MALVERN, PA — Vishay Intertechnology Inc. (NYSE: VSH) recently introduced four 40-volt power MOSFETs on July 7 designed to prevent false triggering and reduce electrical noise in motor-control systems used in power tools, drones and industrial automation.
The SIR5402DP, SIR5404DP, SIR5406DP and SIR5408DP devices use Vishay’s TrenchFET Gen IV technology and are housed in a 6.15-millimeter-by-5.15-millimeter PowerPAK SO-8 single package.
Vishay said the MOSFETs combine a minimum gate-source threshold voltage of 2.5 volts with gate-drain-to-gate-source charge ratios below 1. Those specifications are intended to limit unwanted switching and voltage fluctuations caused by gate noise in motor-control circuits.
The devices are designed for synchronous rectification and DC-to-DC conversion in brushless direct-current motors, power tools, drones and automation equipment.
Typical on-resistance ranges from 0.9 milliohms for the SIR5402DP to 2.5 milliohms for the SIR5408DP at 10 volts. Maximum on-resistance ranges from 1.2 milliohms to 3.2 milliohms.
Gate-charge values range from 32.6 nanocoulombs to 82 nanocoulombs, allowing equipment designers to select among different conduction-loss and switching-performance profiles.
All four devices are rated for a drain-source voltage of 40 volts and a gate-source voltage of plus or minus 20 volts. Vishay said the MOSFETs are resistor-gate and unclamped-inductive-switching tested, RoHS compliant and halogen free.
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