RL0402E005M200K 0402 PTC Resettable Fuse | 5V 2A Overcurrent Protection | RUILON

The RL0402E005M200K is a compact 0402 PTC resettable fuse engineered for reliable overcurrent and short-circuit protection in modern electronic circuits. With a 5V operating voltage and 2A hold current, it provides fast response to fault conditions and automatically resets after the fault is removed. Its 0402 package offers an excellent balance between miniaturization and handling, making it ideal for high-density PCB designs. Designed for low resistance, stable electrical performance, and long service life, this device is widely used in consumer electronics, IoT modules, and portable systems requiring efficient and reusable protection.

Key Features

• Compact 0402 package for high-density PCB layouts
• Resettable PTC fuse for overcurrent and short-circuit protection
• 5V operating voltage with 2A hold current
• Fast trip response with automatic reset functionality
• Low resistance for minimal 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