Question 1

What are the key features of Panasonic Electronic Components ELJ-FA221KF?

EZKEY · Accepted Answer

This product belongs to the RF Inductors - SMD category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Panasonic Electronic Components with full traceability.

Question 2

What are the main application scenarios for ELJ-FA221KF?

EZKEY · Accepted Answer

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

Question 3

How does ELJ-FA221KF work?

EZKEY · Accepted Answer

This device follows established RF Inductors - SMD design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

Question 4

What is the technical performance of ELJ-FA221KF?

EZKEY · Accepted Answer

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

Question 5

What is the current market demand for ELJ-FA221KF?

EZKEY · Accepted Answer

The global RF Inductors - SMD market is growing at ~6-8% CAGR, with particularly strong demand in power management. Panasonic Electronic Components ELJ-FA221KF is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

Question 6

What are the technical characteristics of ELJ-FA221KF?

EZKEY · Accepted Answer

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Panasonic Electronic Components provides full technical support and reference designs.

Applications	General Purpose
Brand	Panasonic
Category	RF Inductors - SMD
Data Tier	Family Level
Description	RF Inductors - SMD 1210 220uH 10% 45 mA 21ohm Wirewound
Features	General Purpose
Lead Free	Yes
Manufacturer	Panasonic Industry
Mounting Type	Surface Mount
Operating Temperature	-55 to +125 C
Package / Case	SMD / Through Hole
Packaging	Reel
Product Type	Passive Component
RoHS	Compliant
Standard Pack Qty	2000

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ELJ-FA221KF | Panasonic Electronic Components RF Inductors - SMD 1210 220uH 10% 45 mA 21ohm Wirewound

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

ELJ-FA221KF Application and Selection Guide

ELJ-FA221KF Model and Manufacturer Information

ELJ-FA221KF Product Parameters and Description

ELJ-FA221KF Application and Selection Reference

Recommended Part Numbers for ELJ-FA221KF