The part number **8250-R56K-RC** refers to a high-frequency RF inductor manufactured by **Bourns**. It belongs to the 8250 series of molded axial leaded inductors. --- ### 1. Technical Specifications The table below highlights the primary electrical and physical characteristics of this component: | Parameter | Value | | :--- | :--- | | **Inductance** | 0.56 µH (Microhenries) | | **Tolerance** | ±10% (Indicated by 'K') | | **Current Rating (DC)** | 1.1 Amps (1100 mA) | | **DC Resistance (DCR)** | 0.080 Ohms (Max) | | **Self-Resonant Frequency** | 250 MHz (Minimum) | | **Quality Factor (Q)** | 45 (Minimum at 25 MHz) | | **Mounting Type** | Through-Hole (Axial Leaded) | | **RoHS Compliant** | Yes (Indicated by 'RC') | --- ### 2. Part Number Breakdown Understanding the nomenclature helps in identifying similar components within the series: * **8250**: The series designation (Molded Axial Inductor). * **R56**: The inductance value. "R" acts as the decimal point (0.56). * **K**: The tolerance code (K = ±10%). * **RC**: RoHS Compliant. --- ### 3. Key Features and Construction * **Encapsulation:** The inductor is encapsulated in a molded epoxy resin. This provides excellent environmental protection against moisture and physical shock. * **Core Material:** Typically utilizes a phenolic or ferrite core (depending on the specific inductance range) to optimize performance for high-frequency applications. * **Form Factor:** The axial leaded design makes it suitable for traditional through-hole PCB assembly or breadboarding. --- ### 4. Common Applications Due to its high self-resonant frequency and current handling, the 8250-R56K-RC is commonly used in: 1. **RF Coupling/Decoupling:** Filtering high-frequency noise in communication equipment. 2. **Filters:** Part of LC circuits for signal processing. 3. **Power Supplies:** Used as a small-scale choke for EMI suppression. 4. **Consumer Electronics:** Found in television tuners, radios, and signal amplifiers.