values required)
  • 2817 chip size
  • ESCC 4001/027 qualified

Typical applications for the SMT-PW series include:

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

The below table gives an overview of the specifications for Isabellenhütte SMT-PW series:

Isabellenhütte SMT-PW Specifications

* Please contact us or see ordering information tab

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 27A (0.004Ω)
  • Excellent long-term stability
  • Applicable temperature range -55°C to +170°C
  • High pulse power rating
Maximum Power Rating 3W (at + 135°C)
Maximum Resistance
Minimum Resistance 0.004Ω
Package/Size 2817
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 SMT 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 SMT-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 SMT-PW resistor series:

SMT-PW Part Number Example

The following table highlights the standard resistance values and the ESCC component numbers for the SMT-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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Available Options

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