SPD125R-684M

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Fixed Inductors are essential electronic components found in a broad range of applications and as such, it is important to have a comprehensive understanding of this type of inductor. Many components of this type are designed to provide maximum performance, such as the SPD125R-684M, which has been specially designed to provide the necessary inductance, current carrying capacity, and temperature stability for a wide range of applications.The SPD125R-684M is a molded power inductor with a relatively low DC resistance which ensures low losses. It is available in three different inductance values depending on the application requirements. It is specially designed with low DCR parameters, good current carrying capacity and excellent temperature behavior. The inductance range can be generated via the optimized windings that are wound on an encapsulated ferrite core which provides optimal magnetic shielding.The SPD125R-684M has a peak inductance of 6.84uH with a saturated DCR of 0.035 Ohm at a rated current of 1A, and has a maximum operating temperature of 125°C (257°F). Additionally, it is RoHS compliant and the molding compound provides stable electrical and mechanical characteristics over a wide temperature range.When it comes to applications, the SPD125R-684M is commonly used in a range of products, including buck converters, general power supplies, power converters, and various power applications. It is also used in various AC-DC/DC-DC circuits for primary rectification, DC filtering and power isolation circuits. It provides high-frequency operation and low EMI (Electromagnetic Interference). As such, it is suitable for use in high frequency and low noise applications such as low voltage LED lighting circuits.In terms of the working principle of the SPD125R-684M, when there is no current flowing through it, the inductor acts as an open circuit and the inductance remains constant. Then, when a current is applied, it gives rise to a back EMF which opposes the current change, providing a force that is proportional to the inductance. This creates a lag in current passing through the inductor and it stores the energy, thus working as an inductor.The SPD125R-684M is a great choice for power supplies, and its low DCR and excellent temperature characteristics make it ideal for high-power applications in both AC-DC and DC-DC circuits. It provides excellent power transmission efficiency, low EMI, and a stable performance over a wide temperature range. With its versatile design and high reliability, the SPD125R-684M is a great choice for designers looking for an optimized inductor with an attractive cost/performance ratio to address a variety of applications.

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