1331R-123H

DC Resistance (DCR):	3 Ohm Max
Height - Seated (Max):	0.145" (3.68mm)
Size / Dimension:	0.313" L x 0.115" W (7.95mm x 2.92mm)
Supplier Device Package:	--
Package / Case:	2-SMD
Mounting Type:	Surface Mount
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	35MHz
Q @ Freq:	36 @ 2.5MHz
Series:	1331R
Shielding:	Shielded
Current - Saturation:	122mA
Current Rating:	122mA
Tolerance:	±3%
Inductance:	12µH
Material - Core:	Iron
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are commonly used in electronics circuit design and come in two main types: air gap and monolithic. 1331R-123H is one such example of a monolithic inductor which is commonly used in many application fields. The primary function of this type of inductor is to convert electrical energy into magnetic energy and vice versa. The 1331R-123H fixed inductor is constructed from high quality ceramic core material which offers superior electrical and thermal characteristics. It features a high frequency response and a low EMI (electromagnetic interference) emission. Additionally, the 1331R-123H can operate up to a temperature grade of -40°C to +125°C and has an aspect ratio of 3:1. It also has a voltage rating of 25V. The 1331R-123H is typically used in a variety of applications including power supplies, switching converters, DC/DC converters, power amplifiers, signal conditioning and filtering circuits. For power supplies, the inductor helps to convert current from AC to DC or DC to DC with minimal ripple. It’s also used to produce an inductive field which can be used for signal processing and storage. In switching converters, the 1331R-123H is used to convert direct current into alternating current with minimal power losses. In DC/DC converters, the inductor helps to regulate voltages and reduce the ripple between output and input signals. Power amplifiers and signal conditioning and filtering circuits also make use of the 1331R-123H fixed inductor to control signal intensity and filter out unwanted noise and distortion. The working principle of a fixed inductor such as the 1331R-123H is based on the behavior of current and voltage in an electrical circuit. It works by transforming energy between electrical and magnetic form through near-instantaneous inductance and impedance changes. The inductance and impedance associated with the inductor is determined by the inductor’s self resonance frequency and the number of turns in the coil. In a basic DC electrical circuit, current flowing through an inductor creates a magnetic field which causes the inductor to oppose a change in current. This is what’s known as inductance and it’s a measure of the resistance to a direct current flow. In an AC electrical circuit, the current is constantly alternating and an inductor will oppose the change in the current, while simultaneously storing and releasing energy. The frequency response of a fixed inductor is determined by the core material used in the construction of the inductor and is determined using a formula which takes into account the number of turns in the coil, the inductance of the inductor, and the capacitance of the core material. The frequency response is an important consideration when selecting a suitable fixed inductor for a particular application, as it reflects the range of frequencies it is capable of handling effectively. Overall, the 1331R-123H fixed inductor is a common choice for many applications where reliable performance and accurate results are desired. Its combination of high quality ceramic core material, high frequency response, low EMI emission and temperature rating makes it a great solution for a range of applications. The working principle of the 1331R-123H Inductor is based on the behavior of current and voltage in an electrical circuit, with its impedance and inductance determined by the inductor\'s self-resonance frequency and the number of turns in the coil.

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