RL0603E018M200K 0603 PTC Resettable Fuse | 18V 2A Overcurrent Protection | RUILON

The RL0603E018M200K is a compact 0603 PTC resettable fuse designed to deliver reliable overcurrent and short-circuit protection in modern electronic circuits. With an 18V operating voltage and 2A hold current, it provides fast fault response and automatically resets once normal operating conditions are restored. Its 0603 package offers an excellent balance between small size and easy assembly, making it ideal for high-density PCB designs. Engineered for low resistance, stable electrical performance, and long service life, this component is widely used in consumer electronics, IoT devices, and portable systems requiring efficient and reusable protection.

Key Features

• Compact 0603 package for space-efficient PCB design
• Resettable PTC fuse for overcurrent and short-circuit protection
• 18V operating voltage with 2A hold current
• Fast trip response with automatic reset functionality
• Low resistance for reduced power loss
• Stable performance across multiple reset cycles
• High reliability and long operational life
• RoHS compliant and SMT-compatible

Applications

• Overcurrent protection in compact electronic devices
• Smartphones, tablets, and wearable electronics
• Battery packs and charging circuits
• USB power lines and low-voltage systems
• IoT modules and embedded electronics
• Consumer electronics and smart devices
• PCB-level protection in high-density designs