RWR81S4R87FRS70 The Vishay Dale RWR81S4R87FRS70 is a wirewound through-hole resistor with a 1W power rating and 4.87 Ohm resistance. It offers a tolerance of ±1% and operates within a wide temperature range.
Mfr Part #:

RWR81S4R87FRS70

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale RWR81S4R87FRS70 is a wirewound through-hole resistor with a 1W power rating and 4.87 Ohm resistance. It offers a tolerance of ±1% and operates within a wide temperature range.
Total Stock: 76 pcs
$ Price Range: $0.01

RWR81S4R87FRS70 Available from 1 distributor

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RWR81S4R87FRS70 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
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Temperature Coefficient
Tolerance

RWR81S4R87FRS70 Description

Short technical summary and product information.

This Vishay Dale RWR81S4R87FRS70 is a wirewound through-hole resistor designed for demanding applications. It features a resistance value of 4.87 Ohms with a tight tolerance of ±1% and a power rating of 1W.

 

The resistor operates across a wide temperature range from -55°C to 250°C, with a temperature coefficient of ±50ppm/°C. Its construction is wirewound, and it has two terminations, housed in an axial package measuring 0.085" Dia x 0.250" L (2.16mm x 6.35mm).

 

Key features include military-grade performance and moisture resistance, making it suitable for harsh environments. The component also boasts a failure rate of R (0.01%) and complies with RoHS3 standards.

RWR81S4R87FRS70 Quick Information

Product Type: Through Hole Resistor
Series: R (0.01%)
Canonical Name: Vishay Dale RWR81S4R87FRS70 Wirewound Resistor 1W 1% 4.87 Ohm Axial
Subcategory: Through Hole Resistor

RWR81S4R87FRS70 Compliance

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

RWR81S4R87FRS70 Estimated Pricing

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1+ $0.01 $0.01

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

RWR81S4R87FRS70 Features

  • Wirewound construction for high power.
  • 1W power rating with 4.87 Ohm resistance.
  • ±1% tolerance and ±50ppm/°C tempco.
  • Wide operating temperature range.
  • Military and moisture resistant features.

RWR81S4R87FRS70 Applications

  • Suitable for military applications.
  • Ideal for high-reliability circuits.
  • Used in harsh environmental conditions.
  • General purpose power resistor needs.

RWR81S4R87FRS70 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resistance value of the RWR81S4R87FRS70?

The resistance value is 4.87 Ohms.

What is the power rating of this resistor?

The power rating is 1W.

What is the tolerance of the RWR81S4R87FRS70 resistor?

The tolerance is ±1%.

What is the operating temperature range for this component?

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

What is the temperature coefficient?

The temperature coefficient is ±50ppm/°C.

What type of construction does the RWR81S4R87FRS70 have?

It has a wirewound construction.

What are the key features of this resistor?

Key features include Military, Moisture Resistant.

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