CPT50235A

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The CPT50235A is a high-efficiency, high-performance silicon carbide (SiC) Schottky rectifier array from CREE, Inc. It provides excellent fast electrical switching performance and an impressive edge for designers looking for improved performance for their circuits.

SiC Schottky rectifier arrays are becoming increasingly popular in a variety of applications, such as power electronics, automotive, avionics, and other high-reliability industries. Their ability to provide efficient electrical switching operation, improved reliability and enhanced design margin make them a prime choice for designers seeking an upgrade from existing rectifier arrays.

The CPT50235A rectifier array offers up to 3.2 A current capability, plus up to 650 V breakdown and 200 × 10-5 A leakage at 25 °C. The device features a non-diode bridge configuration with a fast diode in parallel to ensure switching is rapid and reliable, plus a low di/dt temperature coefficient for improved temperature stability. The device also features a dynamic temperature coefficient of 0.2 %/°C for improved thermal performance when installed in higher temperature applications. The dynamic temperature readings correspond to the operating temperature range from -55 °C to +225 °C.

The CPT50235A rectifier array is typically used to build stable and robust power supplies, where the load needs to remain constant regardless of changes in temperature, ambient voltage and line impedance. It is also used to improve the performance and reliability of high-frequency/ high-speed switching applications such as motor control, coupled with low-inductance current dividers, soft starters, and high-speed state machines like H-bridges. The device is also suitable for high voltage isolation circuits, where a flyback transformer may be used, and UHV/UHW isolation devices where ultra-low capacitive coupling is needed. Another major application of the CPT50235A is in protection circuits, such as MOV based circuits, over-voltage protection, and surge protection systems.

In addition to its excellent electrical performance, the CPT50235A rectifier array also features a wide range of environmental performance and guarantees that allow it to meet a variety of stringent requirements. It measures 13mm in length and 18.5mm in width and features a high temperature operating range of up to 250°C. The device has been proven to withstand electrostatic discharges up to 10kV, making it an ideal choice for systems where an ESD event is a major risk. The CPT50235A also features an SMA-type heat sink interface, allowing it to be safely mounted while maintaining its performance integrity. Finally, the device is RoHS compliant, making it an attractive choice for designers seeking an environmentally friendly solution.

When used correctly, the CPT50235A rectifier array can offer a wide range of benefits, including improved system reliability, improved efficiency, enhanced design margins, improved temperature stability, and improved system safety. With a wide range of applications, enhanced features, and improved reliability and performance, the CPT50235A is clearly an attractive choice for any system looking for an upgrade from existing rectifier arrays.

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