Ruilin Semiconductor (Shenzhen) Co., Ltd. is a high-tech enterprise dedicated to the design, development, and sales of polymer positive temperature coefficient thermistors (PPTC resettable fuses). The team comes from top well-known companies in the semiconductor industry, with R&D and sales teams each having over 20 years of experience. Combining the manufacturing processes of renowned domestic and international manufacturers, and equipped with advanced equipment and experienced industry professionals, we provide customized products with various special specifications such as high current, high voltage, low resistance, and low variation rate, to meet the high-standard and high-precision circuit protection needs 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, high-voltage and high-current resettable fuses. Our products are indispensable components in almost all products that use electrical energy, including: automotive electronic systems, traffic signals, equipment communication terminals, communication equipment, home appliances, industrial control equipment, power supply equipment, smart wearable devices, and electronic circuit protection for precision instruments. The company values R&D and quality, investing heavily in building a professional R&D team, and adheres to a dual-track development path of standardization and customization. Currently, we have a number of advanced high-precision testing instruments and specialized production and testing equipment, with the capability to manage the entire production and testing process from raw material incoming, 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 the environmental requirements of RoHS and REACH, and some core products have obtained safety certifications such as UL, CUL, and TUV, which are the best guarantee of solid quality.
The company always adheres to the business philosophy of integrity, professionalism, collaboration, and steady progress, with integrity, customer focus, professionalism, and win-win cooperation as core values. Upholding the corporate culture of continuous improvement, innovation, and unity, we protect circuit safety with precision components and empower the electronics industry with professional technology. Small components, big safety — Ruilin Semiconductor, your circuit protection expert.
Core Products:
-Standard PPTC Resettable Fuse

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