Vishay Intertechnology Expands Gen 7 Platform with Advanced Hyperfast Rectifiers

Vishay Intertechnology

MALVERN, PAVishay Intertechnology, Inc. (NYSE: VSH) has announced the expansion of its Gen 7 platform, introducing four new 1200 V FRED Pt® Hyperfast rectifiers in the eSMP® series SMF (DO-219AB) package. These advanced rectifiers are specifically designed for industrial and automotive applications, offering a superior balance between reverse recovery charge and forward voltage drop.

The newly released rectifiers include the VS-E7FX0112-M3, VS-E7FX0212-M3, along with their Automotive Grade counterparts, the VS-E7FX0112HM3 and VS-E7FX0212HM3. Notably, these devices feature the industry’s lowest junction capacitance and recovery time, enhancing efficiency by minimizing switching losses. They boast fast recovery times as low as 45 nanoseconds and a typical reverse recovery charge of 105 nC, complemented by a forward voltage drop as low as 1.45 V.

Housed in a compact package measuring 4.2 mm by 1.4 mm with a low profile of 1.08 mm, these rectifiers can handle non-repetitive peak surge currents up to 21 A. The devices are optimized for use as clamp, snubber, and freewheeling diodes in various applications, including flyback auxiliary power supplies and high-frequency rectifiers for bootstrap driver functionality. They are also suitable for desaturation protection in the latest fast-switching IGBTs and high-voltage Si / SiC MOSFETs.

Typical applications for these rectifiers extend across industrial drives, tools, on-board chargers, and motors for electric vehicles, as well as energy generation and storage systems. They are also applicable in Ćuk converters and industrial LED SEPIC circuitry.

The rectifiers utilize a planar structure and platinum-doped lifetime control, ensuring robust performance and system reliability. Their design minimizes switching losses through optimized stored charge and low recovery current. Additionally, these RoHS-compliant and halogen-free devices meet a Moisture Sensitivity Level of 1 and can operate at high temperatures up to +175 °C.

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