The Q101-qualified IRF2804S-7P is a 40 V, 1.6 mohm HEXFET power MOSFET rated at 160 A in a D2Pak outline. The specification makes the device suitable for heavy-duty, high-current automotive applications such as electronic power steering (EPS), 14 V integrated starter alternator systems and alternator active rectification.
Packaging is the limiting factor in the current-carrying capability of discrete plastic packages. The company's device has seven leads because a standard three-lead D2Pak is limited to 75 to 100 A, depending on lead cross-section and manufacturer's specification method.
IR's seven-leads carry current on five leads in parallel rather than one, reducing lead temperature at the board level. This increases solder joint reliability and doubles the current handling capability compared with a standard three-lead package.
The additional leads allow a larger wire-bond area, reducing die-free package resistance and enabling a device on-resistance specification of 1.6 mohm max at 25°C.
Phone: 03 9808 2094
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