In depth analysis of Jinke (JK) fuse brand
Brand background and historical evolution
Jinke (JK) fuse brand is affiliated with Shenzhen Jinko Special Materials Co., Ltd. (referred to as Jinke Company), formerly known as Jinrui Electronic Materials Co., Ltd., established in 2002. The company focuses on the research, development, production and sales of polymer positive temperature coefficient (PTC) self-healing fuses, and rapidly grows into a national high-tech enterprise relying on the technical background of the Institute of Metals, Chinese Academy of Sciences. After more than 20 years of development, Jinko has become a leading enterprise in the field of PTC self-healing fuses in China. Its products are widely used in various fields such as electronic appliances, security, communication, industrial control, and consumer electronics.
Core technology and product advantages
Polymer PTC self recovery fuse technology
Self recovery feature: Jinko fuses are made of polymer materials. When abnormal current occurs in the circuit, the fuse will quickly heat up and enter a high impedance state, thereby cutting off the current and protecting the circuit safety. After the abnormal current disappears, the fuse will automatically return to a low impedance state without the need for manual replacement, greatly improving the reliability and maintenance convenience of the equipment.
Multi series packaging forms: Jinko provides five series of fuses, including plug-in, surface mount (such as 1206, 0805 packaging), low resistance surface mount, ring, and strip, to meet the needs of different application scenarios. For example, the JK-MSMD050 model fuse has a size of only 4.73mm × 3.41mm × 0.75mm and is suitable for micro electromechanical devices.
Wide voltage and current range: The product has a withstand voltage range of 6V to 600V and maintains a current range of 0.04A to 14A. It can be widely used in various electronic devices ranging from low voltage to high voltage.
High reliability certification: Jinko fuses have passed international safety certifications such as UL, CSA, VDE, TUV, etc., ensuring the stability and safety of the product in extreme environments.
Product performance parameters
Key technical indicators: including rated working voltage, rated holding current, trigger current, and maximum resistance. For example, the JK-NSMD050-30 model fuse has a maximum voltage of 30V, a holding current of 500mA, a tripping current of 1A, and a minimum initial resistance value of 150m Ω.
Quick response capability: In a static air environment at 25 ℃, Jinko fuses can quickly operate at specified currents. For example, the JK130-010U model fuse has a maximum operating time of only 100ms at a current of 100mA.
Market Position and Industry Certification
Leading position in the domestic market: Jinko Corporation is one of the largest and most comprehensive enterprises in the production of PTC self recovery fuses in China, with a market share of over 40%. In the high-end product market, its market share is as high as 80%, maintaining a leading position in the industry.
International authoritative certification: The product has passed ISO9001 quality management system certification, as well as foreign authoritative product safety certifications such as UL and TUV, possessing strong quality assurance capabilities.
Customer recognition and performance: Jinko fuses serve many well-known enterprises, such as BYD, Sunshine Power, etc., and some products have been exported overseas. In 2009, the company's sales volume exceeded 200 million pieces and its operating performance maintained stable growth.
Application Fields and Customer Groups
Jinko (JK) fuses are widely used in the following fields:
Electronic appliances: computer interfaces, mice, keyboards, micro motors, transformers, UPS, etc.
Security system: fire alarm and safety protection system, satellite TV receiving system.
Communication equipment: Complies with the postal and telecommunications industry standard "YDT 741-2002" and is suitable for overcurrent protection of communication equipment.
Industrial and consumer electronics: wearable devices such as lighting fixtures, testing and measuring equipment, household appliances, TWS earphones, and smartwatches.
Latest news and strategic direction
Capacity expansion and technological upgrading
Jinko Corporation continues to expand its production scale and improve its automation production level to meet the growing market demand. At the same time, the company continuously develops new polymer materials to optimize product performance, such as reducing resistance and improving current resistance.
Market Expansion and Emerging Fields
Deepen cooperation with well-known domestic and foreign enterprises, expand into emerging markets such as new energy vehicles, 5G communication, and other fields. For example, Jinko fuses have been applied in electric vehicle battery management systems (BMS) and motor controllers (MCU) to provide reliable overcurrent protection.
Customized solutions
For specific fields such as new energy and industrial control, Jinko provides an integrated solution of "fuse+thermal protector" to reduce customer supply chain costs and enhance product safety.
Jinko (JK) fuse brand has become a benchmark enterprise in the field of circuit protection components in China with its profound technical accumulation, rich product line, strict quality control, and extensive market applications. In the future, Jinko will continue to be driven by innovation, committed to providing safer and more reliable circuit protection solutions, and promoting the sustainable development of the electronics industry.