16A SCR switching thyristor for Electric Vehicle onboard charging

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By Nick Flaherty

The S8016xA Series SCR Switching Thyristors offer AC handling capability and surge robustness that allows Level 1 charging up to 16ARMS at 120V and Level 2 charging up to 16ARMS at 240V at 100°C and up to 25ARMS at 80°C. The S8016xA Series is the first line of SCR switching thyristors capable of handling such high current levels in TO-220R and TO-263 packages that are also AEC-Q101-qualified and capable of supporting the Production Part Approval Process (PPAP).

Typical applications for S8016xA Series SCR Switching Thyristors are input rectification of AC line inputs for electric vehicle on-board and off-board chargers.

“The compact TO-220R and TO-263 packages in which S8016xA Series SCR Switching Thyristors are provided helps circuit designers minimize the size of their charging circuitry,” said Koichiro Yoshimoto, business development manager for the Littelfuse product line. “As AEC-Q101 qualified devices that are capable of supporting PPAP, they’re ideal for use in EVOBC applications.”

With a maximum repetitive off-stage voltage (VDRM) of 800V, the thyristors can handle inputs from AC mains of up to 250VRMS. An RMS on-state current (IT(RMS)) up to 25A makes them suitable for use with Level 1 and Level 2 AC charging applications. With a high peak non-repetitive blocking voltage (VDSM) of 1300V and a non-repetitive peak surge current (IPP) of 2400A, they can survive a 6kV surge when used with a proper automotive-qualified metal oxide varistor (MOV) for AC mains overvoltage protection. The AEC-Q101 qualification and PPAP (production part approval process) support is suitable for protecting a Level 1 AC onboard charger.

The S8016xA Series is available in either TO-220R packages in quantities of 500, with 50 per tube or in TO 263 (D2-Pak) packaging in quantities of 500 in an embossed carrier reel pack.


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