The **2N7002G-AE2-R** is a popular N-Channel enhancement mode Field Effect Transistor (MOSFET). It is widely used in low-power switching applications and signal level shifting due to its high input impedance and fast switching speeds. --- ### 1. General Specifications Below are the primary technical parameters for the 2N7002G-AE2-R: | Parameter | Specification | | :--- | :--- | | **Transistor Polarity** | N-Channel | | **Drain-Source Voltage ($V_{DSS}$)** | 60V | | **Continuous Drain Current ($I_D$)** | ~300mA | | **Gate-Source Threshold Voltage ($V_{GS(th)}$)** | 1.0V to 2.5V | | **On-Resistance ($R_{DS(on)}$)** | ~1.1Ω to 5Ω (depending on $V_{GS}$) | | **Package Type** | SOT-23 (Small Outline Transistor) | | **Power Dissipation ($P_D$)** | 350mW | --- ### 2. Key Features * **High Input Impedance:** Allows the device to be driven directly by CMOS or TTL logic levels with minimal current draw. * **Fast Switching:** Excellent for high-speed pulse circuits. * **ESD Protection:** The "G" suffix often denotes specific lead-free/halogen-free requirements or internal protection diodes depending on the manufacturer (UTC - Unisonic Technologies in this specific part number string). * **Small Footprint:** The SOT-23 package is ideal for high-density Surface Mount Technology (SMT) designs. --- ### 3. Pin Configuration (SOT-23) The device typically follows the standard SOT-23 pinout: 1. **Gate (G):** Controls the flow of current between Drain and Source. 2. **Source (S):** Connected to the ground or the lower potential side. 3. **Drain (D):** Connected to the load. --- ### 4. Common Applications * **Logic Level Shifting:** Converting signals between 3.3V and 5V circuits. * **Small Signal Switching:** Controlling small relays, LEDs, or DC motors. * **Power Management:** Used in battery-operated systems for load switching. * **High-Speed Line Drivers:** Minimizing signal distortion in communication lines. --- ### 5. Part Number Breakdown (UTC Standard) | Segment | Meaning | | :--- | :--- | | **2N7002** | Base part number (Standard N-Channel MOSFET) | | **G** | Halogen Free / Lead Free | | **AE2** | Package Code for SOT-23 | | **R** | Tape and Reel packaging |