Language 
Ruilin Semiconductor (Shenzhen) Co., Ltd. is a high-tech enterprise dedicated to the design, R&D, and sales of polymeric positive
temperature coefficient thermistors (PPTC resettable fuses). Our team members come from leading semiconductor companies in the
industry, with over 20 years of experience in both R&D and sales. By integrating advanced manufacturing processes from renowned
domestic and international manufacturers, and utilizing state-of-the-art equipment along with seasoned industry experts, we provide
customers with customized products featuring high current, high voltage, low resistance, and minimal variation rate to meet the
demanding high-standard and high-precision circuit protection requirements of today's high-tech applications.
The company's main products include: PPTC resettable fuses, ultra-low resistance resettable fuses, high-temperature resistant
resettable fuses, Type-C dedicated resettable fuses, and high-voltage, high-current resettable fuses. Our products are essential
components in almost all applications that use electricity, including automotive electronic systems, traffic signals, communication
terminals, telecommunications equipment, household appliances, industrial control equipment, power supplies, smart wearable
devices, and electronic circuit protection for precision instruments.
The company places great emphasis on R&D and quality, investing significantly in establishing a professional R&D team while
pursuing parallel development through both standardized and customized approaches. We currently possess a range of advanced
high-precision testing instruments and specialized production inspection equipment, enabling comprehensive testing capabilities
from raw material incoming inspection, product design and development, production process control, to finished product outgoing
inspection. In addition to implementing the ISO 9001:2015 quality management system to control product quality, our products also
meet RoHS and REACH environmental requirements. Furthermore, some core products have obtained UL, CUL, TUV, and other
internationally recognized safety certifications, serving as the best guarantee of reliable quality.
The company consistently upholds its business philosophy of "integrity as the foundation, professionalism as the cornerstone,
collaboration for cohesion, and steadfastness for long-term growth," with core values of integrity, customer focus, professionalism,
and mutual benefit. Embracing a corporate culture of continuous improvement, integrity-driven innovation, and unity for long-term
success, we are dedicated to safeguarding circuit safety with precision components and empowering the electronics industry with
professional technology. Small component, big safety — we strive to become a globally leading expert in circuit protection
components.
Core Products:
Customized special specifications
