4494R-185

DC Resistance (DCR):	700 mOhm
Height - Seated (Max):	0.235" (5.97mm)
Size / Dimension:	0.465" L x 0.405" W (11.81mm x 10.29mm)
Supplier Device Package:	--
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Inductance Frequency - Test:	250kHz
Operating Temperature:	-20°C ~ 80°C
Ratings:	--
Frequency - Self Resonant:	1.3MHz
Q @ Freq:	100 @ 250kHz
Series:	4494R
Shielding:	Unshielded
Current - Saturation:	22mA
Current Rating:	420mA
Tolerance:	±25%
Inductance:	1.8mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed inductors are electric components which store electric energy in an electric field when an electric current passes through them. 4494R-185 is such an inductor, characterized by its low profile with 12 mm maximum height, fast-response performance and high insulation resistance. This type of inductor is used across a wide range of applications such as power electronics, DC/DC converters and switch-mode power supplies (SMPS).The 4494R-185 operates within the frequency range of 0.3MHz to 1MHz. The inductance of this unit ranges from 1.2µH to 1200µH with low DCR and high permeability. Its inductance accuracy is + / -10%, and it has a maximum self-resonant frequency of 9.1MHz. As the 4494R-185 has a low profile and a height of only 12 mm, it is ideal where space is at a premium.The most common application for the 4494R-185 is in switch-mode power supplies (SMPS) which require the inductor to maintain the current level desirable for an efficient power transfer. This type of power supply is commonly used in desktop computers and other electronic devices. The inductor, with its low profile and high automatic on/off switching, is perfectly suited for this situation.The 4494R-185 works by converting electrical currents from AC to DC power. The electrical energy is stored within the inductor’s electromagnetic field and, as the current is switched off, the energy is then discharged and transferred into the relevant electrical load it is intended for. As the 4494R-185 is designed with a low profile and fast-response performance, it is ideally suited for use in SMPS and other power applications. The 4494R-185 is a fixed inductor and its design structure, with core and windings, optimizes the performance of the unit. It also features overvoltage and overload protection, further improving the reliability of the unit and increasing the safety of the system it is used in.The 4494R-185 has a wide variety of applications such as power electronics, DC/DC converters, audio systems and power supplies. It is also used in lighting and automotive applications and is ideal for use in a range of low-profile power solutions. Its wide frequency range, low profile and high insulation resistance make it an ideal choice for use in a variety of power applications.In conclusion, the 4494R-185 is a low-profile fixed inductor with excellent thermal, electrical and mechanical characteristics. Its fast-response performance and high insulation resistance allows efficient power transfer and provides reliable performance and safety for a range of power applications. With its low profile and wide range of applications, the 4494R-185 is one of the most versatile and reliable inductors on the market.

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