RL0201E009M101K 0201 PTC Resettable Fuse | 9V 100mA Overcurrent Protection | RUILON

The RL0201E009M101K is a high-reliability 0201 PTC resettable fuse designed to provide efficient overcurrent and short-circuit protection in compact electronic circuits. With a 9V operating voltage and 100mA hold current, it ensures rapid response to fault conditions and automatically resets once normal operation resumes. Its ultra-miniature 0201 footprint makes it ideal for space-constrained, high-density PCB designs. Built for low resistance, stable electrical characteristics, and long service life, this device is widely used in consumer electronics, IoT modules, and portable systems requiring dependable and reusable circuit protection.

Key Features

• Ultra-small 0201 package for high-density PCB layouts
• Resettable PTC fuse for overcurrent and short-circuit protection
• 9V operating voltage with 100mA 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 pack and charging circuit protection
• Low-voltage power lines and signal circuits
• IoT modules and embedded systems
• Consumer electronics and smart devices
• PCB-level protection in space-constrained designs