The **AC30-R22K-RC** is an electronic component manufactured by **Allied Components International**. It belongs to the category of **fixed inductors (chokes)**, specifically designed for high-frequency applications and power management. --- ### 1. Key Technical Specifications | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.22 µH (Microhenries) | | **Tolerance** | ±10% (Indicated by the "K" in the part number) | | **Current Rating (Idc)** | 1.34 Amperes (Typical) | | **DC Resistance (DCR)** | 0.08 Ohms Max | | **Self-Resonant Frequency (SRF)** | 450 MHz | | **Package Type** | Axial Leaded (Through-hole) | | **RoHS Status** | Compliant (Indicated by "RC") | --- ### 2. Part Number Breakdown Understanding the nomenclature helps identify the physical and electrical characteristics: * **AC30**: Series designation (conformal coated, axial leaded inductors). * **R22**: Represents the inductance value. The "R" acts as a decimal point ($0.22$). * **K**: Tolerance code ($K = \pm10\%$). * **RC**: Denotes **RoHS Compliant**, meaning it is free from restricted hazardous substances like lead. --- ### 3. Physical Construction * **Core Material:** Usually features a ferrite or phenolic core depending on the specific frequency range requirements. * **Coating:** Encapsulated in a flame-retardant epoxy resin (conformal coating) to protect the internal copper windings from moisture and mechanical stress. * **Form Factor:** Cylindrical shape with two wire leads extending from opposite ends (Axial). --- ### 4. Common Applications Due to its low inductance and high resonant frequency, this part is typically used in: * **RF Coupling/Decoupling:** Filtering high-frequency noise in radio frequency circuits. * **EMI/RFI Suppression:** Preventing electromagnetic interference in sensitive electronics. * **Power Supplies:** Small-scale DC-DC converters and voltage regulators. * **Signal Conditioning:** Maintaining signal integrity in telecommunication devices. --- ### 5. Equivalent Comparison Example If searching for alternatives, the following characteristics must match: ```markdown - Type: Axial Inductor - Inductance: 220nH (0.22µH) - Current: >1.3A - DCR: <0.1Ω ```