PM20S-R033M

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Fixed Inductors

Fixed inductors play an integral role in the function of many electronic systems and power supplies. One example of a fixed inductor is the PM20S-R033M, a surface-mount inductor with an inductance of 33nH and a rated current of 1.2A. This inductor is relatively small, measuring at just 6mm x 6mm with a height of 2.75mm.

PM20S-R033M Application Field

The PM20S-R033M inductor is suitable for use in automotive and industrial applications, such as consumer electronics, communication systems, power supplies, circuit protection, and automotive infotainment. The inductor can also be used in power adapters, lighting systems, and battery charging systems. The inductor is RoHS compliant and can be used in temperatures ranging from -40℃ to +125℃.

PM20S-R033M Working Principle

A fixed inductor consists of an iron core, wrapped with a small length of insulated wire. When current flows through the wire, a magnetic field forms around the wire, generating a potential difference. This potential difference increases over time as more current flows, until it reaches its maximum value, known as the inductor’s “Q” value. At this point, the magnetic field is saturated and the current stops flowing. This process is known as “induction” and is the basic principle behind the working of fixed inductors.

The PM20S-R033M has a standard inductance of 33nH and a rated current of 1.2A. The inductor is designed to be used with a frequency of 1-100MHz, enabling it to absorb energy over a wide range of frequencies. The inductor is also designed to avoid loud noise, such as EMI, which is commonly caused by inductors with poor EMI suppression. The PM20S-R033M uses an advanced winding process that helps to reduce EMI noise and ensure a more reliable electrical performance.

Advantages of Fixed Inductors

Fixed inductors are widely used in many electronic devices due to their ability to provide consistent performance over a wide range of frequencies and temperatures. Fixed inductors are also small and lightweight, making them easy to ship and install. Additionally, fixed inductors provide high power density, enabling them to handle more power in a smaller package. This makes them ideal for use in power supplies, automotive infotainment, and consumer electronics.

The PM20S-R033M has a standard inductance of 33nH and a rated current of 1.2A, making it suitable for use in consumer electronics, communication systems, power supplies, circuit protection, and automotive infotainment. Additionally, the inductor is RoHS compliant and can be used in temperatures ranging from -40℃ to +125℃, making it suitable for a wide range of applications.

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