Small Semiconductor Heater PTC Cartridge Heater Rce 016. Self-Regulating PTC Element: PTC heating element provides temperature limiting and dynamic response behavior. Wide Voltage Range: Operates on 120-240V AC/DC with a minimum of 110V and maximum of 265V. Durable Aluminum Body: Heater body is made of anodized aluminum for robust protection. Compact Design: Dimensions are 45mm length by 10mm diameter, ideal for small enclosures. IP32 Protection Class: Features double insulation and IP32 protection type for safety. OEM and ODM Service: Custom branding and manufacturing services are available for clients. 3-Year Warranty: Comprehensive 3-year warranty coverage provided for all customers. Multiple Certifications: Certified with RoHS, CB, CCC, ISO9001, and CE standards.