First Schottky diode for high-voltage DC links

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type-'> <div class="wp-block-image"><figure class="aligncenter size-large is-resized"><img loading="lazy" src="https://www.emobility-engineering.com/content/uploads/2024/11/Infineon-schottky-diode-787x1024.jpg" alt="" class="wp-image-14739" width="590" height="768" srcset="https://www.emobility-engineering.com/content/uploads/2024/11/Infineon-schottky-diode-787x1024.jpg 787w, https://www.emobility-engineering.com/content/uploads/2024/11/Infineon-schottky-diode-231x300.jpg 231w, https://www.emobility-engineering.com/content/uploads/2024/11/Infineon-schottky-diode-768x999.jpg 768w, https://www.emobility-engineering.com/content/uploads/2024/11/Infineon-schottky-diode-1181x1536.jpg 1181w, https://www.emobility-engineering.com/content/uploads/2024/11/Infineon-schottky-diode-1574x2048.jpg 1574w, https://www.emobility-engineering.com/content/uploads/2024/11/Infineon-schottky-diode-scaled.jpg 1968w" sizes="(max-width: 590px) 100vw, 590px" /><figcaption><strong><em>A 2000 V Schottky diode for DC link designs</em></strong><br>(Image courtesy of Infineon)</figcaption></figure></div> <p>Infineon has created the first 2000 V Schottky diode for high-voltage (HV) DC link designs, writes Nick Flaherty.</p> <p>The CoolSiC 2000 V G5 is the first discrete silicon-carbide diode with this breakdown voltage, making it suitable for DC links up to 1500 V with current ratings from 10-80 A. This makes it ideal for higher DC-link voltage applications.</p> <p>The diode comes in a TO-247PLUS-4-HCC package, with 14 mm creepage and 5.4 mm clearance. This, together with a current rating up to 80 A, enables a higher power density, enabling developers to achieve higher levels with only half the component count of 1200 V solutions. This enables a smooth transition between multi-level and two-level topologies.</p> <p>Infineon plans to use the TO-247-2 package for smaller designs. The CoolSiC Schottky diode 2000 V G5 uses Infineon’s .XT interconnection technology that leads to significantly lower thermal resistance and impedance, enabling better heat management. </p> <p>The .XT interconnect uses a diffusion soldering process developed by Infineon that minimises connection voids and reduces the thickness of the die attach layer. The technology includes copper-wire bonding, silver sintering and soldering with strengthened tin alloys.</p> <p>The diode was robust against humidity in HV-H3TRB reliability tests. 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First Schottky diode for high-voltage DC links - E-Mobility Engineering