A 5W 100KΩ cement resistor is a high-power, wire-wound component designed to handle up to 5 watts of power with a resistance value of 100,000 ohms (100kΩ) and a tolerance of ±5% (indicated by the letter "J"). It is sealed in a ceramic/cement case for fireproofing and heat dissipation.

Power Rating: 5 Watts
Resistance Value: 100k Ohms (100,000 Ω / 100K)
Tolerance: ±5% (J)
Body Material: Ceramic and cement casing with internal wire-wound element
Approximate Dimensions: 22mm x 9.5mm x 9.5mm

Power supply regulation tests
Audio equipment, televisions, and computers
Current limiting or voltage dropping in high-voltage/low-current circuits