The datasheet provides detailed information about the “Mini Spring” Air Core Inductors, a range of surface mount inductors manufactured by Coilcraft. Designed for high-temperature applications, these inductors are coated with a high-temperature material for mechanical stability and precise tolerance. Their construction facilitates automatic placement and compatibility with reflow or vapor phase processing, thanks to flat tops and tinned leads for improved soldering reliability.
Product Features and Packaging
The datasheet outlines the availability of these inductors in standard EIA tape and reel packaging, with 12 mm tape width for size A and 16 mm for size B. Additionally, Designer’s Kit C102 is mentioned, which contains samples of all standard parts listed in the datasheet. Ordering instructions are provided with an emphasis on specifying inductance tolerance when requesting parts.
Specifications and Performance
Performance specifications detailed include inductance values ranging from 1.1 to 43.0 nanohenries (nH), with quality factors (Q) reaching up to a minimum of 145. Data on self-resonant frequencies (SRF), direct current resistance (DCR), and peak current capacity (Ipc) across various parts are also included. The inductors deliver extremely high Q over a broad frequency range, from minimum measurable MHz to maximum GHz. The document provides a reference to “Spring Inductors Product Specifications” for additional environmental data and also mentions that certain inductance tolerances are readily stocked for immediate shipping.
Test Equipment and Measurements
Measurement specifics include the use of HP4286 with Coilcraft’s SMD-A fixture and correlation and the HP4291A with HP16193A test fixtures for Q measurements. The datasheet specifies that the self-resonant frequency is measured using HP8753D with another Coilcraft fixture.
Physical Dimensions and Land Patterns
Information about typical land patterns for soldering these components onto printed circuit boards is given through detailed measurement tables, demonstrating the footprint for both size “A” and “B” components. Dimensions are meticulously noted, which are relevant for designers and manufacturers integrating these inductors into their designs.
Ordering and Contact Information
The ordering codes for each part are explained with a brief instruction on adding the inductance tolerance number. The document provides Coilcraft’s contact details, including phone and fax numbers, email address, and website for further information or data requests via fax.
Note
The datasheet emphasizes that product specifications are subject to change without notice, underscoring the need for checking the latest information directly from Coilcraft.
Document Information
The datasheet includes its reference number (Document 107-1) and the revision date (11/19/97), along with the company’s physical address in Cary, Illinois.
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