S1812-331F

DC Resistance (DCR):	220 mOhm Max
Height - Seated (Max):	0.134" (3.40mm)
Size / Dimension:	0.189" L x 0.134" W (4.80mm x 3.40mm)
Supplier Device Package:	1812 (4532 Metric)
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	240MHz
Q @ Freq:	40 @ 25MHz
Series:	S1812
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	952mA
Tolerance:	±1%
Inductance:	330nH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors are important passive components in electronics. They are extensively used in resistive-capacitive (RC) filters and low-pass filter (LPF) applications. Fixed inductors can also be used as choking coils to obstruct high frequency and high current signals and as current sense elements in battery low voltage protection circuits. The S1812-331F fixed inductor is a new product from Shenzhen Security Components, offering many benefits when used in a variety of applications.

Applications

The S1812-331F fixed inductor is mainly used in DC-DC converters and output circuits, high frequency power supplies, LED lighting systems, and various electronic circuits. It can also be used in low frequency signal circuits to reduce noise and stability problems. Its small size and lightweight design make it ideal for applications that require a small footprint.

Features

The S1812-331F fixed inductor features a wide range of inductance values, from 0.33uH to 66uH, a compact size, a high inductance to volume ratio, and a wide frequency range of up to 6GHz. It has low DC resistance and is capable of dissipating up to 4Watts in a 60 second interval.

Design

The S1812-331F fixed inductor is a compact, cylindrical device measuring 4mm in diameter and 18m in height. It is constructed from high quality materials comprising ferrite torroid, ferrite core, ferrite material, ceramic coated silver wire, and flexible copper sheath. The total inductance is determined by the ferrite torroid, ferrite core, and the winding and copper resistance. The ferrite torroid and ferrite core provide mechanical rigidity and insulation for the windings, and the flexible copper sheath provides superior mechanical protection.

Working Principle

The S1812-331F fixed inductor works by creating an electric field between the two conductors connected to it. As current passes through the conductor, the electric field creates a magnetic field around the conductor. This magnetic field stores energy in the form of a magnetic field. When a load is connected to the two conductors, the magnetic field induces a current in the load, which in turn draws power from the magnetic field. The power drawn is proportional to the inductance of the coil.

Conclusion

The S1812-331F fixed inductor is a versatile component offering many benefits for various applications. Its wide range of inductance values, compact size, high inductance to volume ratio, and wide frequency range make it ideal for many applications. It can be used in DC-DC converters and output circuits, high frequency power supplies, LED lighting systems, and various other electronic circuits.

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