Power

Nexperia expands high-performance silicon carbide diodes

8th November 2021
James Anstee

Nexperia has announced its entry into the high-power silicon carbide diodes market with the introduction of 650V, 10A SiC (silicon carbide) Schottky diodes. This is a strategic move for Nexperia, already a trusted supplier of efficient power GaN (gallium nitride) field-effect transistors, to expand its high-voltage wide bandgap semiconductor device offering.

Nexperia’s first SiC Schottky diode is an industrial-grade device with 650V repetitive peak reverse voltage (VRRM) and 10A continuous forward current, designed to combine ultra-high performance and high efficiency with low energy loss in power conversion applications. Providing the added benefit of a high-voltage compliant real 2-pin (R2P) package with higher creepage distance, it is available in a choice of surface mount (DPAK R2P and D2PAK R2P) or through-hole (TO-220-2, TO-247-2) devices. Engineering samples are available on request with a full product release planned for the second quarter of 2022.

Nexperia plans to continuously increase its portfolio of SiC diodes, which will lead to a total of 72 products operating at voltage levels of 650V and 1,200V and with currents in the range of 6 to 20 amps.

In an increasingly energy-conscious world, there is a burgeoning demand for high power applications with superior efficiency and power density. In this regard, silicon is fast approaching its physical limits. According to Mark Roeloffzen, General Manager of the Bipolar Discretes Group at Nexperia: “Wide bandgap semiconductors like gallium nitride and silicon carbide are now well placed to meet the stringent needs of high-volume applications, bringing the promise of higher efficiency, greater power density, lower system cost and reduced operating costs for original equipment manufacturers. Nexperia’s diverse portfolio of SiC diodes will bring greater choice and availability to this market.”

Nexperia’s SiC Schottky diodes initially target industrial and consumer applications including:

  • Switch Mode Power Supply (SMPS)
  • AC-DC and DC-DC converters
  • Battery charging infrastructure
  • Uninterruptible Power Supply (UPS)
  • Photovoltaic inverters

Nexperia also plans to release automotive-grade devices for use in vehicle electrification applications such as:

  • On-board Chargers (OBC)
  • Inverters
  • High-voltage DC-DC converter

The PSC1065H (-J/-K/-L) is the first in a portfolio of SiC Schottky diodes that Nexperia is developing to address the automotive and industrial markets. More information on the new PSC1065x, including product specs and datasheet is available at www.nexperia.com/sic_diodes

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