Question 1

What are the key features of Walsin WR01X49R9FDL?

EZKEY · Accepted Answer

This product belongs to the Thick Film 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 Walsin with full traceability.

Question 2

What are the main application scenarios for WR01X49R9FDL?

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 WR01X49R9FDL work?

EZKEY · Accepted Answer

This device follows established Thick Film 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 WR01X49R9FDL?

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 WR01X49R9FDL?

EZKEY · Accepted Answer

The global Thick Film Resistors - SMD market is growing at ~6-8% CAGR, with particularly strong demand in power management. Walsin WR01X49R9FDL 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 WR01X49R9FDL?

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, Walsin provides full technical support and reference designs.

Application	General Purpose
Brand	Walsin
Category	Thick Film Resistors - SMD
Data Tier	General Description
Description	Thick Film Resistors - SMD 01005 49R9 1% Lead Free
ECCN	EAR99
Halogen Free	Yes
Lead Free	Yes
Manufacturer	Walsin
Packaging	Tape & Reel
Product Type	Electronic Component
REACH	Compliant
RoHS	Compliant
Standard Pack Qty	20000

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WR01X49R9FDL | Walsin Thick Film Resistors - SMD 01005 49R9 1% Lead Free

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

WR01X49R9FDL Application and Selection Guide

WR01X49R9FDL Model and Manufacturer Information

WR01X49R9FDL Product Parameters and Description

WR01X49R9FDL Application and Selection Reference

Recommended Part Numbers for WR01X49R9FDL