ST Microelectronics has launched a new high-voltage Schottky diode designed to enhance the performance and reliability of critical systems such as telecom base stations and industrial welding equipment. This latest offering, the STPS60SM200C, is specifically tailored for high-current AC/DC power supplies that deliver 30–50V DC output. With a maximum reverse voltage rating of 200V, it is well-suited for even the most demanding environments, ensuring robust operation under extreme conditions.
The STPS60SM200C features a unique 3-pin package that integrates two interconnect diodes, making it an efficient alternative to traditional ultra-fast diodes that often suffer from higher on-state losses. While ultra-fast diodes are still used in around 30% of base station designs, this new Schottky diode offers improved efficiency and performance, providing manufacturers with a compelling upgrade option. It is expected to see widespread adoption across high-end platforms currently relying on conventional Schottky solutions.
Built using ST’s advanced manufacturing technology, the STPS60SM200C delivers exceptional electrostatic discharge (ESD) protection—exceeding 2kV—which surpasses industry standards. It has been tested according to IEC 61000-4-2, ensuring superior resilience against transient voltage spikes and other electrical threats. This enhanced protection significantly reduces the risk of system downtime and lowers maintenance costs, which is especially crucial for remote base station installations where service disruptions can be costly and time-consuming.
Key specifications of the STPS60SM200C include:
- Repeated Reverse Peak Voltage (VRRM): 200V
- Average Forward Current (IF(AV)): 2 x 30A
- Maximum Working Junction Temperature (Tj(max)): 175°C
- Typical Forward Voltage (VF): 640mV
The device is available in the standard TO-247 package and is now in production, making it readily accessible for engineers and designers looking to optimize their power systems. Whether for telecom infrastructure or industrial applications, the STPS60SM200C represents a significant step forward in high-voltage rectification technology.
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