SPD73-682M

DC Resistance (DCR):	65 mOhm Max
Height - Seated (Max):	0.154" (3.90mm)
Size / Dimension:	0.287" L x 0.287" W (7.30mm x 7.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SPD73
Shielding:	Shielded
Current - Saturation:	1.9A
Current Rating:	1.9A
Tolerance:	±20%
Inductance:	6.8µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors, also known as chokes, are electrical components composed of two or more coils of insulated wire that store energy and restrict the flow of electrical current in order to regulate the frequency or voltage in a particular system. In this article, we will take a look at the specific application field and working principle of one popular type of fixed inductor, the SPD73-682M.

Application Field

The SPD73-682M is a high-performance, fixed inductor designed primarily for power applications in portable electronics and consumer applications. It is especially useful in applications that require precise control over voltage current and frequency. Due to their stability and high precision rates, these inductors are commonly used in AC/DC converters, voltage regulator modules, and high frequency switching power supplies.

Working Principle

Fixed inductors like the SPD73-682M function by storing energy in the form of a magnetic field. When an electrical current passes through the inductor, the changing magnetic field induces a voltage across the two terminals of the device. This voltage helps control the flow of electrical current in a particular system.In the case of the SPD73-682M, the internal construction consists of two coils of insulated wire, one primary coil and one secondary coil. When a current is applied to the primary coil, it is amplified in the secondary coil due to the magnetic field that is generated. The amplified current is then applied to the load in order to regulate the voltage, frequency, and current in the system.

Benefits of the SPD73-682M

The SPD73-682M offers many benefits that make it a popular choice in portable electronic and consumer applications. It is incredibly efficient when it comes to handling high currents, with an efficiency rating of up to 98%. The stability of the inductor is also excellent, with a low temperature coefficient that allows it to maintain a consistent inductance over varying frequencies and temperatures. Finally, the device has a high saturation current rating, which means it can handle higher current under heavy loads without affecting the stability of the electrical system.

Conclusion

The SPD73-682M fixed inductor is an incredibly versatile and reliable component, allowing users to precisely regulate voltage, current, and frequency in their electronic systems. Its high efficiency, stability, and current handling capabilities make it especially suitable for power applications in portable electronics and consumer devices. As a result, it has become an essential part of many electrical systems.

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