A Cement Resistor 5w22ΩJ is a 5-watt wirewound power resistor with a resistance value of 22 ohms and a tight tolerance of ±5% (indicated by the letter "J"). It is housed in a solid ceramic block sealed with cement for superior heat and moisture resistance

Key Specifications

• Resistance: 22 ohms
• Power Rating: 5 watts
• Tolerance: ±5% (denoted by “J”)
• Type / Composition: Wirewound, providing high stability and reliability under power loads 
• Mounting Type: Through-hole / Axial leads; some models are vertical through-hole (THT) or radial
• Coating / Material: Options include cement-coated, flame retardant, or radial cement coated for moisture and heat resistance
• Dimensions: Typical dimensions vary by manufacturer; examples include 12.5×9×25mm for vertical wirewound cement resistors , or 0.335" diameter × 0.984" length for axial leaded types 
• Temperature Coefficient: Around ±300 ppm/°C 
• Operating Temperature Range: Around -55°C to +155°C (axial variant) or up to 250°C for high-temperature ceramic core models 
• Overload and Safety Features: Many models are flame proof, moisture resistant, and can withstand pulses or temporary overloads