RWR81S2R49FRB12 The Vishay Dale RWR81S2R49FRB12 is a wirewound through-hole resistor. It offers a resistance of 2.49 ohms and a power rating of 1W with a tolerance of 1%.
Mfr Part #:

RWR81S2R49FRB12

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale RWR81S2R49FRB12 is a wirewound through-hole resistor. It offers a resistance of 2.49 ohms and a power rating of 1W with a tolerance of 1%.
Total Stock: 4 pcs
$ Price Range: $0.01

RWR81S2R49FRB12 Available from 1 distributor

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RWR81S2R49FRB12 Specifications Quick View

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

RWR81S2R49FRB12 Description

Short technical summary and product information.

This Vishay Dale RWR81S2R49FRB12 is a wirewound resistor designed for through-hole mounting. It features a resistance value of 2.49 ohms 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 ±50ppm/°C. Its construction is military-grade and moisture-resistant, making it suitable for demanding applications. The axial package measures 0.085 inches in diameter by 0.250 inches in length.

 

Key electrical characteristics include 2 terminations and a failure rate of R (0.01%). The RoHS status is compliant, and the Moisture Sensitivity Level is 1.

RWR81S2R49FRB12 Quick Information

Product Type: Through Hole Resistor
Series: R (0.01%)
Canonical Name: Vishay Dale RWR81S2R49FRB12 Wirewound Resistor
Subcategory: Through Hole Resistor

RWR81S2R49FRB12 Compliance

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

RWR81S2R49FRB12 Estimated Pricing

Qty Low High
1+ $0.01 $0.01

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

RWR81S2R49FRB12 Features

  • Wirewound construction for high power handling.
  • 1W power rating with 1% tolerance.
  • Wide operating temperature range: -55°C to 250°C.
  • Military and moisture-resistant features.
  • Axial package for through-hole mounting.

RWR81S2R49FRB12 Applications

  • Suitable for military applications.
  • Ideal for environments with moisture.
  • Used in power circuits requiring stability.
  • General purpose high-reliability resistor.

RWR81S2R49FRB12 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance value of the RWR81S2R49FRB12 resistor?

The resistance value is 2.49 ohms.

What is the power rating of the RWR81S2R49FRB12 resistor?

The power rating is 1W.

What is the tolerance of the RWR81S2R49FRB12 resistor?

The tolerance is ±1%.

What is the operating temperature range for this resistor?

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

What is the temperature coefficient of the RWR81S2R49FRB12 resistor?

The temperature coefficient is ±50ppm/°C.

What are the key features of the RWR81S2R49FRB12 resistor?

Key features include military and moisture-resistant properties, wirewound composition, and an axial package.

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