ER1840-24KR

RF Inductors – Leaded 3.9uH 10% .4ohm Est Reli ThruHole RF

# Delevan ER1840-24KR – 5.6µH RF Inductor – Iron Core Through-Hole Component

The Delevan ER1840-24KR is a high-performance RF inductor designed for precision filtering and tuning in electronic circuits. This through-hole component offers excellent reliability and stable performance across a wide temperature range, making it ideal for demanding RF applications. PCX ensures fast shipping and dedicated customer support for all orders.

## Key Features
– **Inductance**: 5.6 µH with ±10% tolerance
– **Current Rating**: 645 mA
– **Core Material**: Iron for enhanced magnetic properties
– **DC Resistance**: 280mOhm Max
– **Self-Resonant Frequency**: 50MHz
– **Operating Temperature**: -55°C to 105°C
– **Mounting Type**: Through-Hole
– **Shielding**: Unshielded

## Technical Details
The ER1840-24KR belongs to Delevan’s ER1840 series and features a molded, axial package with dimensions of 0.187″ diameter x 0.437″ length (4.75mm x 11.10mm). It operates at a test frequency of 7.9 MHz with a Q factor of 30. The iron core ensures low losses and high efficiency in RF circuits. This inductor is designed for through-hole mounting, providing secure mechanical stability.

## Applications
– RF filtering and noise suppression
– Tuning and impedance matching circuits
– Power supply and DC-DC converter designs
– Communication equipment and transceivers
– Automotive and industrial electronics

## About the Manufacturer
Delevan is a renowned manufacturer specializing in high-quality inductors, transformers, and RF components. With decades of industry experience, Delevan is known for its innovative designs, rigorous testing standards, and commitment to reliability. Their products are widely used in telecommunications, automotive, and industrial applications, where performance and durability are critical.

Delevan’s expertise in magnetic components ensures that each inductor, including the ER1840 series, meets strict quality and performance criteria. Their focus on research and development has made them a trusted partner for engineers and designers worldwide, providing solutions that enhance circuit efficiency and stability.

## About RF Inductors
RF inductors are passive components used to manage signal integrity, filter noise, and tune frequencies in high-frequency circuits. They play a crucial role in applications such as RF communication, power management, and signal processing, where precise inductance values and low losses are essential for optimal performance.

Selecting the right RF inductor involves considering factors like inductance tolerance, current rating, and self-resonant frequency. Components like the Delevan ER1840-24KR are designed to offer reliability and efficiency, ensuring stable operation in challenging environments. Proper inductor selection can significantly impact the performance and longevity of electronic systems.

## Packaging Options
This product is available in Tape & Reel (TR) packaging for automated assembly processes. PCX provides flexible ordering options to meet your production needs.

## Frequently Asked Questions
**Question:** What is the typical application for this RF inductor?
**Answer:** It is commonly used in RF filtering, tuning circuits, and power supply designs where stable inductance and low DC resistance are required.

**Question:** What is the self-resonant frequency of this inductor?
**Answer:** The self-resonant frequency is 50MHz, which is important for avoiding performance issues in high-frequency applications.

**Question:** Is this inductor shielded or unshielded?
**Answer:** This inductor is unshielded, making it suitable for designs where magnetic field interaction is not a concern.

**Question:** What is the operating temperature range?
**Answer:** It operates from -55°C to 105°C, ensuring reliability in extreme environments.

**Question:** Can this inductor be used in automotive electronics?
**Answer:** Yes, its robust design and wide temperature range make it suitable for automotive applications.

**Question:** Does PCX provide datasheets for this product?
**Answer:** Yes, the datasheet is available on PCXCo.com for detailed specifications and performance graphs.

*Image is representational; please refer to the datasheet for exact dimensions and specifications.*
[View Datasheet](https://www.delevan.com/-/media/Project/Altramotion/shared/files/Literature/brand/Delevan/pdf/rf/thruhole/erseries/erseries.pdf)

Order today for fast delivery and reliable service from PCX!