Sunday, December 4, 2022

Surface-Mount Schottky Diodes That Boost Power Density and Efficiency

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  • Newly launched Schottky diodes from STMicroelectronics are capable of covering a wide range of voltages and suitable for industrial and consumer applications
  • Enables electronics designers to increase power density and save space

STMicroelectronics has launched 26 new Schottky diodes in low-profile SMA and SMB Flat packages, covering voltage ratings from 25 to 200V and current ratings from 1 to 5A.

With an inherently low forward voltage, these state-of-the-art devices deliver superior energy efficiency for industrial and consumer applications such as power supplies and auxiliary supplies, chargers, digital signage, game consoles, set-top boxes, e-bikes, computer peripherals, servers, telecom cards and 5G repeaters.

The 1.0mm-high devices have a 50 per cent lower profile than diodes in standard SMA and SMB packages, enabling designers to increase power density and save space. SMA and SMB footprint compatibility allows easy drop-in replacement. Also, the new Schottky diodes have higher current ratings that allow shifting of existing SMC diode circuits to the new, smaller SMB Flat devices, and similarly from SMB to SMA Flat.

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The new Schottky diodes offer designers choices from the 30V/1A STPS130AFN and STPS1L30AFN in SMA Flat to the 200V/4A STPS4S200UFN and 100V/5A STPS5H100UFN in SMB Flat. All devices have specified avalanche characteristics and feature a notched lead suitable for wave soldering and reflow.


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