Overview
The COILTRONICS High Current Inductor Single Winding, HCI series, is a range of surface-mount devices (SMD) tailored to meet high-efficiency demands in power conversion applications. Aimed at next-generation microprocessors, high-current DC-DC converters, and computer environmental data storage, these inductors are designed to operate within a temperature range of -40°C to +125°C, with a solder reflow limit of +280°C for up to 10 seconds.
Key Features
The HCI series boasts features such as a low Direct Current Resistance (DCR) for higher efficiency, foil construction suitable for higher frequency circuit designs up to 1MHz, and a ferrite core material. These inductors are designed for high current and low voltage applications and are compatible with both IR and vapor phase reflow soldering processes.
Product Specifications
The datasheet details specifications for various part numbers within the HCI series, including inductance values, saturation current (Isat), DCR, and voltage-time product ratings. Inductance values of the parts range from 0.22µH to 10µH, with Isat values reaching up to 51.42 amps for some components and DCR values as low as 0.00036 ohms. Additionally, the parts have been designed with a focus on retaining high performance under conditions that provoke core loss, with indications provided for derating necessary for AC currents.
Packaging Information
The HCI series inductors are supplied on 13″ diameter reels, with each reel containing 250 parts. The packaging system ensures parts are secured and delivered in tape and reel format, facilitating automated assembly processes. Attention is given to the user’s direction of feed for seamless integration into production lines.
Environmental and Compliance Information
Compliance with RoHS directives confirms the eco-friendly nature of these inductors. The RoHS compliance suggests a restriction of certain hazardous substances in the manufacture of electronic and electrical equipment, adhering to environmental safety standards.
Physical Dimensions
The datasheet provides detailed dimensional drawings and recommended pad layouts for mounting the inductors to a circuit board. These details ensure that engineers can design PCB layouts that accommodate the inductors’ physical size and soldering requirements.
Part Number Identification
The part numbering system for the HCI series is explained to aid in identifying the specific characteristics of each inductor, including product code, inductance value, and compliance code. This system streamlines the process of component selection based on the electrical and physical requirements of the application.
Performance Graphs
Lastly, graphs depicting Core Loss and Irms Derating With Core Loss provide visual representations of the inductors’ performance under varying applied volt-u-seconds. These graphical data points are essential for understanding how core loss affects the current rating of the inductors.
References:
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