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    How to Manage Supercapacitors Leakage Current and Self Discharge 

    Qualification of Commercial Supercapacitors for Space Applications

    Experimental Evaluation of Wear Failures in SMD Inductors

    Resonant Capacitors in High-Power Resonant Circuits

    a Schematic diagram of the BNT-based components constructed based on the entropy-increase strategy. b Digital photograph, cross-sectional SEM image, and EDS mappings of the MLCCs. c Unipolar P-E loops of MLCCs as a function of applied E. d Wrec and η of the MLCCs as a function of applied E. The comparison of (e) Wrec and η, (f) η and UF of the MLCCs with those of other recently reported state-of-the-art MLCCs. source: Nature Communications

    Researchers Proposed Enhanced Energy Storage MLCC

    Littelfuse Releases First Reflow-Compatible Illuminated Tactile Switch

    Vishay Unveils 5W Power Metal Strip Resistor in Compact 1206 Case Size

    Improving SMPS Performance with Thermal Interface Material

    Polymer Tantalum Capacitors Beyond AEC-Q200 LEO Satellites

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    Percolation Phenomenon and Reliability of Molded Power Inductors in DC/DC converters

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    How to Calculate the Output Capacitor for a Switching Power Supply

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    How to Manage Supercapacitors Leakage Current and Self Discharge 

    Qualification of Commercial Supercapacitors for Space Applications

    Experimental Evaluation of Wear Failures in SMD Inductors

    Resonant Capacitors in High-Power Resonant Circuits

    a Schematic diagram of the BNT-based components constructed based on the entropy-increase strategy. b Digital photograph, cross-sectional SEM image, and EDS mappings of the MLCCs. c Unipolar P-E loops of MLCCs as a function of applied E. d Wrec and η of the MLCCs as a function of applied E. The comparison of (e) Wrec and η, (f) η and UF of the MLCCs with those of other recently reported state-of-the-art MLCCs. source: Nature Communications

    Researchers Proposed Enhanced Energy Storage MLCC

    Littelfuse Releases First Reflow-Compatible Illuminated Tactile Switch

    Vishay Unveils 5W Power Metal Strip Resistor in Compact 1206 Case Size

    Improving SMPS Performance with Thermal Interface Material

    Polymer Tantalum Capacitors Beyond AEC-Q200 LEO Satellites

    Trending Tags

    • Ripple Current
    • RF
    • Leakage Current
    • Tantalum vs Ceramic
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    Efficient Power Converters: Duty Cycle vs Conduction Losses

    Ripple Steering in Coupled Inductors: SEPIC Case

    SEPIC Converter with Coupled and Uncoupled Inductors

    Coupled Inductors in SEPIC versus Flyback Converters

    Non-Linear MLCC Class II Capacitor Measurements Challenges

    Percolation Phenomenon and Reliability of Molded Power Inductors in DC/DC converters

    Root Causes and Effects of DC Bias and AC in Ceramic Capacitors

    How to Calculate the Output Capacitor for a Switching Power Supply

    Switched Capacitor Converter Explained

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Vishay Unveils 5W Power Metal Strip Resistor in Compact 1206 Case Size

1.10.2025
Reading Time: 2 mins read
A A

Vishay Intertechnology, Inc. introduced a new surface-mount Power Metal Strip® current sense resistor that combines a high power rating up to 5 W, TCR down to ± 75 ppm/°C, and extremely low resistance values down to 0.3 mΩ in the compact 1206 case size.

With power ratings 20 times higher than standard resistors in the 1206 footprint, the Vishay Dale WSLF1206 provides a power density of > 650 W/in2, allowing designers to save board space in high power circuits by utilizing the smallest resistor possible without the need to parallel resistance elements.

RelatedPosts

How to Manage Supercapacitors Leakage Current and Self Discharge 

Tantalum Capacitor Technology Advantages for Harsh Environment

Vishay Announces UL Recognition of its NTC Thermistor

The device’s low TCR provides stable and accurate current measurement across a wide temperature range from -65 °C to +170 °C, while its low resistance values minimize power losses and improve end product efficiency.

The WSLF1206’s advanced construction incorporates a solid metal manganese-copper, nickel-chromium aluminum alloy resistive element with low TCR (< 20 ppm/°C). This results in a higher power resistor in a smaller size that maintains the superior electrical characteristics of the Power Metal Strip construction. A proprietary processing technique produces resistance values ranging from 0.3 mΩ to 3 mΩ, with tolerances of ± 1.0 % and ± 5.0 %. The device provides low thermal EMF (< 3 μV/°C) and very low inductance (< 5 nH) to minimize signal distortion.

The resistor is ideal for all types of current sensing and pulse applications, including switching and linear power supplies, power amplifiers, shunts, power inverters, and battery management. Typical applications will include industrial motor drives, robotics, power tools, HVAC systems, and UPS; graphics, data storage, and VRMs for supercomputers; and consumer appliances. The device is sulfur-resistant, RoHS-compliant, and halogen-free.

Samples and production quantities of the WSLF1206 are available now, with lead times of 8 to 10 weeks.

FEATURES

  • Ideal for all types of current sensing and pulse applications including switching and linear power supplies, instruments, power amplifiers, shunts, power inverters, and battery management
  • Proprietary processing technique produces low resistance values (0.3 mΩ to 3 mΩ)
  • Solid metal manganese-copper and nickel-chromium- aluminum alloy resistive element with low TCR (< 20 ppm/°C)

Related

Source: Vishay

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