Nisshinbo Micro Devices Inc. IC SUPERVISOR 1 CHANNEL SOT23-5 R3111N101B-TR-FE

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The R3111N101B-TR-FE is an electronic component, specifically a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). It is designed for use in power management and switching applications. The "TR" in the part number indicates that it is packaged in a TO-220 package, which is commonly used for high-power dissipation. The "-FE" suffix suggests that this device is a logic-level MOSFET, meaning it can be fully turned on or off using a low voltage gate signal.