The **CTS2F-R15J** is a high-frequency, axial-leaded wirewound inductor. It is part of the **CTS2F series** commonly manufactured by companies like **Central Technologies** or **Bourns**. These components are primarily used for filtering, decoupling, and impedance matching in RF and power supply circuits. --- ### 1. Part Number Deciphering To understand the specific properties of this part, we can break down the alphanumeric code: | Segment | Value | Description | | :--- | :--- | :--- | | **CTS2F** | Series | Molded Axial Leaded Inductor (Standard Series) | | **R15** | Inductance | **0.15 µH** (The "R" acts as a decimal point) | | **J** | Tolerance | **±5%** (Standard precision for inductors) | --- ### 2. Technical Specifications The following table outlines the typical electrical characteristics for the R15J variant: | Parameter | Specification | | :--- | :--- | | **Inductance** | 0.15 µH | | **Tolerance** | ±5% | | **Test Frequency** | 25.2 MHz | | **Quality Factor (Q Min)** | 50 | | **Self-Resonant Frequency (SRF)** | ~525 MHz | | **DC Resistance (DCR Max)** | 0.08 Ω | | **Rated Current (IDC)** | ~920 mA | | **Operating Temperature** | -55°C to +105°C | --- ### 3. Physical Characteristics * **Package Type:** Axial (Through-hole). * **Core Material:** Phenolic (Non-magnetic core) or Ferrite, depending on the specific sub-series requirements for high-frequency stability. * **Coating:** Molded epoxy resin which provides moisture resistance and mechanical strength. * **Dimensions:** Typically ~6.35mm length and ~2.4mm diameter. --- ### 4. Key Applications Because of its low inductance (0.15 µH) and high self-resonant frequency, this part is ideal for: 1. **RF Circuits:** Used in oscillators, high-frequency filters, and signal processing. 2. **EMI Suppression:** Filtering high-frequency noise in communication equipment. 3. **Decoupling:** Preventing high-frequency interference from affecting power rails in sensitive electronics. ---