smt-power-inductors-toroid-polecat-series-datasheet.pdf

SMT Power Inductors Toroid Polecat Series Overview

The Toroid Polecat Series of SMT Power Inductors, manufactured by Pulse YAGEO Company, comprises a range of components designed for surface mount technology (SMT). This datasheet provides detailed information on the specifications, electrical characteristics, and recommended pad layout for these inductors.

Product Specifications

These inductors have a maximum height of 5.5mm and a footprint that does not exceed 12.7mm x 12.7mm. They can handle a current rating of up to 8.3A and offer an inductance range from 2.0µH to 364µH. Operating temperature spans from -40°C to +130°C, ensuring reliability even in extreme conditions. Each inductor has an associated part number for ease of identification, and connection types are either parallel or series, depending on the model.

Electrical Characteristics

The electrical specifications, which include inductance at 100 Gauss, DCR (Direct Current Resistance) max, and energy storage, are provided along with the inductance at rated current (Ir). The inductance values are specified at Irated (minimum) to confirm performance under typical operating conditions.

Design and Application Notes

The datasheet further discusses temperature rise in typical buck or boost circuits at 250kHz, with reference to the energy transferred (ET) applied to the inductor. It explains how to estimate temperature rise in a given application through copper and core losses calculations. Additionally, this section provides guidance for flux density and DC bias calculations, ensuring the inductor’s performance aligns with the application’s requirements.

Part Numbering and Compliance

Each power inductor is identified by a unique part number, such as POIZ4NL, which facilitates easy ordering and inventory management. For RoHS (Restriction of Hazardous Substances) compliance, models with an “NL” suffix can be identified, though non-NL suffixed parts are electrically and mechanically equivalent. Optional Tape & Reel packaging is available, indicated by adding a “T” suffix to the part number. The datasheet stresses that the operating temperature range must include both the component’s ambient temperature and temperature rise.

Mechanical Details and Support

Aside from the electrical attributes, the datasheet provides mechanical details, including a suggested pad layout, weight, and packaging options such as Tape & Reel or Tube. Detailed dimensional information ensures compatibility with automated assembly processes. Contact details for Pulse’s global headquarters, as well as regional offices in Europe, China, North Asia, North China, and South Asia, are provided for support and additional information.

For the full technical specifications and ordering information, the datasheet encourages contacting Pulse Electronics directly or visiting their website.

References:

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Pricing & Distributors: https://www.datasheets360.com/part/detail/p0183nl/3794348982179619081/

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