The **UJ0100G-AE2-R** is an N-Channel enhancement mode Field Effect Transistor (FET) produced by UTC (Unisonic Technologies). It is designed using high-density cell design to provide high power and current handling capabilities in a very compact package. --- ## 1. Key Specifications Below are the primary electrical characteristics of the UJ0100G-AE2-R: | Parameter | Specification | Unit | |:---|:---|:---| | **Drain-Source Voltage ($V_{DSS}$)** | 100 | V | | **Continuous Drain Current ($I_D$)** | 0.25 | A (250mA) | | **Pulsed Drain Current ($I_{DM}$)** | 1.0 | A | | **Static Drain-Source On-Resistance ($R_{DS(ON)}$)** | 5.0 (Typ) | $\Omega$ | | **Gate-Source Voltage ($V_{GS}$)** | $\pm$ 20 | V | | **Package Type** | SOT-23-3 | - | --- ## 2. Pin Configuration The device comes in a standard 3-pin SOT-23 surface-mount package. 1. **Gate (G):** Controls the flow of current between Drain and Source. 2. **Source (S):** The terminal through which current leaves the channel. 3. **Drain (D):** The terminal through which current enters the channel. --- ## 3. Features and Applications ### Features * **High-Density Cell Design:** Minimizes on-state resistance while maximizing current capability. * **Rugged and Reliable:** Capable of handling voltage spikes up to 100V. * **Surface Mount Compatibility:** Small footprint ideal for space-constrained PCB designs. * **Fast Switching:** Low gate charge allows for efficient high-speed switching. ### Typical Applications * **Signal Switching:** Low-power logic level switching. * **Relay Drivers:** Driving small mechanical or solid-state relays. * **Battery Management:** Used in portable electronic power management circuits. * **Display Drivers:** Small LED or LCD backlight control. --- ## 4. Marking and Ordering Information * **Marking:** The "G" in the part number usually indicates "Halogen Free." * **Packaging:** The suffix "-R" denotes Tape and Reel packaging for automated SMT assembly.