## UT6402L-AE3-R: Electronic Component Overview The **UT6402L-AE3-R** is a specific Power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) manufactured by **UTC (Unisonic Technologies)**. It is primarily used for power management and switching applications due to its efficiency and compact size. --- ### 1. Key Technical Specifications The following table summarizes the primary electrical characteristics of the UT6402L-AE3-R: | Parameter | Specification | Description | |:---|:---|:---| | **Channel Type** | P-Channel | Operates by applying a negative gate voltage | | **Drain-Source Voltage ($V_{DSS}$)** | -30V | Maximum voltage the device can handle across D-S | | **Continuous Drain Current ($I_D$)** | -3.7A | Maximum continuous current (at 25°C) | | **RDS(ON) (Max)** | 65 mΩ | Resistance when fully turned on (at $V_{GS}$ = -10V) | | **Gate-Source Voltage ($V_{GS}$)** | ±20V | Voltage range to control the gate | | **Package Type** | SOT-23 | Small Outline Transistor (Surface Mount) | --- ### 2. Pin Configuration The device is housed in an **SOT-23** package, which is a standard 3-pin surface-mount footprint. 1. **Gate (G):** Controls the switching state of the MOSFET. 2. **Source (S):** Connected to the positive supply in typical P-channel configurations. 3. **Drain (D):** Connected to the load. --- ### 3. Key Features & Benefits * **Low On-Resistance:** The 65 mΩ $R_{DS(ON)}$ minimizes power dissipation and heat generation during operation. * **Fast Switching:** Optimized for high-speed switching circuits. * **Logic-Level Drive:** Can be triggered by low-voltage control signals, making it compatible with many microcontrollers. * **Halogen-Free:** The "R" suffix usually denotes compliance with environmental standards (RoHS/Halogen-Free). --- ### 4. Typical Applications This MOSFET is commonly found in battery-powered or portable electronics: * **Load Switching:** Turning peripheral devices on/off to save power. * **Battery Protection:** Circuits preventing over-discharge or reverse polarity. * **DC-DC Converters:** Small power supply modules. * **LED Drivers:** Controlling power to LED arrays. --- ### 5. Part Number Breakdown * **UT:** UTC (Unisonic Technologies) Manufacturer Code. * **6402:** Model Number / Series. * **L:** Lead-free plating (typically). * **AE3:** Package code for SOT-23. * **R:** Tape and Reel packaging.