RWR81SR549FSB12 The Vishay Dale RWR81SR549FSB12 is a 1W wirewound resistor with 549 mOhms resistance and ±1% tolerance. It features an axial package for through-hole mounting.
Mfr Part #:

RWR81SR549FSB12

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale RWR81SR549FSB12 is a 1W wirewound resistor with 549 mOhms resistance and ±1% tolerance. It features an axial package for through-hole mounting.
Total Stock: 50 pcs
$ Price Range: $0.01

RWR81SR549FSB12 Available from 1 distributor

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RWR81SR549FSB12 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Composition
Failure Rate
Features
Lead Spacing
Lead Style
Number of Terminations
Operating Temperature
Power (Watts)
Power Rating
Resistance
Size / Dimension
Supplier Device Package
Temperature Coefficient
Tolerance

RWR81SR549FSB12 Description

Short technical summary and product information.

This Vishay Dale RWR81SR549FSB12 is a wirewound resistor designed for through-hole applications. It offers a resistance value of 549 mOhms with a tight tolerance of ±1% and a power rating of 1W.

 

The resistor operates within a temperature range of -55°C to 250°C and has a temperature coefficient of ±400ppm/°C. Its construction is wirewound, and it is characterized by features such as military and moisture resistance.

 

The component comes in an axial package with dimensions of 0.085" Dia x 0.250" L (2.16mm x 6.35mm). It has 2 terminations and is part of the RWR81S series, designed to meet military specifications.

 

This part is suitable for applications requiring reliable performance under demanding conditions, including those with exposure to moisture or requiring military-grade components.

RWR81SR549FSB12 Quick Information

Product Type: Wirewound Resistor
Series: RWR81S
Canonical Name: Vishay Dale RWR81SR549FSB12 Wirewound Resistor
Subcategory: Through Hole Resistor

RWR81SR549FSB12 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

RWR81SR549FSB12 Estimated Pricing

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1+ $0.01 $0.01

Estimated market price range - modelled values for guidance only, not live distributor offers.

RWR81SR549FSB12 Features

  • Wirewound composition for reliable performance.
  • 1W power rating suitable for various applications.
  • ±1% tolerance ensures precise resistance values.
  • Wide operating temperature range of -55°C to 250°C.
  • Axial package for through-hole mounting.

RWR81SR549FSB12 Applications

  • Ideal for military applications.
  • Suitable for moisture-prone environments.
  • Used in general purpose circuits.
  • Component for demanding applications.

RWR81SR549FSB12 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance value of the RWR81SR549FSB12 resistor?

The resistance value is 549 mOhms.

What is the power rating of this Vishay Dale resistor?

The power rating is 1W.

What is the tolerance of the RWR81SR549FSB12?

The tolerance is ±1%.

What is the operating temperature range for this component?

The operating temperature range is -55°C to 250°C.

What type of package does the RWR81SR549FSB12 use?

It uses an axial package.

What are the key features of the RWR81SR549FSB12 resistor?

Key features include military and moisture resistance.

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