Question 1

What are the key features of Vishay Dale RCWE0805R390FKEA?

EZKEY · Accepted Answer

This product belongs to the Current Sense Resistors - 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 Vishay Dale with full traceability.

Question 2

What are the main application scenarios for RCWE0805R390FKEA?

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 RCWE0805R390FKEA work?

EZKEY · Accepted Answer

This device follows established Current Sense Resistors - 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 RCWE0805R390FKEA?

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 RCWE0805R390FKEA?

EZKEY · Accepted Answer

The global Current Sense Resistors - SMD market is growing at ~6-8% CAGR, with particularly strong demand in power management. Vishay Dale RCWE0805R390FKEA 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 RCWE0805R390FKEA?

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, Vishay Dale provides full technical support and reference designs.

Application	General Purpose
Brand	Vishay Dale
Category	Current Sense Resistors - SMD
Data Tier	Family Level
Description	Current Sense Resistors - SMD 1/4watt .39ohms 1% 100ppm
Lead Free	Yes
Manufacturer	Vishay / Dale
Mounting Type	Surface Mount
Operating Temperature	-55 to +155 C
Packaging	Reel
Product Type	Resistor
RoHS	Compliant
Series	RCWE
Standard Pack Qty	5000

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RCWE0805R390FKEA | Vishay Dale Current Sense Resistors - SMD 1/4watt .39ohms 1% 100ppm

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

RCWE0805R390FKEA Application and Selection Guide

RCWE0805R390FKEA Model and Manufacturer Information

RCWE0805R390FKEA Product Parameters and Description

RCWE0805R390FKEA Application and Selection Reference

Recommended Part Numbers for RCWE0805R390FKEA