The **7N60-R** is a high-voltage N-Channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) commonly used in power switching applications. The "7N60" nomenclature generally refers to its ratings: approximately **7 Amperes** and **600 Volts**. --- ### 1. Key Technical Specifications | Parameter | Symbol | Value | | :--- | :--- | :--- | | Drain-Source Voltage | $V_{DSS}$ | 600 V | | Continuous Drain Current | $I_D$ | 7.0 A | | Pulsed Drain Current | $I_{DM}$ | 28 A | | Gate-Source Voltage | $V_{GS}$ | ±30 V | | Static Drain-Source On-Resistance | $R_{DS(on)}$ | ~1.0 $\Omega$ to 1.2 $\Omega$ | | Power Dissipation | $P_D$ | 142 W (varies by package) | --- ### 2. Physical and Operational Characteristics * **N-Channel Enhancement Mode:** This means the device is normally "OFF" and requires a positive voltage on the Gate relative to the Source to allow current to flow from the Drain to the Source. * **Low Gate Charge:** The "7N60-R" is designed for high-speed switching. Low gate charge allows the driver circuit to turn the MOSFET on and off rapidly with minimal energy loss. * **Avalanche Ruggedness:** It is designed to handle "Avalanche" events—voltage spikes that exceed its breakdown voltage—without immediate failure, making it reliable in inductive load switching. --- ### 3. Common Applications The 7N60-R is primarily found in circuits requiring high-voltage management and fast switching: 1. **Switch Mode Power Supplies (SMPS):** Used as the primary switching element to convert AC to DC. 2. **Uninterruptible Power Supplies (UPS):** Manages power flow between batteries and the load. 3. **LED Drivers:** Controls the power delivered to high-wattage LED arrays. 4. **DC-DC Converters:** Efficiently steps voltages up or down in industrial equipment. --- ### 4. Pin Configuration (TO-220 / TO-220F Package) Most 7N60-R transistors come in the TO-220 or TO-220F (Insulated) package. Looking at the front (text facing you): 1. **Pin 1 (Gate):** Controls the biasing of the MOSFET. 2. **Pin 2 (Drain):** Connected to the high-voltage load. 3. **Pin 3 (Source):** Connected to the ground or negative rail. --- ### 5. Symbol and Circuit Representation ```text Drain (D) | +-----+-----+ | | | Gate ---| | <-- N-Channel MOSFET (G) | | (Body Diode included) +-----+-----+ | Source (S) ```