ER1840-27JR Allicdata Electronics
Allicdata Part #:

ER1840-27JR-ND

Manufacturer Part#:

ER1840-27JR

Price: $ 6.85
Product Category:

Inductors, Coils, Chokes

Manufacturer: API Delevan Inc.
Short Description: FIXED IND 7.5UH 520MA 440 MOHM
More Detail: 7.5µH Unshielded Molded Inductor 520mA 440 mOhm Ma...
DataSheet: ER1840-27JR datasheetER1840-27JR Datasheet/PDF
Quantity: 1000
2500 +: $ 6.17030
Stock 1000Can Ship Immediately
$ 6.85
Specifications
DC Resistance (DCR): 440 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: 48MHz
Q @ Freq: 30 @ 7.9MHz
Series: ER1840
Shielding: Unshielded
Current - Saturation: --
Current Rating: 520mA
Tolerance: ±5%
Inductance: 7.5µH
Material - Core: Iron
Type: Molded
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Fixed inductors are components typically found in electronic circuits and are designed to produce a needed inductance value. They are commonly used in air conditioners, automobiles, power supplies, computers, and other electric components. The typical application and working principle of ER1840-27JR fixed inductors is described below.

Characteristics of ER1840-27JR Fixed Inductors

The ER1840-27JR fixed inductor is a cylindrical component with radial leads. It measures 18x40 mm and has a maximum height of 27mm. It has a maximum rated operating temperature of 125°C and a dielectric strength of 2,000VAC. It is rated for a 400mA continuous current at 120Hz or higher frequency and 6000mA intermittent current at the same frequency. The inductance range for this fixed inductor is 40nH to 400nH with 1% tolerance. The impedance tolerance is 10%.

Application of ER1840-27JR Fixed Inductors

ER1840-27JR fixed inductors are mainly used in high current applications such as motor drives, uninterruptible power supplies, AC-DC converters, and automotive applications. They are also suitable for audio crossover applications, computing, switching power supplies, battery charging, and telecommunication. They are an ideal choice for high-frequency circuits due to their low inductance value and high current handling capability.

Working Principle of ER1840-27JR Fixed Inductors

Fixed inductors use Faraday’s law of induction to generate a magnetic field when current passes through them. This magnetic field induces a voltage in the inductor. The voltage is proportional to the rate of change of current. The inductance of a fixed inductor is fixed and depends on its size, shape, and the material it\'s made from. The ER1840-27JR fixed inductor is made from ferromagnetic material which makes it suitable for high frequency applications. It has a low inductance value and can handle high currents, making it ideal for use in motor drives and switching power applications.

Advantages and Disadvantages of ER1840-27JR Fixed Inductors

The ER1840-27JR fixed inductor has several advantages. It has a low profile, so it can be used in a variety of applications. Its high current handling capability makes it suitable for high-power applications. It also has excellent thermal performance, allowing it to operate at high frequencies without overheating. The component is also cost-effective and readily available. The disadvantages of this fixed inductor include its limited frequency range and limited rated temperature range.

Conclusion

The ER1840-27JR fixed inductor is a cylindrical component with radial leads designed for high-current applications at high frequencies. It has a low inductance value and can handle high currents, making it an ideal choice for motor drives, uninterruptible power supplies, and AC-DC converters. Its low profile, excellent thermal performance, and cost-effectiveness make it an attractive choice for many applications. The only drawback is that it does not have an infinite frequency range or temperature range.

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

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