According to search results, the brands of self recovering fuses (PPTC) cover internationally renowned manufacturers and leading domestic enterprises. The following is a summary of the main brands and their characteristics:
International brand
Littelfuse
Advantages: A top tier circuit protection brand in the United States, with a product line covering self-healing fuses, TVS diodes, etc., in compliance with international certifications such as UL and VDE, widely used in the automotive, industrial, and consumer electronics fields.
Features: High reliability, fast response, excellent high temperature resistance.
Vishay
Product scope: Covering high-voltage and high current self recovery fuses, supporting high voltage (up to 600V) and high current (18A) applications, suitable for new energy vehicles and industrial power systems.
Murata (Murata)
Technical highlight: Provides low internal resistance, high-precision self-healing fuses, suitable for precision electronic devices such as medical instruments and communication base stations.
Bourns
Application areas: Focusing on automotive electronics and consumer electronics, our products have passed AEC-Q200 automotive certification, with outstanding vibration resistance and high temperature performance.
TE Connectivity
Innovative design: Developed a Type-C interface dedicated self recovery fuse that supports USB-PD fast charging protocol and is compatible with high-power charging scenarios.
Domestic brands
Wayon
Market position: A leading domestic polymer PTC enterprise, with products covering the voltage range of 6V~600V, widely used in communication equipment and automotive electronics.
SOCAY
Features: Provides sulfur resistant and high-temperature resistant fuses, suitable for industrial control and new energy fields, certified by UL and TUV.
JDT Fuse
Core advantages: self-produced and self recovering fuse PPTC, acting as an agent for Littelfuse products, focusing on high cost-effectiveness and fast delivery time, suitable for consumer electronics and security equipment.
BDT Fuse
Technical patent: Possessing low resistance series products (such as SMD1210L series) with resistance values as low as milliohms, reducing circuit losses, suitable for battery protection and micro motors.
Jinke (JK)
Application case: JK600 and MZ series are designed specifically for communication equipment, in compliance with the postal and telecommunications industry standard YDT 741-2002, and resistant to environmental temperatures ranging from -10 ℃ to 60 ℃.
SL Fuse Technology
Customization capability: Provides high voltage and high current (such as 150V/18A) and sensor specific fuses, supports customized design, and is applied in smart grids and industrial control systems.
Hui'er Electronics
Certification qualifications: Through ISO9001, UL, TUV certification, the product covers a current range of 50mA~14A and is suitable for home appliances and automatic control fields.
Market Pattern and Trends
International manufacturers dominate the high-end market, such as Littelfuse and Vishay, which have technological advantages in the automotive and industrial fields, while domestic manufacturers seize the consumer electronics market share through cost-effectiveness and rapid response.
Domestic substitution acceleration: Enterprises such as Weian and Shuokai are gradually narrowing the gap with international brands through technological iteration (such as thin wafer technology), and the market share of local manufacturers is expected to exceed 30% by 2025.
Emerging application drivers: The surge in demand for high voltage and low internal resistance fuses in new energy vehicles, 5G base stations, and energy storage systems is driving manufacturers to develop specialized models (such as automotive grade PPTC).
Selection suggestions
Consumer electronics: Prioritize brands such as Jidian and Baodian that offer high cost-effectiveness and short delivery times.
Automotive electronics: Must comply with AEC-Q200 standards, and recommend automotive grade products from Littelfuse, Vian, or Lutech.
Industrial high-voltage scenarios: Consider Vishay high-voltage series or customized solutions from Lutech Technology to ensure voltage resistance and stability.
For more brand and parameter details, please refer to the official websites of various manufacturers or agent channels (such as Shunhai Technology, Huanian Mall).
