Overview
Coilcraft’s Mini Air Core Inductors are featured for their high Q (quality factor), precision, and robust reliability. Constructed with an air core, these inductors are enclosed in an acrylic jacket, which facilitates pick and place processes during electronic assembly. The leads of these inductors are solder coated, promoting effective soldering—a critical aspect for durable and reliable circuitry. Key attributes include a temperature operating range from -40°C to +125°C for nominal current (Irms) operations and up to +140°C with derated current.
Compliance and Quality
The inductors comply with RoHS standards, utilizing tin-silver over copper terminations, with alternate terminations available. Highlighting the commitment to quality and environmental standards, the devices are also REACH compliant and have passed rigorous tests, including MIL-STD-202 Method 215, to prove their performance post PCB washing.
Specifications
Designed to withstand soldering heat, they can endure up to three 40-second reflows at +260°C. These mini inductors have a Temperature Coefficient of Inductance (TCL) ranging from +5 to +70 ppm/°C, ensuring stability across varying temperatures. The Moisture Sensitivity Level (MSL) indicates unlimited floor life under controlled conditions (<30°C/85% relative humidity). Storage temperatures for components can range from -40°C to +140°C, whereas tape and reel packaging is limited to -40°C to +80°C.
Product Variants and Packaging
Various product options are available, denoted by part numbers like A01TKL, B06T, etc., with different inductance values, tolerances, and physical sizes. The products are shipped in reels of 700 (AxxT) or 500 (BxxT) compatible with a recommended pick and place nozzle. These inductors are ready for automated assembly processes with specifications on recommended land patterns and packaging codes.
Technical Support and Availability
Coilcraft provides technical support and resources, such as designer kits containing varied values of the inductors for prototyping (e.g., Kit C302). Additional tools like S-parameter files and SPICE models are available on Coilcraft’s website. For further assistance, regional sales contact information is furnished.
Note
Coilcraft’s datasheet clarifies that the Mini Air Core Inductors are not suitable for medical or high-risk applications without prior approval. Specifications are subject to change, and up-to-date information can be sourced from the official Coilcraft website.
References:
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