1235AS-H-220M=P3 Inductors, Coils, Chokes

DC Resistance (DCR):	306 mOhm Max
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.185" L x 0.177" W (4.70mm x 4.50mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	--
Shielding:	Shielded
Current - Saturation:	910mA
Current Rating:	1A
Tolerance:	±20%
Inductance:	22µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Fixed inductors have been used in a variety of electronics applications throughout history. They play a vital role in helping to shape the current and voltage in circuits, providing a stable electrical environment for the circuitry to work. The 1235AS-H-220M=P3 in particular is a valuable addition to the electronics landscape, as it offers a wide range of electrical characteristics and versatility.

Background Information

The 1235AS-H-220M=P3 is an air-core fixed inductor that has a resistance of 220 milli-ohms and a maximum current rating of 10A. The inductor’s value is 1235AS-H-220M=P3, implying a set inductance of 1235 henries. It is designed for automated surface mount assembly and is made of an epoxy material for insulation. The 1235AS-H-220M=P3 features a low profile design that is just 0.187 inches high and 0.37 inches long. It also has two leads with a spacing of 0.25 inches between them, making it ideal for a variety of tight-fitting applications.

Application Field

The 1235AS-H-220M=P3 is primarily used in power-domain devices, such as power controllers and regulators, and its high frequency operation makes it a perfect fit for switching power supplies. It is also commonly found in inverters and read/write heads in hard drives and other magnetic memory devices. Additionally, its low-inductance properties make it ideal for use in suppressing high voltages at the circuits of high-precision analog electronics and for vibration dampening of resonant frequencies in electronic assemblies.

Working Principle

Fixed inductors like the 1235AS-H-220M=P3 work by storing electrical energy in a magnetic field and releasing it when current is sensed in the circuit. This creates a stabilization effect that prevents voltage and current fluctuation in the circuit. The inductance of the 1235AS-H-220M=P3 also helps to limit the amount of current that can flow, preventing damage to sensitive components in a circuit.The 1235AS-H-220M=P3 has two leads, and when current is applied to one of the leads, a magnetic field is created around it. This field increases in strength as the current increases, which causes the inductor to resist the current rise and helps to keep the current stable. When the current drops, the inductor will also resist the drop in current, creating what is known as an inductance characteristic.

Conclusion

The 1235AS-H-220M=P3 is a versatile air core fixed inductor that is used in a wide range of electronic applications. Its properties make it ideal for use in power-domain devices, such as power controllers and regulators, and it is also commonly used in vibration dampening and suppression of high voltage in precision analog electronics. It works by creating a magnetic field when current is applied, which helps to stabilize the current and voltage in the circuit and prevent fluctuations.

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