195J20

DC Resistance (DCR):	45 mOhm
Height - Seated (Max):	4.470" (113.54mm)
Size / Dimension:	5.250" L x 5.500" W (133.35mm x 139.70mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Chassis Mount
Operating Temperature:	--
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	195
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	20A
Tolerance:	±15%
Inductance:	10mH
Material - Core:	--
Type:	--
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors: 195J20 Application Field and Working Principle

Fixed inductors are one of the most commonly used passive components in the electronics industry. They have a wide range of applications and come in various shapes, sizes, and materials to fulfill the varying needs of different applications. Especially, the 195J20 is a mini-sized device dedicated to high frequency applications. In this article, we will explore the application field of the 195J20, and its working principle in more detail.

What is a 195J20?

The 195J20 is a small form factor shielded inductor. It comes with an air core ferrite magnet, a winding, and a shield. The size of this device is remarkably small, despite having its power dissipation capability of 3 watts. This miniaturization allows the device to be used in many high-frequency applications. The shielded structure guards the device from interferences that can limit its operation.

Applications of the 195J20

The 195J20 finds its application in a wide range of fields, including control, line feeding, power supplies, and data communication circuits. This device is ideal for use in bandwidth-intensive applications such as LCD and LED panels and drives. It helps reduce the ripple associated with switching power supplies to better control the output current. In communication systems, this inductor helps reduce the noise from transmitted signals. Also, the device is suitable for switching over-current protection circuits, as the shield helps reduce the magnetic field disturbances.

Working Principle of the 195J20

The working principle of the 195J20 is due to its magnetic core material. The core material is composed of ferrite or powdered iron. When current flows through the winding, it induces a magnetic field within the core material. This magnetic field induces a voltage in the winding and creates an electromotive force. This electromotive force depends on the core material, winding inductance and the current level. The device also has an effect on the supply voltage, due to its physical structure. This effect is known as leakage inductance, which is a combination of residual flux of the core material and the winding’s inductance. The maximum amount of leakage inductance is determined by the parameters chosen for the device.

Conclusion

The 195J20 is a miniaturized inductor suitable for high-frequency applications. The shielded inductor helps reduce the effect of interference on the device and allows its usage in communication systems and switching power supplies. The device is capable of holding up to 3 watts of power dissipation and its working principle is based on the magnetic core material that induces a voltage in the winding. This article has provided a comprehensive overview of the 195J20 application field and working principle.

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