DC Resistance (DCR):	720 mOhm Max
Height - Seated (Max):	0.146" (3.70mm)
Size / Dimension:	0.287" L x 0.287" W (7.30mm x 7.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	SRR0735A
Shielding:	Shielded
Current - Saturation:	550mA
Current Rating:	530mA
Tolerance:	±20%
Inductance:	120µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

SRR0735A-121M is a type of fixed inductor, commonly referred to as an inductance coil. It is used in a wide variety of applications in electronics, from power supplies and motor controllers to audio amplifiers and radio frequency (RF) circuits. This article will discuss the application fields and working principles of SRR0735A-121M.

Application Field of SRR0735A-121M

SRR0735A-121M is a type of radial inductor with rated current of 121 mA, inductance value of 3.54 μH and low DCR of 0.53 Ω. As its rated current and inductance value are relatively high, SRR0735A-121M can be used in various applications requiring high current and/or inductance to achieve greater efficiency and performance. SRR0735A-121M can be found in many electronic products as it offers many benefits and features. The high power rating of SRR0735A-121M makes it ideal for applications requiring higher current, such as in power supplies and motor controllers. Additionally, its high inductance value makes it well suited for audio amplifiers and RF circuits, where its low DCR ensures low-loss signal transmission.

Working Principle of SRR0735A-121M

The working principle of SRR0735A-121M is based on the concept of electrical inductance. Inductance is the property of a conducting material that causes it to resist any changes in the current that passes through it. When current passes through an inductor, a magnetic field is created around it that induces a voltage in the coil. The voltage induced by this magnetic field opposes the applied voltage, causing the current to decrease. This is known as inductive reactance and is determined by the size and shape of the inductor, as well as the frequency of the voltage. When an AC voltage is applied to the SRR0735A-121M, a small amount of current is initially drawn. As the AC voltage rises, the current passing through the inductor also starts to rise. As the current reaches its maximum, the magnetic field around the inductor reaches its maximum strength and the current starts to decrease. As the AC voltage falls, the current passing through the inductor also decreases and the magnetic field around the inductor collapses. The SRR0735A-121M is designed to be used in applications where the current is required to remain relatively constant within a specific frequency range. The inductor\'s high power rating and low DCR maintain the current at the desired level, as the inductor is able to adjust itself based on the frequency of the AC voltage.

Conclusion

SRR0735A-121M is a type of fixed inductor with a high power rating and low DCR. It can be used in a variety of applications, such as power supplies and motor controllers, audio amplifiers and RF circuits. Its working principle is based on the concept of electrical inductance, wherein a small amount of current is initially drawn from the SRR0735A-121M and as the AC voltage passes through the inductor, the current is adjusted based on the frequency of the AC voltage.

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