SRN4018TA-1R5M

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Fixed inductors, as their name implies, are components used in electronics and electrical systems that have a fixed inductance. The SRN4018TA-1R5M is one example of a fixed inductor from Taiyo Yuden, a major global manufacturer of electronic components. This inductor has a maximum rated current of 1.5A and a saturation current of 4.5A, making it suitable for use in a range of power-electronics applications, from motor drives to current filters.

The SRN4018TA-1R5M features a molded, toroidal core construction that allows for a compact design with minimal magnetic loss. The core is made from high-temperature ferrite and has an evaporated copper wire coil wound around it, providing excellent shielding characteristics. The inductor has a low profile shape with a height of only 4mm and a diameter of 18mm, which makes it suitable for use in low-profile applications like power converters.

The SRN4018TA-1R5M’s rated current of 1.5A makes it suitable for use in a range of applications, including applications that require higher current capacity such as motor drives and power converters. It can be used in applications such as current-filtering circuits for motor control and protection, which require high current capacity in order to ensure optimal performance. The inductor’s low profile shape also makes it suitable for use in automatic assembly processes.

In terms of performance, the inductance of the SRN4018TA-1R5M is 1.5uH and the resistance is 0.05Ohms, which is typical for a device of this type. The DC superposition current is within the ±20% range, making it an ideal option for DC power applications. Additionally, the SRN4018TA-1R5M has a high self-saturation voltage of 1.3V, which provides protection against high voltage transients.

In terms of stability, the inductor is considered to be highly stable, with a resonance frequency of 40kHz and an effective series resistance of 1 ohm. The inductor has a temperature coefficient of +25 to -55ppm/°C, which ensures stability in a wide temperature range. Additionally, the SRN4018TA-1R5M is RoHS compliant and UL approved, making it suitable for use in industrial and commercial applications.

In summary, the SRN4018TA-1R5M is an excellent example of a fixed inductor from Taiyo Yuden. It has a maximum rated current of 1.5A and a saturation current of 4.5A, and features a molded, toroidal core construction. It is suitable for use in a range of power-electronics applications, from motor drives to current filters and automatic assembly processes. Additionally, the inductor is highly stable with a resonance frequency of 40kHz and a temperature coefficient of ±25 to -55ppm/°C. The SRN4018TA-1R5M is also RoHS compliant and UL approved, making it suitable for use in industrial and commercial applications.

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