SP1812-334H

DC Resistance (DCR):	10.9 Ohm 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:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SP1812
Shielding:	Shielded
Current - Saturation:	113mA
Current Rating:	136mA
Tolerance:	±3%
Inductance:	330µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors (FI) are electrical components which use inductors as passive devices on a printed circuit board (PCB). They are designed for AC/DC circuits. An inductor is a coil consisting of a wire or other conductor. When a current passes through the wire, the inductor\'s magnetic field stores energy. The amount of stored energy depends on the size of the wire and the number of turns. If the current changes, the magnetic field increases or decreases in accordance with Faraday\'s law of induction. This phenomenon is known as inductance.

SP1812-334H

The SP1812-334H is a type of fixed inductor designed for a wide range of AC/DC applications. It has an inductance of 3.3 mH and a maximum dc current of 7.4 amps. The inductor has a self-healing epoxy material and is constructed with SMD Technology. Its operating temperature ranges from -25 to +125 °C. The part is RoHS compliant and meets UL 94V-0 requirements.

Application Field and Working Principle

The SP1812-334H is suitable for a variety of AC/DC applications. It is commonly used in power conversion, switching power supplies, motor drivers, and DC-DC converters. It can also be used in circuit protection and filter circuits. Furthermore, this part can be used in audio/video applications.The working principle of the SP1812-334H is based on Faraday\'s law of induction. When the current running through the inductor changes, the inductor reacts to the change by storing energy in its magnetic field. This energy is released when the current reverses direction, generating an opposing or aiding current. This phenomenon is known as inductance. As a result, the fixed inductor helps regulate and stabilize the current in AC/DC circuits.

Conclusion

The SP1812-334H is a fixed inductor designed for a wide range of AC/DC applications. It has a self-healing epoxy material construction, and an operating temperature range from -25 to +125 °C. The part complies with RoHS and UL 94V-0 requirements. Its inductance is 3.3 mH and the maximum current is 7.4 amps. The part is suitable for use in power conversion, switching power supply, motor drivers, DC-DC converters, circuit protection and filter circuits, and audio/video applications. In these applications, the SP1812-334H works by storing energy in its magnetic field and releasing it when the current changes direction, resulting in inductance.

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