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    Bourns Unveils Metal Powder Core High Current Low DCR Shielded Power Inductor

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    Bourns Unveils Metal Powder Core High Current Low DCR Shielded Power Inductor

    Influence of Tantalum Capacitor Pellets Size on Stability During Oxide Film Formation

    Modelithics Release Discrete Components Optimization Article for RF/Microwave Designers

    Samsung Extends Capacitance of MLCC 0805 X7T 250V to 100nF

    Samtec Releases 800-Position High-Performance Array Connectors  

    DigiKey Announces Back to School Giveaway to Empower Tomorrow’s Innovators

    Ripple Steering in Coupled Inductors: SEPIC Case

    TDK Releases Low Loss Thin-Film Inductors for AI Data Centers

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    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

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CDE introduces DC Link Capacitor Modules for Large Inverter Systems

14.11.2018
Reading Time: 1 min read
A A

Source: CDE news

Cornell Dubilier has announced a new series of DC link polypropylene film capacitor modules aimed at high-power inverters. The MDL series offers capacitance values ranging from 600 µF to 4,200 µF, with applied voltages of 900 Vdc to 1,300 Vdc.

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Designed as an alternative to banks of cylindrical bus-mounted capacitors, these modules have higher energy density and simplify bus connections by reducing the number of terminations. By using a single DC Link capacitor in a compact rectangular package, smaller inverter topologies are possible. The use of one capacitor versus several parallel-banked capacitors typically results in enhanced system reliability with lower assembly costs. The MDL series also features long life, meeting a 5,000 hour life test at rated voltage, with a core temperature of 85°C. This translates to a life of 200,000 hours when operated at a 60 °C ambient at full rated voltage and ripple current.

The MDL series is based on CDE’s well proven DC Link film technology utilizing low-loss, high-grade polypropylene dielectric. Featuring current ratings up to 400 Arms these modules are well suited for high-power inverters used in commercial and utility-scale wind, solar and fuel cell systems. Other applications include UPS, switching power supplies and large motor drives.

The series consists of 12 values in 4 case sizes, is RoHS compliant, and meets IEC 61071 and UL94V-0. Each unit passes through CDE’s industry-leading 100% burn-in testing.

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