PM75-331K

DC Resistance (DCR):	1.26 Ohm Max
Height - Seated (Max):	0.209" (5.30mm)
Size / Dimension:	0.307" L x 0.307" W (7.80mm x 7.80mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-30°C ~ 100°C
Ratings:	--
Frequency - Self Resonant:	4MHz
Q @ Freq:	--
Series:	PM75
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	400mA
Tolerance:	±10%
Inductance:	330µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are electrical components that produce a stable magnetic field in response to an alternating current. They are widely used in communication, navigation, and radar applications due to their ability to transmit AC signals over large distances with relatively little loss. The PM75-331K is a fixed inductor with a variety of applications and a unique working principle.

Applications

The PM75-331K is primarily used in impedance matching applications, where its narrowly-limited frequency response makes it ideal for precise signal transmission between two or more electronic components. It is most commonly found in radio and television transmitters, where the inductor filters out any incoming signals outside of a specifically designed frequency range. As a result, it is also used in communication equipment and other devices that require accurate amplitude and frequency response.The PM75-331K can also be used in audio equipment, where its small size and low power consumption make it an extremely efficient power source. It is used to produce a clearer, louder sound, as well as to reduce distortion, feedback, and other unwanted noise that can be generated in an audio circuit.

Working Principle

The PM75-331K works by using the principle of inductance, where electric current is passed through a coil that is surrounded by a magnetic field. This induces an electrical field, which creates a voltage in the circuit. This voltage causes current to flow in the opposite direction, resulting in a voltage drop across the inductor. This voltage drop is proportional to the amount of current that is flowing through the inductor, so adjusting the current in a given circuit can produce a different voltage output.The PM75-331K also features a high Q-value, which is a measure of how efficient the inductor is at transferring energy in an electrical circuit. This makes the inductor extremely efficient, which is essential for precise power transmission in communication and audio equipment.

Conclusion

The PM75-331K is an extremely efficient fixed inductor that has many possible applications in communication and audio equipment. It features a high Q-value and a narrowly-limited frequency response, making it ideal for precise signal transmission. With its small size and low power consumption, the PM75-331K is an excellent choice for audio equipment and other devices that require accurate voltage output.

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