Power Electronics

IR sets 55 V high-current, Q101-qualified MOSFETs in D2Pak

International Rectifier has introduced two 55 V-rated, Q101-qualified automotive HEXFET power MOSFETs in the D2Pak outline. The IRF3805S-7P (160A continuous) and IRF1405ZS-7P (120A continuous) are designed for heavy-duty, high-current automotive applications such as electronic power steering (EPS), 14 V integrated starter alternator (ISA) systems and advanced alternator active rectification.

Technical marketing manager Anthony Murray notes that a standard three-lead D2Pak is limited to 75 A to 100 A, but IR’s new 55 V devices have seven leads, allowing for a larger wirebond area, reducing die-free package resistance, and enabling a device on-resistance specification of 2.6 mOhm max at 25º C for the 3805S.

“The new 55 V-rated Q101 HEXFET MOSFETs increase the selection of devices so that designers can choose the most suitable power switch for their high-current automotive application,” Murray says. The devices can serve as replacements for multiple D2Pak devices as well as larger through-hole package devices.

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