SRU1048-1R5Y Inductors, Coils, Chokes

DC Resistance (DCR):	4.3 mOhm
Height - Seated (Max):	0.201" (5.10mm)
Size / Dimension:	0.394" L x 0.394" W (10.00mm x 10.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	70MHz
Q @ Freq:	14 @ 7.96MHz
Series:	SRU1048
Shielding:	Shielded
Current - Saturation:	7.2A
Current Rating:	7A
Tolerance:	±30%
Inductance:	1.5µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Fixed Inductors

An inductor, also known as a coil, choke, or reactor, is a passive two-terminal electrical component used in electrical and electronic circuits to store energy in the form of electromagnetic field. The inductor consists of a conductor, usually a wire wound in a coil, often around a ferromagnetic core to form an electromagnet for increased effectiveness. Fixed inductors are a type of inductors that are designed with a specific inductance and dc current rating. They are generally used for power filtering, electromagnetic interference (EMI) suppression, and high-frequency signal and pulse correlation.

SRU1048-1R5Y Application Field and Working Principle

The SRU1048-1R5Y is a fixed, axial leaded, surface mount inductor designed for general purpose use. It features 1.5 millihenry ± 10 % inductance, a maximum current rating of 1.25 A and an inductance temperature coefficient of -40 to +100 ppm / °C.This device is designed for low-value inductance, high current, and high frequency applications for power supplies, PWM (Pulse Width Modulation) controllers, and higher frequency switching regulators. It is also suitable for use in switching power supplies, resistance-capacitance (RC) and LC filtering, and impulse transformers.The SRU1048-1R5Y is an inductor that works by passing electric current through a wire wound in a coil, creating a magnetic field that stores energy and opposes any changes in the current. This resistance to current change causes the energy to be stored temporarily in the inductor\'s magnetic field, allowing the current to stay constant for a short period of time. This makes the inductor an ideal component for filtering or regulating current in many electrical and electronic applications.

Advantages

The SRU1048-1R5Y offers many advantages over other types of fixed inductors. It has a low DCR (DC Resistance) and high thermal performance with its anti-corrosive/anti-moisture design. This device is also lightweight and features a compact form factor for easy integration into PCBs (Printed Circuit Boards).The SRU1048-1R5Y can also operate at high frequencies up to 2GHz without significant loss in inductance or current rating. In addition, the device has a wide temperature range allowing for its use in both commercial and industrial applications.

Conclusion

The SRU1048-1R5Y is an ideal fixed inductor for a variety of applications such as power supplies, PWM controllers, and high-frequency switching regulators. It has a low DCR, high thermal performance, and a wide temperature range. It can also operate at high frequencies up to 2GHz. Its compact form factor, along with its anti-corrosive/anti-moisture design, make it a great choice for power filter, EMI suppression, and current regulation applications.

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