Innovations Embedded Silicon Carbide Schottky Barrier Diodes Selection Guide ROHM MarketingUSA Presented by ROHM Semiconductor Silicon Carbide Schottky Barrier Diodes from ROHM Semiconductor Choosing Silicon Carbide Instead of Silicon Schottky barrier diodes (SBDs) have the advantage of low forward losses and negligible switching losses compared to other diode technologies. But the narrow bandgap of silicon (Si) SBDs limits their use to a maximum voltage of around 200 V. Si diodes that operate above 200 V have higher VF and trr. Silicon carbide (SiC) is a compound semiconductor with superior power characteristics to silicon, including a bandgap approximately three times greater, a dielectric breakdown field 10 times higher, and a thermal coefficient three times larger. These characteristics make it ideal for power electronics applications. Today, the need for higher efficiency in end products is more critical than ever. Although silicon power products continue to see incremental improvements, devices based on compound semiconductor materials deliver significantly better performance — and in some cases not even possible with their silicon counterparts. This is certainly true for the most basic components in power electronics: diodes and transistors. Silicon carbide Schottky barrier diodes have been available for more than a decade but have not been commercially viable until recently. Volume production is now leading to SiC’s acceptance in more and more applications. Legend Si Schottky Barrier Diode Si Super Fast Diode Si Ultra Fast Diode Si Fast Recovery (Epitaxial) Diode Si Standard Recovery Diode Silicon Carbide Schottky Barrier Diode 1.888.775.ROHM www.rohm.com/us CNA110004_sg Silicon Carbide Schottky Barrier Diodes from ROHM Semiconductor 600V Diodes n SCS106AGC, SCS108AGC, SCS110AGC, SCS112AGC, and SCS120AGC The SCS1xxAGC series of 600 V silicon carbide Schottky barrier diodes offers industry-leading low forward voltage and fast recovery time. They maintain low forward voltage (VF) over a wide operating temperature range which results in lower power dissipation under actual operating conditions. Low VF minimizes switching loss and enables high switching frequency, resulting in smaller passives and smaller end-product form factors. Applications < Power Factor Correction / SMPS Solar Inverters < Motor Drives < Important Features / Advantages < < Extremely low switching loss Excellent thermal conductivity and high operating temperature eliminates or greatly reduces heat sink requirements < Reduced EMI emission DESIGN NOTE SiC Performance Improvement over Si FRD With an SiC Schottky barrier diode (SBD), switching losses are reduced by 2/3 compared to a silicon fast recovery diode (FRD). (The Si FRD is used for comparison since it has a comparable voltage rating to the SiC SBD.) Part No. Continuous forward Reverse voltage (V) current (A) SCS106AGC SCS108AGC SCS110AGC SCS112AGC SCS120AGC 1.888.775.ROHM Forward voltage (V) VRM (typ) VRM (max) Reverse current (µA) IR (typ) IR (max) Total Total power Capacitive Switching capacitance (pF) dissipation (W) charge (nC) time (ns) C V = 1V/V = 600V PD QC tC Thermal resistance (°C/W) Package VRM IF Tj = 25°C/150°C 600 6 1.5/1.6 1.7 1.2/6 120 48 12 18 260/28 2.6 TO220AC 2L 600 8 1.5/1.6 1.7 1.6/8 160 52 15 15 345/38 2.4 TO220AC 2L 600 10 1.5/1.6 1.7 2.0/10 200 57 16 15 430/47 2.2 TO220AC 2L 600 12 1.5/1.6 1.7 2.4/12 240 80 22 16 516/56 1.6 TO220AC 2L 600 20 1.5/1.6 1.7 4.0/20 400 97 35 19 860/93 1.3 TO220AC 2L Tj = 25°C/150°C R www.rohm.com/us R Rth(j-c) CNA110004_sg ROHM Semiconductor USA, LLC 6815 Flanders Drive, Suite 150 San Diego, CA 92121 www.rohm.com/us | 1.888.775.ROHM NOTE: For the most current product information, contact a ROHM sales representative in your area. ROHM assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representations that the circuits are free from patent infringement. Specifications subject to change without notice for the purpose of improvement. The products listed in this catalog are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. © 2011 ROHM Semiconductor USA, LLC. Although every effort has been made to ensure accuracy, ROHM accepts no responsibility for errors or omissions. Specifications and product availability may be revised without notice. No part of this document represents an offer or contract. Industry part numbers, where specified, are given as an approximate comparative guide to circuit function only. Consult ROHM prior to use of components in safety, health or life-critical systems. All trademarks acknowledged. CNA110004_sg