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Gold aluminium chassis-mount resistor with screw tabs, 50W 8 ohm

Unique-Bargains

Unique-Bargains 50W 8 Ohm 5% Aluminium Clad Resistor Gold Tone

SKU CH-K03R-SRJDE

A 50W 8Ω wirewound power resistor with ±5% tolerance in an aluminium chassis-mount case for heat-sink cooling

  • Featuresresistance value;chassis mount;heat sink;widely used;high pe
  • 50 W power rating handles demanding circuits
  • 8 Ω resistance with ±5 % tolerance ensures accurate values
  • Aluminium case transfers heat to chassis for cooler operation
  • Gold-tone finish resists corrosion in harsh environments
  • 4 cm mounting holes on 1.6 cm centres simplify installation

50W 8 Ohm Chassis-Mount Power Resistor

This aluminium-housed wirewound resistor delivers a 50W power rating with an 8 ohm resistance value and ±5% tolerance. It is built for engineers and technicians who need reliable power dissipation in industrial equipment, power supplies, transducers or elevator systems. The gold-tone case measures 5 x 1.7 x 1.5cm excluding tabs, expanding to 6.9 x 3cm overall.

Heat Dissipation Requires External Sinking

The resistor must be bolted to a chassis or dedicated heat sink via its 0.4cm mounting holes spaced 1.6cm apart to achieve the rated 50W performance. Without adequate thermal coupling the component will overheat and drift out of tolerance. The aluminium case aids transfer but cannot dissipate full load power in free air.

8 Ohm ±5% Defines Circuit Compatibility

The 8 ohm nominal value with 5% tolerance sets the exact current-limiting or loading behaviour in your design. Builders needing a different resistance value, tighter tolerance or higher power rating must select another part. This single specification determines whether the resistor matches the schematic requirements.

Highlights

  • 50 W power rating handles demanding circuits
  • 8 Ω resistance with ±5 % tolerance ensures accurate values
  • Aluminium case transfers heat to chassis for cooler operation
  • Gold-tone finish resists corrosion in harsh environments
  • 4 cm mounting holes on 1.6 cm centres simplify installation

Specifications

BrandUnique Bargains
Featuresresistance value;chassis mount;heat sink;widely used;high performance

Questions about this item

Should I choose the 50W 8 Ohm version or a different power rating for my application?

This resistor is rated at 50W with an 8 Ohm resistance and 5% tolerance; select it when your design calls for those exact values, otherwise choose a model that matches your required wattage and resistance.

What does the 50W rating mean once the resistor is installed in a real circuit?

The 50W rating is achieved when the resistor is tightly mounted against a chassis or heat sink using the 0.4cm mounting holes spaced 1.6cm apart; without proper thermal contact the safe dissipation will be lower.

How does the chassis-mount interface affect thermal performance in practice?

Screw tabs on both sides let you clamp the 5 x 1.7 x 1.5cm aluminum case to a heat sink, and the 26g gold-tone housing transfers heat away from the wirewound element to keep the resistor within its 50W rating.

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