74404042151 Inductors, Coils, Chokes

DC Resistance (DCR):	2.853 Ohm
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
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	7.5MHz
Q @ Freq:	--
Series:	WE-LQS
Shielding:	Shielded
Current - Saturation:	450mA
Current Rating:	300mA
Tolerance:	±20%
Inductance:	150µH
Material - Core:	--
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors Overview

Fixed Inductors are components comprised of one or more turns of wire wound around a ferromagnetic core, usually in the form of a coil. The core enhances the inductors’ magnetic field and limits the current flowing through it. This type of inductors is ideal for developing a portion of the circuit’s voltage and current while supplying excellent performance in low-frequency experiments or applications.

74404042151 Application Fields and Working Principles

The 74404042151 indicator consists of three coils arranged around the core, which helps to provide inductance and limited circulating current. It is widely used in DC to DC converters, Flyback converters, SMPS, ISR, Buck converters, and many other power induction applications.The working principle of the 74404042151 is based on Faraday’s law of electromagnetic induction. The inductor works to limit the rate of change of the current direction and magnitude, producing a back EMF called a self-inductance. When used in DC to DC converters or flyback converters, the inductor helps to increase the output voltage from a given input voltage, or reduce the input voltage to the given output voltage. The inductor is also beneficial in buck converters and SMPS (switched-mode power supplies) because it helps to maintain a steady output voltage despite possible sudden changes in the input voltage.Its main characteristic is its inductance value. Inductance is directly related to the number of turns and the geometric configuration of the inductor. In the 74404042151, the three identical coils provide low-density inductance of approximately 10mH, allowing for an efficient operation.The 74404042151 also benefits from low ESR (equivalent series resistance) and low ESL (equivalent series inductance). These characteristics determine how well the inductor attenuates high-frequency noise during operation. As such, the low ESR and ESL of the 74404042151 makes it ideal for use in power applications such as DC to DC converters and power op-amps.Another key feature of the 74404042151 is its wide operating temperature range. It can withstand temperatures between -20°C and +105°C, allowing for continuous operation in various environmental conditions.

Conclusion

The 74404042151 indicator is an ideal component for low-frequency experiments and applications which require high levels of current flow and output voltage. It provides excellent performance due to its low inductance, low ESR, and low ESL values, and its wide operating temperature range. As such, the 74404042151 is an excellent choice for use in DC to DC converters, flyback converters, buck converters, and other similar applications.

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