SRN4018-331M

Q @ Freq:	30 @ 796kHz
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.157" L x 0.157" W (4.00mm x 4.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Features:	--
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	6MHz
Series:	SRN4018
DC Resistance (DCR):	6.36 Ohm Max
Shielding:	Semi-Shielded
Current - Saturation:	210mA
Current Rating:	200mA
Tolerance:	±20%
Inductance:	330µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active

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SRN4018-331M Fixed Inductors

The SRN4018-331M is a fixed inductor that has been designed for use in low-power and low-profile applications. It is commonly used in applications such as voltage regulators, audio circuits, and DC-to-DC converters. The device has an inductance tolerance of 20% and a current rating of 1.0A. This fixed inductor consists of a copper-clad steel core which has been magnetically shielded with a ferrite material to reduce stray magnetic fields. The inductor is also coated with an epoxy material to improve electrical insulation. The size of the SRN4018-331M is 0.7 x 0.5 x 0.30 inches, making it suitable for use in tight spaces and assuring it has high mechanical strength and rigidity. Additionally, the inductor has a weighing 0.06 ounces, making it lightweight and perfect for applications where weight is a major consideration.

Working Principle

An inductor is a two-terminal electrical device with the ability to store energy in the form of a magnetic field. It works by creating a magnetic field when electric current passes through it. This magnetic field induces a voltage across the terminals of the inductor. The inductance of an inductor is expressed in Henrys (H). It is also the impedance ratio between the applied voltage and the resulting current, and it is a measure of the inductor\'s effective resistance to AC currents. This is why inductors are used to limit the current at high frequencies in order to protect devices from being overloaded.Generally, fixed inductors are used in applications where the inductance is required to remain constant over time. In contrast, variable inductors are used in applications where the inductance can be adjusted.

Applications

The SRN4018-331M fixed inductor is primarily used in low power and low profile applications, such as:

• Voltage regulators
• DC-to-DC converters
• Audio circuits
• Power supplies
• Power filtering
• AC-to-DC converters
• RF circuits

The inductor is also used in automotive, computing, and medical technology, as it allows for more efficient operation and improved system reliability. In addition, the SRN4018-331M can be used in other inductor applications, such as noise suppression and EMI filters.

Advantages

The SRN4018-331M fixed inductor is a small yet effective device which offers a range of benefits. The device has a relatively low profile, making it perfect for applications with limited space. Additionally, the inductor has a small form factor, which allows it to fit into tight spaces. The inductor also has a good current rating and a narrow tolerance range, allowing for a more consistent level of performance. Additionally, the device is lightweight which makes it suitable for applications where weight is a major consideration.

Conclusion

The SRN4018-331M is a fixed inductor which is highly suitable for low-power, low-profile applications. Its small size makes it perfect for applications with limited space, and its current and tolerance range allow for consistent performance. Furthermore, the inductor is lightweight and has a good current rating. All these features make it the ideal choice for use in voltage regulators, audio circuits, and DC-to-DC converters.

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