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The EPC2040 is a gallium nitride field-effect transistor (GaNFET) manufactured by Efficient Power Conversion (EPC). It is an enhancement-mode, normally-off, N-channel device packaged as a bare die. The component features a drain-source voltage rating of 15 V and a continuous drain current of 3.4 A at 25°C ambient temperature. Key electrical characteristics include a maximum on-resistance of 30 milliohms at 1.5 A and 5 V gate drive, a threshold voltage of 2.5 V maximum at 1 mA, a gate charge of 0.93 nC maximum at 5 V, and an input capacitance of 105 pF maximum at 6 V. The device operates within a junction temperature range of -40°C to 150°C.
Verify the specific package variant and manufacturing lot date code upon receipt, as the component is supplied as a bare die requiring specialized handling. Confirm that the ordering suffix matches the required reel or cut tape configuration. Ensure that static-sensitive protocols are strictly followed during storage and assembly to prevent electrostatic discharge damage to the GaN structure.
Select this component when a low-voltage, high-current solution is required in a compact form factor. The 15 V rating suits low-voltage bus architectures. Evaluate thermal management strategies carefully, as the bare die package relies entirely on the PCB substrate for heat dissipation. Ensure the gate driver can support the fast switching speeds inherent to GaN technology to minimize transition losses.
The EPC2040 belongs to the EPC20 series of eGaN FETs from Efficient Power Conversion. This series focuses on leveraging gallium nitride material properties to achieve superior efficiency and power density. The device represents a shift towards monolithic integration of power switching elements directly onto system substrates.
No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires matching the pinout, voltage ratings, and thermal characteristics of the original design.