SPD74R-153M Inductors, Coils, Chokes

Fixed Inductors, SPD74R-153M Application Field and Working Principle

The SPD74R-153M (Ultra Stamp) Fixed Surface Mount Inductor, manufactured by Sunlord Electronics, is designed primarily for use in compact applications. It is characterized by having a small size, solderable construction, and reliability.This surface mount inductor is able to be used in many types of applications, including switching power supplies, inverter power supplies, switching converters, and on-chip DC-DC converters. It is also suitable for audio and instrumentation applications that require high current or low noise.The SPD74R-153M is a self-shielded surface mount inductor with a ferrite core material. The ferrite core material has a high permeability, which is essential in smaller applications because it can reduce the overall size of the inductor. The low profile makes it ideal for a variety of applications, including those found in telecommunication systems, automotive, medical, and military applications. The design of the SPD74R-153M also offers several benefits, including excellent thermal stability and high electrical performance. This makes it well-suited for applications that require a long service life. The device provides a low equivalent series resistance (ESR), which is beneficial in reducing voltage ripple in power supplies and other voltage-sensitive applications.The SPD74R-153M’s inductance is determined by winding a coil of insulated copper wire around a ferrite core. As current passes through the coil, a magnetic field is created which opposes the flow of current and thus reduces its amplitude. This opposition to the current is the inductance, and it is measured in microhenrys (mH). The SPD74R-153M is available in a variety of sizes and inductance values, with the highest inductance value being 33 mH. The device has an operating temperature range of -55°C to +125°C and an insulation resistance value of 1000 MΩ min. It has a rated maximum working voltage of 4 Vrms/60 Vdc and an ESR value of 0.11 mΩ max. In conclusion, the SPD74R-153M is a high performance surface mount inductor that is well suited for a variety of applications, including power supplies, inverters, and audio and instrumentation applications. Its small size, low ESR, and excellent thermal stability make it an ideal choice for using in DC-DC converters and other high current applications.