SiC Schottky Barrier Diodes

SiC Schottky barrier diodes (SBDs) feature high reverse voltage ratings. In addition to SBDs with short reverse recovery time (trr), Toshiba provides 650-V SBDs with a junction barrier Schottky (JBS) structure that provide low leakage current (Ir) and high surge current capability required for switched-mode power supplies. These devices help improve the efficiency of switched-mode power supplies.

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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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3rd generation SiC Schottky barrier diode (SBD)
It adopts the new schottky metal, and it is equipped with 3rd generation SiC SBD chip, which optimized junction barrier schottky (JBS) structure of 2nd generation. As a result, we have achieved industry-leading lowest forward voltage 1.2 V (Typ.), which is 17 % lower than that of the 2nd generation 1.45 V (Typ.). The 3rd generation products have improved the trade-offs between forward voltage and total capacitive charge, and the trade-offs between forward voltage and reverse current compared with the 2nd generation products. This reduces power dissipation and contributes to high efficiency of equipment.
3rd generation SiC Schottky barrier diode (SBD)
SiC SBD that achieves low switching losses
By using SiC, a device with high withstand voltage and low switching loss (low reverse recovery charge) has been realized.
Diodes / SiC Schottky Barrier Diodes
Contributes to high efficiency and low loss of high output power supply
Significantly reduced recovery loss compared to FRD: fast recovery diodes
Diodes / SiC Schottky Barrier Diodes
Improved JBS structure to reduce the leakage current and increase the surge current capability
The improved JBS structure has been applied to improve the leakage current of the SBD and the surge current capacity.
Diodes / SiC Schottky Barrier Diodes
SiC devices suitable for power supply circuits
SiC Schottky barrier diodes (SBDs) have achieved high breakdown voltages for SBDs, which are difficult to achieve with Si materials, and significantly reduced reverse-recovery times (charges) that could not be achieved with p-n junction diodes, such as Si-FRD(Fast Recovery Diode).
Diodes / SiC Schottky Barrier Diodes
High withstand voltage (reverse voltage) characteristics of SiC SBDs
A device with a high breakdown voltage has been realized with dielectric breakdown field strength nearly 10 times higher than that of Si.
Diodes / SiC Schottky Barrier Diodes

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