ER1840-18JR Allicdata Electronics
Allicdata Part #:

ER1840-18JR-ND

Manufacturer Part#:

ER1840-18JR

Price: $ 6.85
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 3.3UH 945MA 140 MOHM
More Detail: 3.3µH Unshielded Molded Inductor 945mA 140 mOhm Ma...
DataSheet: ER1840-18JR datasheetER1840-18JR Datasheet/PDF
Quantity: 1000
2500 +: $ 6.17030
Stock 1000Can Ship Immediately
$ 6.85
Specifications
DC Resistance (DCR): 140 mOhm Max
Height - Seated (Max): --
Size / Dimension: 0.187" Dia x 0.437" L (4.75mm x 11.10mm)
Supplier Device Package: --
Package / Case: Axial
Mounting Type: Through Hole
Inductance Frequency - Test: 7.9MHz
Operating Temperature: -55°C ~ 105°C
Ratings: --
Frequency - Self Resonant: 70MHz
Q @ Freq: 30 @ 7.9MHz
Series: ER1840
Shielding: Unshielded
Current - Saturation: --
Current Rating: 945mA
Tolerance: ±5%
Inductance: 3.3µH
Material - Core: Iron
Type: Molded
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Fixed inductors are one of the most common components used in a variety of electronic circuits. They are usually composed of a body and terminals, a coil or spiral wound over it, and a number of other components such as capacitors and resistors. ER1840-18JR is a nickel-zinc ferrite core bead inductor intended for RFID applications. It is a small component in size but plays a big role in powering and protecting electronic components.

The ER1840-18JR was designed specifically with RFID applications in mind, and is especially suited for use in higher frequency, low-power RFID systems. It is designed to have a low resistance value as well as very little inductance variation over a wide current and temperature ranges. The operating temperature range is -40°C to 125°C, with a storage temperature range of -55°C to 125°C, making it suitable for a wide range of temperatures.

The ER1840-18JR has a maximum rated current of 10mA, with a maximum DC resistance of 75mΩ. It is rated to withstand a maximum voltage of 75V AC. The ER1840-18JR can be used in a variety of applications, such as power supply filtering, electronic equipment for RFID, and voltage regulator circuits.

The main working principle of the ER1840-18JR is the self-resonance effect, which is usually considered as the core of an inductor. By combining the two looped windings and the ferrite core, the inductor creates a magnetic field due to the current flowing through it. This causes a self-resonance effect which allows the inductor to convert electric energy into a magnetic field. This magnetic field then affects other components in the circuit, allowing the inductor to regulate the voltage of the circuit and thus protect its components from high voltage surges.

The ER1840-18JR is a great choice for various electronics projects due to its compact size and versatility. Its high inductance stability, low resistance value, and wide operating temperature range make it an ideal solution for many applications.

The ER1840-18JR is a high quality component which is perfect for RFID applications due to its low resistance and high inductance stability. It is also suitable for a variety of other applications such as power supply filtering, electronic equipment for RFID, and voltage regulator circuits. Its self-resonance effect also makes it a great choice for protecting components from high voltage surges. With its versatility and high quality, the ER1840-18JR is an ideal component for many types of projects.

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

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