Question 1

What are the key features of Vishay Dale RWR89S4R99FR?

EZKEY · Accepted Answer

This product belongs to the General Purpose 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 RWR89S4R99FR?

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 RWR89S4R99FR work?

EZKEY · Accepted Answer

This device follows established General Purpose 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 RWR89S4R99FR?

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 RWR89S4R99FR?

EZKEY · Accepted Answer

The global General Purpose market is growing at ~6-8% CAGR, with particularly strong demand in power management. Vishay Dale RWR89S4R99FR 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 RWR89S4R99FR?

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
Data Tier	General Description
Lead Free	Yes
Mounting Type	Surface Mount
Operating Temperature	-55 to +150 C
Packaging	Tape & Reel
Product Type	Electronic Component
RoHS	Compliant
Series	Vishay

Recommended Part	Brand	Description
IHLP4040DZER6R8M51	Vishay Dale	FIXED IND 6.8UH 8A 22.36 MOHM
HAX223SBADJ0KR	Vishay Dale
IFSC2020DZER2R7N01	Vishay Dale	Power Inductors - SMD 2.7UH 4.1A 29 MOHM SMD

RWR89S4R99FR | Vishay Dale Res Wirewound 4.99 Ohm 1% 3W ±50ppm/°C 0.01% Silicone AXL T/R

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

RWR89S4R99FR Application and Selection Guide

RWR89S4R99FR Model and Manufacturer Information

RWR89S4R99FR Product Parameters and Description

RWR89S4R99FR Application and Selection Reference

Recommended Part Numbers for RWR89S4R99FR