RL0402E008M500K 0402 PTC Resettable Fuse | 8V 5A Overcurrent Protection | RUILON

The RL0402E008M500K is a compact 0402 PTC resettable fuse engineered for reliable overcurrent and short-circuit protection in modern electronic circuits. With an 8V operating voltage and 5A hold current, it delivers fast response to fault conditions and automatically resets once normal operation is restored. Its small 0402 footprint is ideal for high-density PCB layouts, providing an excellent balance between miniaturization and assembly convenience. 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 circuit protection.

Key Features

• Compact 0402 package for high-density PCB layouts
• Resettable PTC fuse for overcurrent and short-circuit protection
• 8V operating voltage with 5A 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 service life
• RoHS compliant and SMT-compatible

Applications

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