Overview of Pulse SMT Power Inductors P11ZO/P1171 Series
The P11ZO/P1171 series of SMT (Surface Mount Technology) Power Inductors, produced by Pulse, a Technitrol Company, offer shielded drum core design intended for various applications requiring high current handling capabilities. These components are compliant with RoHS standards, indicating they are free of certain hazardous materials.
Key Features
Compact Design: With a maximum height of 6.0mm and a footprint of 12.2mm x 12.2mm, this series is designed to optimize board space.
Inductance Range: The series covers a broad inductance range from 0.32μH to 750μH, catering to varied application requirements.
Current Rating: These inductors can handle high current, with ratings up to 13A.
Temperature Range: They operate over a wide temperature span from -40°C to +130°C, making them suitable for harsh operating conditions.
Electrical Specifications
The datasheet provides detailed electrical characteristics of the inductors, such as saturation current, core loss factor, and DCR (Direct Current Resistance). In addition, the series details indicate factors that affect inductor performance, including inductance drop due to saturation current at 25°C and increased temperature resulting from core losses.
Part Numbers
A comprehensive list of part numbers along with self-resonant frequencies (SRF) is included, providing options for varying specifications within the series. Each part number corresponds to different inductance values and other electrical parameters.
Mechanical and Packaging Information
Physical dimensions and suggested pad layouts are illustrated for ensuring proper PCB (Printed Circuit Board) design and component placement. Information on weight and Tape & Reel packaging options are also included for supply chain and assembly considerations.
Additional Notes
The first two pages of the datasheet also give insight into how to calculate estimated temperature rise due to losses, how to order RoHS compliant parts, and how the saturation and heating currents are defined.
It also includes contact information for Pulse’s global offices and website, indicating the international availability of these components.
Usage and Application
These power inductors are ideal for applications in high-frequency consumer electronics and industrial power systems that require a compact footprint, efficient energy storage, and minimal power loss. As they are rated for a wide temperature range, they can be confidently utilized in challenging environmental conditions.
References:
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