RWR81S2R49FSB12 The Vishay Dale RWR81S2R49FSB12 is a wirewound resistor with a resistance of 2.49 Ohms and a power rating of 1W. It features a 1% tolerance and an axial package.
Mfr Part #:

RWR81S2R49FSB12

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale RWR81S2R49FSB12 is a wirewound resistor with a resistance of 2.49 Ohms and a power rating of 1W. It features a 1% tolerance and an axial package.
Total Stock: 4 pcs
$ Price Range: $0.01

RWR81S2R49FSB12 Available from 1 distributor

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RWR81S2R49FSB12 Specifications Quick View

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

RWR81S2R49FSB12 Description

Short technical summary and product information.

This Vishay Dale RWR81S2R49FSB12 is a wirewound resistor designed for through-hole mounting. It offers a precise resistance value of 2.49 Ohms with a tight tolerance of ±1% and a power rating of 1W. The resistor operates within a wide temperature range of -55°C to 250°C and features a ±50ppm/°C temperature coefficient.

 

Built to military specifications, including MIL-PRF-39007, this component is also moisture resistant. Its axial package and wirewound construction make it suitable for various electronic applications requiring reliable performance under demanding conditions. The failure rate is specified as S (0.001%).

 

Key electrical characteristics include 2 terminations and a size of 0.085" Dia x 0.250" L (2.16mm x 6.35mm). The RoHS status is listed as RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited.

RWR81S2R49FSB12 Quick Information

Product Type: Wirewound Resistor
Series: Military, MIL-PRF-39007, RWR81S
Canonical Name: Vishay Dale RWR81S2R49FSB12 Wirewound Resistor
Subcategory: Through Hole Resistor

RWR81S2R49FSB12 Compliance

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

RWR81S2R49FSB12 Estimated Pricing

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1+ $0.01 $0.01

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

RWR81S2R49FSB12 Features

  • Wirewound resistor with 2.49 Ohms resistance.
  • Rated for 1W power with 1% tolerance.
  • Operates from -55°C to 250°C.
  • Features military and moisture resistant specs.
  • Axial package for through-hole mounting.

RWR81S2R49FSB12 Applications

  • Suitable for military electronic systems.
  • Ideal for high-reliability applications.
  • Used in demanding environmental conditions.
  • Component for general purpose circuits.

RWR81S2R49FSB12 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance value of the RWR81S2R49FSB12 resistor?

The resistance value is 2.49 Ohms.

What is the power rating of this Vishay Dale resistor?

The power rating is 1W.

What is the tolerance of the RWR81S2R49FSB12?

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 RWR81S2R49FSB12 use?

It uses an axial package.

What is the temperature coefficient of this resistor?

The temperature coefficient is ±50ppm/°C.

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