RWR81S4990FRS70 The Vishay Dale RWR81S4990FRS70 is a wirewound through-hole resistor. It offers 499 ohms of resistance with a 1W power rating and a 1% tolerance.
Mfr Part #:

RWR81S4990FRS70

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale RWR81S4990FRS70 is a wirewound through-hole resistor. It offers 499 ohms of resistance with a 1W power rating and a 1% tolerance.
✓ Total Stock: 1,200 pcs
$ Price Range: $0.01

RWR81S4990FRS70 Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,200 pcs
1200 pcs On Request 1 On Request On Request On Request On Request On Request

RWR81S4990FRS70 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

RWR81S4990FRS70 Description

Short technical summary and product information.

This Vishay Dale RWR81S4990FRS70 is a wirewound through-hole resistor designed for demanding applications. It features a resistance value of 499 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 has a temperature coefficient of ±20ppm/°C. Its construction is axial, with dimensions of 0.085" Dia x 0.250" L (2.16mm x 6.35mm).

 

Key features include its military compliance and moisture resistance, making it suitable for harsh environments. The component has 2 terminations and a failure rate of R (0.01%).

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

RWR81S4990FRS70 Quick Information

Product Type: Through Hole Resistor
Series: R (0.01%)
Canonical Name: Vishay Dale RWR81S4990FRS70 Wirewound Resistor
Subcategory: Through Hole Resistor

RWR81S4990FRS70 Compliance

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

RWR81S4990FRS70 Estimated Pricing

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1+ $0.01 $0.01

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

RWR81S4990FRS70 Features

  • Wirewound construction for high power handling.
  • 1W power rating with 499 ohm resistance.
  • ±1% tolerance for precise circuit performance.
  • Wide operating temperature range: -55°C to 250°C.
  • Military and moisture resistant features.

RWR81S4990FRS70 Applications

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

RWR81S4990FRS70 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance of the RWR81S4990FRS70 resistor?

The resistance is 499 Ohms.

What is the power rating of this Vishay Dale resistor?

The power rating is 1W.

What is the tolerance of the RWR81S4990FRS70?

The tolerance is ±1%.

What is the operating temperature range for this component?

It operates from -55°C to 250°C.

What is the temperature coefficient?

The temperature coefficient is ±20ppm/°C.

What type of package does the RWR81S4990FRS70 use?

It uses an axial package.

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