## Technical Overview: PBYR235CT Schottky Barrier Rectifier The **PBYR235CT** is a dual-center-tap Schottky barrier rectifier. It is designed for high-frequency switching applications, such as power supplies, where low power loss and high efficiency are critical requirements. --- ### 1. Key Features * **Low Forward Voltage Drop:** Minimizes power dissipation during conduction. * **Fast Switching:** Extremely short recovery times (characteristic of Schottky diodes). * **High Junction Temperature:** Capable of operating at elevated temperatures. * **Guard Ring Protection:** Includes internal circuitry for stress protection and long-term reliability. --- ### 2. Technical Specifications The following table summarizes the primary electrical and thermal characteristics of the PBYR235CT: | Parameter | Symbol | Maximum Rating | Unit | | :--- | :---: | :---: | :---: | | Repetitive Peak Reverse Voltage | $V_{RRM}$ | 35 | V | | Average Forward Current (per diode) | $I_{F(AV)}$ | 15 | A | | Total Average Forward Current | $I_{O}$ | 30 | A | | Non-Repetitive Peak Surge Current | $I_{FSM}$ | 200 | A | | Forward Voltage ($I_F = 15A$) | $V_F$ | 0.57 (Typ) | V | | Operating Junction Temperature | $T_j$ | 150 | °C | --- ### 3. Pin Configuration & Package The device is typically housed in a **TO-220AB** plastic package, which allows for easy mounting to a heat sink. | Pin Number | Function | Description | | :--- | :--- | :--- | | 1 | Anode 1 | Input for Diode 1 | | 2 | Cathode | Common Cathode (Connected to mounting tab) | | 3 | Anode 2 | Input for Diode 2 | --- ### 4. Typical Applications The PBYR235CT is commonly utilized in the following electronic circuits: * **Switched Mode Power Supplies (SMPS):** Used for output rectification. * **DC-to-DC Converters:** Enhances efficiency by reducing diode losses. * **Freewheeling Diodes:** Protects circuits from inductive spikes in motor drives. * **Reverse Battery Protection:** Prevents damage from incorrect polarity connections. ---