<h2>Overview</h2>
<p>The <strong>CAL-R RER70FR499R</strong> is a high-performance wirewound power resistor designed for demanding electrical and industrial applications. With a 20W power rating and ±1% tolerance, this fixed resistor delivers precise, stable performance in thermal management, load dissipation, and precision circuit applications. The unit quantity of 4 provides multiple resistors for equipment builds, replacements, or inventory management.</p>
<h2>Key Features</h2>
<ul>
<li>20W power rating for high-current dissipation applications</li>
<li>±1% tolerance ensures precision and tight circuit specifications</li>
<li>Wirewound construction with ceramic or vitreous enamel coating</li>
<li>Axial lead terminals for standard PCB and chassis mounting</li>
<li>Industrial-grade reliability and temperature stability</li>
<li>Sold as a lot of 4 units</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Manufacturer:</strong> CAL-R (Calsod)</li>
<li><strong>Part Number:</strong> RER70FR499R</li>
<li><strong>Power Rating:</strong> 20W</li>
<li><strong>Tolerance:</strong> ±1%</li>
<li><strong>Technology:</strong> Wirewound</li>
<li><strong>Terminal Type:</strong> Axial leads</li>
<li><strong>Quantity Per Lot:</strong> 4 units</li>
<li><strong>Series:</strong> RER70</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>Power supply and voltage regulation circuits</li>
<li>Current limiting and load balancing</li>
<li>Test and measurement equipment</li>
<li>Thermal dissipation and braking circuits</li>
<li>Industrial control and automation systems</li>
<li>Amplifier bias and stability networks</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Standard PCB and breadboard layouts with 0.1″ pitch</li>
<li>Chassis-mount applications with axial lead sockets</li>
<li>Industrial control equipment and power electronics</li>
<li>Test equipment and bench power supplies</li>
<li>Precision analog and mixed-signal circuits</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<p>The CAL-R RER70FR499R is a direct replacement for equivalent 20W ±1% wirewound resistors from compatible manufacturers in the same package. Verify compatibility with your system integrator or equipment schematic before ordering to ensure correct resistance value and power rating match.</p>
<h3>Works With</h3>
<ul>
<li>Wirewound resistor socket assemblies and heat sinks</li>
<li>Standard PCB soldering (lead-free and RoHS compatible processes)</li>
<li>Thermal management compounds and mounting hardware</li>
<li>Industrial test and measurement standards (IEC, MIL-spec)</li>
</ul>
