1812R-394G Allicdata Electronics
Allicdata Part #:

1812R-394G-ND

Manufacturer Part#:

1812R-394G

Price: $ 1.41
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 390UH 100MA 20 OHM SMD
More Detail: 390µH Unshielded Inductor 100mA 20 Ohm Max 2-SMD
DataSheet: 1812R-394G datasheet1812R-394G Datasheet/PDF
Quantity: 1000
650 +: $ 1.28016
Stock 1000Can Ship Immediately
$ 1.41
Specifications
Series: 1812R
Packaging: Tape & Reel (TR) 
Part Status: Active
Type: --
Material - Core: Ferrite
Inductance: 390µH
Tolerance: ±2%
Current Rating: 100mA
Current - Saturation: --
Shielding: Unshielded
DC Resistance (DCR): 20 Ohm Max
Q @ Freq: 40 @ 790kHz
Frequency - Self Resonant: 3MHz
Ratings: --
Operating Temperature: -55°C ~ 125°C
Inductance Frequency - Test: 790kHz
Mounting Type: Surface Mount
Package / Case: 2-SMD
Supplier Device Package: --
Size / Dimension: 0.126" L x 0.126" W (3.20mm x 3.20mm)
Height - Seated (Max): 0.190" (4.83mm)
Description

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Fixed Inductors

Fixed Inductors, also known as chokes, are a class of devices that are used to pass electric current through circuits while inhibiting the flow of alternating current. Generally, they are composed of a coil of wire that is wound around a central core. The size of the core and the number of turns in the coil are important factors in the operation of the device. The 1812R-394G is one example of a type of fixed inductor that is often used in the fields of electronics manufacturing, computer networks, and telecommunications. This particular type of inductor is designed to be used as a part of a high-frequency radio-frequency (RF) circuit. It has a relatively low distributed capacitance which makes it suitable for use in applications where hundreds of MHz of operating frequency is needed. In terms of its construction, the 1812R-394G is a fixed, air core, shielded, cylindrical inductor that has a total of 394 turns of wire wound around the inner core. The number of turns and the material of the core will determine the inductance of the unit. The shielding reduces the capacitance that is generated between turns, increasing the efficiency of the device.To understand the working principle of the 1812R-394G, it helps to know how inductors work in general. When an alternating current (AC) flow passes through the inductor, the magnetic field generated by the current induces a voltage across the ends of the coil, which is why inductors are also known as “transformers”. This voltage generated in the inductor acts as a spool, preventing any changes in current from occurring in a circuit in which it is used. In practical applications, the 1812R-394G can be used for a number of purposes. For example, it can be used as part of an impedance matching device in a commercial audio or video system. It can also be used in the filtering of high frequency signals in a computer circuit or a telecommunications system. Another common use for the 1812R-394G is in the construction of signal-conditioning circuits in industrial, medical, and automotive products. In terms of safety, the 1812R-394G is designed to meet the same safety standards as other inductors, and is usually enclosed in a protective enclosure to reduce the risks of accidental shock or contact. In addition, it is important to ensure that, when using the device in an electrical system, all circuits containing the device are properly grounded. Overall, the 1812R-394G is an important type of fixed inductor that has a wide variety of uses in the modern world. It is a robust and reliable device that uses a relatively simple design. Its low distributed capacitance makes it particularly suitable for use in applications that require hundreds of MHz of operating frequency, such as audio and video systems, computer circuits, and high frequency signal filtering. With proper installation and maintenance, the 1812R-394G can provide years of efficient, reliable performance in any application.

The specific data is subject to PDF, and the above content is for reference

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