The **JCS7N65RE-R-BR** is an N-Channel enhancement mode Power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor). It is primarily designed for high-efficiency switch-mode power supplies and electronic ballast applications. ### 1. Key Technical Specifications The following table highlights the primary electrical characteristics of the device: | Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | Drain-Source Voltage | $V_{DSS}$ | 650 | V | | Continuous Drain Current | $I_D$ | 7.0 | A | | Pulsed Drain Current | $I_{DM}$ | 28 | A | | Gate-Source Voltage | $V_{GSS}$ | ±30 | V | | Static Drain-Source On-Resistance | $R_{DS(on)}$ | 1.15 (Typ) / 1.4 (Max) | $\Omega$ | | Total Gate Charge | $Q_g$ | 24 | nC | --- ### 2. Physical and Structural Features * **Package Type:** The "RE" suffix typically refers to specific packaging variations, often **TO-220MF** (Full Plastic) or similar variants like **TO-252 (DPAK)** depending on the manufacturer (primarily Jilin Sino-Microelectronics). * **Mounting:** Through-hole or Surface Mount (based on the package variant). * **Internal Protection:** Usually includes high ruggedness and fast switching capabilities to handle inductive loads. --- ### 3. Application Areas This MOSFET is commonly found in the following electronic circuits: * **AC-DC Power Supplies:** Used in the primary switching stage of adapters and chargers. * **LED Drivers:** Ideal for constant current or constant voltage LED power modules. * **Electronic Ballasts:** Used in lighting circuits to regulate current. * **DC-DC Converters:** High-speed switching in industrial power modules. --- ### 4. Part Number Breakdown (Naming Convention) | Segment | Meaning | | :--- | :--- | | **JCS** | Manufacturer Prefix (often Jilin Sino-Microelectronics) | | **7** | Current Rating ($I_D \approx 7A$) | | **N** | Channel Type (N-Channel) | | **65** | Voltage Rating ($V_{DSS} = 650V$) | | **RE/R/BR** | Package style, Lead-free status, and Taping/Packing information | --- ### 5. Typical Schematic Representation In a circuit diagram, the MOSFET is represented with three terminals: **Gate (G)**, **Drain (D)**, and **Source (S)**. ```text Drain (D) | ---| Gate (G) | |--- Source (S) ---| | (Body Diode) ```