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

The RL0201E009M101K is an ultra-compact 0201 PTC resettable fuse designed for reliable overcurrent and short-circuit protection in miniature electronic circuits. With a 9V operating voltage and 100mA hold current, it provides fast fault response and automatic reset after the fault condition is cleared. Its extremely small 0201 package makes it ideal for high-density PCB layouts in space-constrained designs. Engineered for low resistance, stable performance, and long service life, this device is well-suited for consumer electronics, IoT modules, and portable applications requiring efficient and reusable circuit protection.

Key Features

• Ultra-miniature 0201 package for high-density PCB designs
• Resettable PTC fuse for overcurrent and short-circuit protection
• 9V operating voltage with 100mA hold current
• Fast trip response with automatic reset capability
• Low resistance for minimal power loss
• Stable and repeatable performance over 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 space-constrained designs