## S3JB-13-F: Electronic Component Specifications The **S3JB-13-F** is a surface-mount General Purpose Rectifier diode manufactured by **Diodes Incorporated**. It is widely used in power management for AC-to-DC rectification and reverse polarity protection. --- ### 1. Key Technical Specifications Below are the primary electrical and physical parameters for the S3JB-13-F: | Parameter | Value | | :--- | :--- | | **Component Type** | Rectifier Diode | | **Maximum Repetitive Reverse Voltage ($V_{RRM}$)** | 600 V | | **Average Rectified Output Current ($I_O$)** | 3.0 A | | **Forward Voltage Drop ($V_F$) @ 3A** | 1.15 V (Max) | | **Peak Forward Surge Current ($I_{FSM}$)** | 100 A | | **Reverse Recovery Time ($t_{rr}$)** | Standard Recovery (typically > 500ns) | | **Operating Temperature Range** | -65°C to +150°C | | **Package Type** | SMB (DO-214AA) | --- ### 2. Physical and Packaging Features * **Case Material:** Molded Plastic, "Green" Molding Compound (UL Flammability Classification Rating 94V-0). * **Terminals:** Lead-Free Plating (Matte Tin finish), Solderable per MIL-STD-202. * **Polarity:** Cathode band indicates the negative side. * **Marking:** The device is typically marked with "S3JB". --- ### 3. Applications and Usage The S3JB-13-F is designed for general-purpose applications where high voltage and moderate current handling are required. * **AC-to-DC Rectification:** Used in bridge rectifiers for power supplies. * **Freewheeling Diode:** Protects circuits from voltage spikes generated by inductive loads (motors, solenoids). * **Reverse Polarity Protection:** Prevents damage if a battery or power source is connected backwards. * **Switching Power Supplies (SMPS):** Used in the secondary stage for rectification. --- ### 4. Part Number Breakdown The suffixing in the part number provides specific manufacturing info: * **S3J:** The base model (3A, 600V Rectifier). * **B:** Indicates the **SMB** package size. * **13:** Refers to the tape and reel size (13-inch reel). * **F:** Denotes RoHS compliance and Lead-Free status.