KYOTO, JAPAN and SANTA CLARA, CA--(Marketwired - October 13, 2016) - ROHM has recently announced the availability of 3^rd generation SiC Schottky Barrier Diodes (SBDs) optimized for power supply PFC circuits in servers and high performance PCs.

The SCS3 series adopts a new structure that improves upon the industry-low VF characteristics of ROHM's 2^nd Generation SiC SBDs (1.35V @ 25C) while providing increased surge resistance. This contributes to greater application efficiency, enabling support for power supply PFC circuits in servers, high-performance PCs, and the like.

In recent years, power components that provide higher efficiencies are being required in order to improve power conversion efficiency and energy savings in the power electronics market, which includes industrial power supplies, solar power systems, electric vehicles, and home appliances. Compared to conventional silicon products, SiC devices feature superior material characteristics, making them the preferred choice in power applications. In particular, in equipment such as servers where maximum power supply efficiency is demanded, the high-speed recovery characteristics of SiC SBDs have proven effective in increasing device efficiency when used in PFC circuits. Surge current resistance is also an important consideration in high power applications.

ROHM's 1^st and 2^nd generation SiC SBDs continue to be well-received and regarded in the industry, but to expand applicability a new device structure was adopted that allowed ROHM to improve the industry-leading Vf characteristics of its 1^st and 2^nd generation products while also significantly increase surge resistance.

Availability: Now

Pricing: Starting from $2.28 / unit (100 pcs)

Key Features

1. High surge current resistance
ROHM's new 3^rd generation SiC SBDs adopt a JBS (Junction Barrier Schottky) structure that provides higher surge current resistance with excellent leakage characteristics.

2. Industry's lowest forward voltage (V_F=1.35V@25°C, 1.44V@150°C)
Optimized processes and device structure have made it possible to improve upon the industry's lowest VF characteristics of ROHM's 2^nd generation SiC SBDs, reducing conduction loss for greater efficiency and performance.

3. Low current leakage
Generally, as forward voltage is reduced reverse current leakage increases. However, ROHM's new JBS structure minimizes leakage current along with forward voltage characteristics, resulting in 20x less leakage compared to 2^nd Generation SiC SBDs at the same rated voltage (650V、Tj=150℃).

Lineup
ROHM's 3^rd Generation SiC SBDs are currently available in the TO-220ACP package. A surface mount type (TO-263AB) is scheduled for future release based on market demands.

Applications
Power supply PFC circuits for PCs, servers, AC, and more.

About ROHM Semiconductor
ROHM Semiconductor is an industry leader in system LSI, discrete components and module products, utilizing the latest in semiconductor technology. ROHM's proprietary production system, which includes some of the most advanced automation technology, is a major factor in keeping it at the forefront of the electronic component manufacturing industry. In addition to its development of electronic components, ROHM has also developed its own production system so that it can focus on specific aspects of customized product development. ROHM employs highly skilled engineers with expertise in all aspects of design, development and production. This allows ROHM the flexibility to take on a wide range of applications and projects and the capability to serve valuable clients in the automotive, telecommunication and computer sectors, as well as consumer OEMs.

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