The HC8 Series datasheet presents information on high current power inductors designed by COILTRONICS, a COOPER Bussmann brand. These inductors are engineered for applications demanding low voltage operation and high current capabilities, making them ideal for power supplies and converters in various electronic systems. The series is characterized by its ability to handle a significant frequency range suitable for next-generation microprocessors, DC-DC converters, PCs, workstations, telecom switches, and base stations.
Main Features
Surface Mount Design: These power inductors have a height of 4.0mm and comply with the RoHS directive 2002/95/EC.
Materials: The inductor series utilizes high-temperature powder iron material with a non-organic binder, enhancing thermal stability and minimizing aging effects.
Inductance and Current Range: The HC8 series offers an inductance range from 0.175µH to 47.3µH and a current range spanning 39.0 to 2.4 Amps.
Frequency Range: These inductors are suitable across a frequency range from 1kHz to 500kHz.
Environmental and Packaging Specifications
Environmental Tolerances: The HC8 series operates within a temperature range from -40°C to +155°C and can withstand solder reflow temperatures up to +260°C for a maximum of 10 seconds.
Packaging: The inductors are supplied in tape and reel packaging, accommodating 800 parts per reel. This facilitates simplified assembly and integration into surface-mount technology (SMT) workflows.
Performance Parameters
Each inductor in the series is identified by a specific part number that correlates with its inductance value, saturation current (Isat), and typical direct current resistance (DCR). These parameters provide essential information to help designers choose the appropriate inductor for their application. For instance, typical part numbers such as HC8-R15-R and HC8-470-R represent the range of inductance values within the series.
Testing conditions include an operating frequency of 100kHz and a 1.0Vrms, ensuring that part temperatures do not exceed 155°C to prevent performance degradation. Different Isat values are provided for scenarios of 15% and 30% rolloff at a specific temperature rise, which are intricate details crucial for advanced power supply applications.
Product Designation and Mechanical Layout
The datasheet also encompasses the product code structure and the mechanical diagrams detailing different views of the power inductor for accurate mounting on printed circuit boards (PCBs). The ‘R’ suffix in the part numbers indicates compliance with RoHS standards.
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