ER1840-24KR

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

Product Overview

The ER1840-24KR from Delevan is a high-performance through-hole RF inductor designed for demanding electronic applications requiring stable inductance and excellent reliability. This 5.6µH molded inductor features iron core construction and operates across a wide temperature range, making it ideal for precision RF circuits. PCX ensures fast shipping and dedicated customer support for all orders.

Key Features

• Inductance: 5.6µH ±10% tolerance
• Current Rating: 645mA
• DC Resistance: 280mOhm Max
• Core Material: Iron for enhanced magnetic properties
• Shielding: Unshielded design
• Operating Temperature: -55°C to 105°C
• Mounting Type: Through-hole for secure PCB integration

Technical Details

The ER1840-24KR belongs to Delevan’s ER1840 series, featuring a molded axial package measuring 0.187″ diameter x 0.437″ length (4.75mm x 11.10mm). It operates with a self-resonant frequency of 50MHz and is tested at 7.9MHz with a Q factor of 30. The through-hole mounting ensures robust mechanical stability in various environments.

Applications

• RF communication systems
• Power supply filtering circuits
• Signal processing equipment
• Telecommunications infrastructure
• Test and measurement instruments

About Delevan

Delevan is a renowned manufacturer specializing in high-quality magnetic components, including inductors, transformers, and chokes. With decades of industry experience, Delevan is recognized for its innovative designs and rigorous quality control processes, making their components trusted choices in aerospace, defense, and telecommunications sectors.

The company’s commitment to reliability and performance is evident in products like the ER1840 series, which meet stringent military and industrial standards. Delevan’s expertise in RF and power applications ensures that their components deliver consistent performance even in challenging environments.

About RF Inductors

RF inductors are passive components used to manage signal integrity, filter noise, and tune frequencies in high-frequency circuits. They are critical in applications requiring precise impedance matching and energy storage, such as RF transceivers, oscillators, and antenna systems. Proper selection of inductance, current rating, and Q factor is essential for optimal circuit performance.

Through-hole RF inductors, like the ER1840-24KR, offer mechanical durability and ease of soldering, making them suitable for prototypes and high-reliability systems. Their robust construction ensures stability under thermal and mechanical stress, which is vital for long-term operation in industrial and commercial devices.

Packaging Options

This product is available in Tape & Reel (TR) packaging for automated assembly processes. PCX provides flexible quantity options to meet both prototyping and production needs.

Frequently Asked Questions

Question: What is the typical application for this RF inductor?

Answer: It is commonly used in RF filtering, impedance matching, and noise suppression circuits in communication devices.

Question: Is this inductor suitable for high-temperature environments?

Answer: Yes, it operates reliably from -55°C to 105°C, making it ideal for industrial and automotive applications.

Question: Does PCX provide datasheets for this component?

Answer: Yes, the datasheet is available on PCXCo.com for detailed specifications and performance curves.

Question: Can I use this inductor in power supply designs?

Answer: While primarily designed for RF applications, it can be used in low-power DC-DC converters or filtering stages.

Question: Is the inductor shielded or unshielded?

Answer: This model is unshielded, which may require layout considerations to minimize EMI in sensitive circuits.

Question: What is the Q factor, and why is it important?

Answer: The Q factor of 30 at 7.9MHz indicates low energy loss, which is crucial for maintaining efficiency in resonant circuits.

Ordering Information

For detailed specifications, refer to the datasheet. Product image is representational; actual product may vary.

Order today for fast delivery and reliable support from PCX!