The LV SP1210, specifically the SP1210-124G variant, represents a crucial component in numerous electronic circuits. This shielded drum core, wirewound inductor, manufactured by Delevan (now API Delevan Inc.), offers a compact and robust solution for applications requiring precise inductance values within a specific current range. Understanding its specifications, applications, and availability is paramount for engineers and procurement professionals alike. This article will explore the LV SP1210 in detail, covering its characteristics, variations within the SP1210 series, datasheet information, sourcing options, and potential applications.
Understanding the SP1210-124G Specifications:
The SP1210-124G, as mentioned, is a 120 µH shielded drum core inductor with a maximum current rating of 147 mA and a maximum DC resistance (DCR) of 9.6 ohms. The "shielded" aspect is vital, minimizing electromagnetic interference (EMI) and ensuring better signal integrity in sensitive circuits. The drum core construction offers excellent inductance stability and temperature performance compared to other inductor types. The compact size, typical of the 1210 case size (1.25mm x 1.0mm), makes it ideal for surface mount technology (SMT) applications in space-constrained designs.
The non-standard nature of this specific part number suggests it may be a custom or less commonly produced variation within the broader SP1210 series. This implies that sourcing might require more diligent effort than for standard components. However, the inherent benefits of its shielded design and precise inductance value often justify the extra search.
The SP1210 Series and its Variations:
The SP1210 designation refers to a family of inductors from Delevan, all sharing a common 1210 case size. While the SP1210-124G is a specific part with defined characteristics, the wider SP1210 series encompasses a range of inductance values, current ratings, and tolerances. Variations within the series, such as those indicated by the suffixes or prefixes (e.g., SP1210R), likely denote differences in materials, construction techniques, or performance parameters. Consult the datasheets for specific details on these variations. Understanding this variability is essential for selecting the optimal component for a given application. The availability of different parts within the SP1210 series allows for flexibility in design choices, enabling engineers to fine-tune their circuits for optimal performance.
Datasheet Information: The Key to Understanding Performance:
The official datasheets for the SP1210 and SP1210R series, readily available from API Delevan Inc., are critical resources for understanding the full performance characteristics of these inductors. These documents provide detailed specifications, including:
* Inductance Range: The range of inductance values available within the series.
* Tolerance: The permissible variation from the nominal inductance value.
* DC Resistance (DCR): The resistance of the inductor's winding, impacting power dissipation and efficiency.
* Current Rating: The maximum current the inductor can safely handle without overheating or failure.
* Q Factor: A measure of the inductor's quality, reflecting its energy efficiency.
* Self-Resonant Frequency (SRF): The frequency at which the inductor's parasitic capacitance becomes significant, impacting its performance at higher frequencies.
* Temperature Coefficient: How the inductance changes with temperature variations.
* Operating Temperature Range: The temperature range within which the inductor can operate reliably.
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