The **FR107GP-Z41-R** is a specific variant of the FR107 series, which is a **Fast Recovery Rectifier Diode**. This component is designed to convert alternating current (AC) to direct current (DC) with high efficiency, particularly in high-speed switching environments. --- ### 1. Key Specifications The technical parameters define how much voltage and current the diode can handle before failure. | Parameter | Value | Description | | :--- | :--- | :--- | | **Part Number** | FR107GP-Z41-R | Specific Manufacturer Part ID | | **Repetitive Peak Reverse Voltage ($V_{RRM}$)** | 1000V | Maximum voltage it can block in reverse. | | **Average Forward Current ($I_{F(AV)}$)** | 1.0A | Maximum continuous current flow. | | **Reverse Recovery Time ($t_{rr}$)** | 500ns | Speed at which it stops conducting when reversed. | | **Forward Voltage Drop ($V_F$)** | 1.3V | Voltage lost across the diode when conducting. | | **Package Type** | DO-41 | Through-hole axial leaded package. | --- ### 2. Breakdown of the Part Suffixes In electronic components, the letters following the base part number (FR107) often indicate material or packaging details: * **GP:** Usually stands for **Glass Passivated**. This means the silicon chip is covered with a layer of glass for better chemical stability and lower leakage current. * **Z41:** This is typically a manufacturer-specific code for the **Lead-Bend** style or a specific internal packaging configuration. * **R:** Generally indicates that the part is compliant with **RoHS** (Restriction of Hazardous Substances) or relates to **Tape & Reel** packaging. --- ### 3. Core Functions The FR107 series is chosen over standard diodes (like the 1N4007) for specific reasons: 1. **Fast Switching:** Because it has a $t_{rr}$ of 500ns, it can handle higher frequencies without overheating, unlike standard recovery diodes. 2. **High Voltage Tolerance:** With a 1000V rating, it is suitable for mains-connected power supplies. 3. **Rectification:** Its primary job is to ensure current only flows in one direction. --- ### 4. Common Applications Due to its "Fast Recovery" nature, it is found in: * **SMPS (Switched-Mode Power Supplies):** Used in the output rectification stage. * **DC-DC Converters:** Managing energy flow at high frequencies. * **Inverters:** Converting battery power back to AC. * **Free-wheeling Diodes:** Protecting circuits from inductive spikes (back-EMF) in motor controllers. --- ### 5. Schematic Symbol In a circuit diagram, it is represented as a standard diode: ```text Anode (A) Cathode (K) | |\ | | ------|-------| >|--------|------ |/ | (Current Flow ->) ```