The **UTC4424L-S16-R** is a high-performance Dual N-Channel and P-Channel enhancement mode Power MOSFET produced by Unisonic Technologies Co. (UTC). This component is designed for applications requiring efficient power switching and motor control. --- ### 1. Key Technical Specifications The device combines one N-Channel MOSFET and one P-Channel MOSFET in a single package, facilitating space-saving designs. | Parameter | N-Channel (Typical) | P-Channel (Typical) | |:---|:---|:---| | **Drain-Source Voltage ($V_{DSS}$)** | 30V | -30V | | **Continuous Drain Current ($I_D$)** | ~7.0A | ~-7.0A | | **Gate-Source Voltage ($V_{GS}$)** | ±20V | ±20V | | **Package Type** | SOP-8 / S-16 | SOP-8 / S-16 | | **Static Drain-Source On-Resistance ($R_{DS(ON)}$)** | Low | Low | --- ### 2. Part Number Breakdown Understanding the suffix and prefix nomenclature helps in identifying specific characteristics: * **UTC**: Manufacturer (Unisonic Technologies). * **4424**: Model number (Dual MOSFET series). * **L**: Lead-free / Halogen-free plating. * **S16**: Refers to the SOP-8 package (often labeled S08 or S16 depending on internal UTC coding standards). * **R**: Tape and Reel packaging (standard for automated SMT assembly). --- ### 3. Features & Applications #### Features * **High Density Cell Design:** Provides extremely low $R_{DS(ON)}$, reducing heat dissipation. * **Reliable and Rugged:** High resistance to voltage spikes and current surges. * **Dual Configuration:** Reduces component count on PCB by integrating two MOSFETs. #### Common Applications * **Power Management:** DC-DC converters and load switches. * **Motor Control:** H-bridge circuits for small DC motors. * **Backlight Inverters:** Driving CCFL or LED backlighting in displays. --- ### 4. Typical Pin Configuration (SOP-8) | Pin Number | Symbol | Description | |:---:|:---:|:---| | 1 | S1 | Source (N-Channel) | | 2 | G1 | Gate (N-Channel) | | 3 | S2 | Source (P-Channel) | | 4 | G2 | Gate (P-Channel) | | 5, 6 | D2 | Drain (P-Channel) | | 7, 8 | D1 | Drain (N-Channel) | --- ### 5. Selection Considerations When designing with the UTC4424L, ensure that the **Gate-Source Threshold Voltage ($V_{GS(th)}$)** aligns with your microcontroller's logic levels (usually 1.0V to 3.0V). Proper heat sinking via the PCB copper traces is recommended since the SOP-8 package relies on the Drain pins for thermal dissipation.