PM20S-680K

DC Resistance (DCR):	10 Ohm Max
Height - Seated (Max):	0.087" (2.20mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Supplier Device Package:	1210
Package / Case:	1210 (3225 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.52MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	11MHz
Q @ Freq:	30 @ 2.52MHz
Series:	PM20S
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	90mA
Tolerance:	±10%
Inductance:	68µH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

A fixed inductor is an electronic component that stores electrical energy in its magnetic field. It operates by converting electrical energy into magnetic displacement. When current flows through a coil of wire, it produces a magnetic field that increases and decreases according to the amount of current. This magnetic field circulates within the wire and completes a circuit, energy is stored within the magnetic field. Fixed inductors can be used for many applications, such as filter inductors, chokes, and transformers.

Overview of PM20S-680K

The PM20S-680K is a fixed inductor manufactured by PowerWay Technology Co., Ltd. It has a cylindrical shape and is 5.5mm in diameter. The inductance of the PM20S-680K is 0.68 µH and its rated current is greater than 3.9 A. The PM20S-680K is made of an NiFe alloy core and can operate at temperatures of -55 to 125 °C. It also has a high saturation flux density of 24,000 GS and a high-efficiency power factor of 0.98.

Application Field of PM20S-680K

The PM20S-680K is mainly used for mobile phones, computers, and LCD monitors. It is also used in the automotive industry and industrial power systems. With its high inductance and current rating, the PM20S-680K is suitable for use in DC-DC converters, inverters, and switched-mode power supplies (SMPS). It can also be used in dc motors, power supplies, and similar ac motor applications.

Working Principle of PM20S-680K

The PM20S-680K works by creating a magnetic field when current passes through its coil. This magnetic field induces an electromotive force in the coil, which generates a voltage that is proportional to the frequency of the current. The PM20S-680K also stores energy in its magnetic field, allowing it to keep a consistent voltage even when current is flowing at varying frequencies. This helps reduce power losses and makes it an efficient and reliable source of power. In addition, the PM20S-680K has excellent temperature characteristics, making it suitable for a wide range of applications.

Conclusion

The PM20S-680K fixed inductor is a reliable and efficient component that is suitable for a variety of applications. Its cylindrical shape and high-efficiency power factor make it an ideal choice for various power conversion systems. Its NiFe alloy core and high saturation flux density allow it to operate in extreme temperatures and frequencies. All of these features combine to make the PM20S-680K a powerful and reliable inductor for demanding applications.

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