0819-70F

DC Resistance (DCR):	16 Ohm Max
Height - Seated (Max):	--
Size / Dimension:	0.078" Dia x 0.200" L (1.98mm x 5.08mm)
Supplier Device Package:	Axial
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	2.5MHz
Operating Temperature:	-55°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	10MHz
Q @ Freq:	45 @ 2.5MHz
Series:	819
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	54.5mA
Tolerance:	±1%
Inductance:	82µH
Material - Core:	Ferrite
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionFixed Inductors are important components in all sorts of electronic equipment, offering a wide range of benefits and applications. The essence of an inductor is to create an electromagnetic field when a current is passed through it. This certain type of inductor, the 0819-70F, offers very specific benefits and applications to further advance any user’s work. This article will discuss the application field and working principle of the 0819-70F inductor. Description of 0819-70FThe 0819-70F is an RF 800MHz chip inductor, measuring 0.6mm by 0.4mm including terminations. It is a dedicated inductor for use in 0.4mm² Pitch Multilayer Ceramic Chip Inductor applications to reduce DCR. It has excellent frequency characteristics for the highest reactance at 800MHz, and temparature stability with a Q factor of 35. It also has allows for shielding designs to improve radiation characteristics. The 0819-70F has a 0R resistance and an inductance of 0.67uH. Application FieldThe 0819-70F inductor is used in switch systems, FM and FM/AM receivers, integration circuits, resonators, and high frequency circuits. Specifically, it is used in communication systems, control systems, computers, power supplies, GPS systems, radio systems, and accelerometer circuits. The 0819-70F is designed to be a high-frequency chip inductor, so its best applications are in high frequency circuits and components. In addition, it is best used with an electromagnetic shield to keep the noise radiation characteristics optimal. The 0819-70F is also designed to have an extremely low resistance to reduce DCR. Working PrincipleThe operating principle of the 0819-70F involves the use of inductance which states that when a current is passed through it, an electromagnetic field is created. This field, in turn, produces a voltage in the inductor. In the case of the 0819-70F, this voltage is generated at a high frequency and is used to implement certain functions, such as matching or shielding. The 0819-70F inductor, thanks to its size and properties, is efficient when used in these applications. In order to achieve its high frequency performance, the inductor has an inductance of 0.67uH and a resistance of 0R. The capacitance of the inductor is two orders of magnitude lower than the inductance which allows it to be used for high frequency applications. The inductor also has a high quality factor or “Q Factor” which ensures that the inductor is able to maintain the desired frequency and reactance over a wide range of temperatures. ConclusionThe 0819-70F fixed inductor offers numerous advantages for its users, such as a high frequency performance, and low resistance and capacitance. These benefits help the 0819-70F achieve its optimal performance for its application field which includes communication systems, control systems, computers, power supplies, GPS systems, radio systems, and accelerometer circuits. Its specific working principle of generating an electromagnetic field when a current is passed through it is also key to its successful operation. The 0819-70F fixed inductor is a specialized component for use in various high frequency circuits, and its application field, as well as working principle, make it a valuable and useful component to users.

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