Vishay Intertechnology, Inc. (NYSE: VSH) has recently introduced a new line of 200V to 600V FRED Pt® ultra-fast recovery rectifiers, designed for high-performance applications in both automotive and industrial sectors. These devices are available in the eSMP series, which uses the SlimDPAK (TO-252AE) package. The rectifiers come in both automotive and commercial versions, ensuring versatility across different industries.
Compared to traditional DPAK (TO-252AA) packages, these rectifiers are significantly thinner, offering improved thermal performance, higher power density, and greater efficiency. This makes them ideal for use in compact and high-demand environments such as automotive electronics, communication systems, and LED lighting.
The latest release is just 1.3mm in height, with a forward current rating of up to 10A for the 200V version and 15A for the 600V variant. Despite its slim design, the footprint remains the same as the DPAK package, but it is 43% thinner. This reduction in thickness allows for lighter and more compact final products, while also increasing the heat dissipation area by 14%, leading to lower thermal resistance. Additionally, the 15A rectifier can replace the larger D2PAK (TO-263AB) package, offering better space efficiency.
Built on FRED Pt technology, these rectifiers deliver an ultra-fast recovery time of 14ns and minimal reverse recovery charge, ensuring soft recovery across a wide temperature range from -55°C to +175°C. At 4A, the forward voltage drop is only 0.71V, which helps reduce power loss and enhance system efficiency.
These rectifiers are AEC-Q101 certified, meeting automotive-grade standards, and are suitable for applications such as engine control units (ECUs), anti-lock braking systems (ABS), HID lighting, and DC/DC converters in LED systems. The commercial and industrial versions are also well-suited for use in communication power supplies.
In terms of reliability, the new rectifiers have a moisture sensitivity level of Class 1 under J-STD-020, and they can withstand peak lead-free (LF) temperatures of up to 260°C. They are RoHS compliant and free from halogens, making them compatible with automated manufacturing processes like surface mount technology (SMT), automated optical inspection (AOI), and other advanced production techniques used in automotive systems.
Samples of the new ultra-fast recovery rectifiers are now available, with volume production expected to begin in September 2017. For major orders, the lead time is approximately eight to ten weeks. This product launch highlights Vishay’s ongoing commitment to innovation and delivering high-quality components that meet the evolving needs of modern electronics.
Industrial PCs are built to withstand the harsh conditions often found in industrial settings. They are typically housed in rugged enclosures made of metal or durable plastic, which protect the internal components from dust, moisture, extreme temperatures, and vibrations.
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