A 5W 100Ω cement resistor is a high-power wirewound component encased in a ceramic and cement shell. It handles up to 5 watts of power with a 100-ohm resistance value and a ±5% tolerance, making it ideal for high heat dissipation in power supplies and amplifiers.

Specifications and Types

• Resistance: 100 Ohms
• Power Rating: 5 Watts
• Tolerance: Typically ±5% for ceramic or wirewound types, ±1% for metal film variants 
• Construction Types:
  • Wirewound Cement: Provides excellent heat dissipation and can handle high pulsed currents. Ideal for power supplies, industrial automation, motor controls, and load testing equipment 
  • Metal Oxide Film: Flame-resistant, stable under thermal stress, commonly used in electronics projects such as audio-video circuits and Arduino/Raspberry Pi applications 
  • Ceramic Resistors: Durable and designed for high-performance applications, with improved thermal stability and mechanical strength 
• Operating Temperature: Typically -55°C to 155°C for wirewound cement resistors 
• Physical Size: Wirewound cement resistors approximate dimensions: 0.88"L × 0.38"W × 0.38"H 
• Leads: Axial/through-hole for PCB or chassis mounting