A fuse is a critical component in circuit protection, primarily functioning to interrupt the circuit in case of overcurrent or short circuit, thereby preventing equipment damage and fire hazards.
Fuses are essential in a range of applications, including consumer electronics, automotive, industrial machinery, household appliances, and power systems. In modern electronics such as smartphones, computers, and TVs, fuses prevent breakdowns caused by power faults or component malfunctions. In vehicles, fuses protect key systems like batteries, lights, and audio equipment, ensuring safe operation. Within industrial applications, fuses safeguard large machinery and control systems from unexpected currents, preventing equipment damage and downtime. Power systems, such as substations and distribution cabinets, also rely on fuses to ensure safe grid operations.
The upstream industry for fuse manufacturing involves supplying materials like copper, tin, and glass, and includes necessary production equipment and techniques such as packaging, testing, laser cutting, and automation lines. The downstream industries encompass electronics, automotive, and appliance manufacturers that depend on fuses to ensure their products' safety and reliability.
Global demand for fuses is rising steadily, driven by continuous growth in consumer electronics and automotive sectors. Notable manufacturers include Littelfuse, Vishay, and the ETI Group.
In recent years, Vietnam's electronics and appliance assembly industries have grown significantly, establishing Vietnam as a global manufacturing and assembly hub. CRI indicates the fuse market in Vietnam is expanding, especially in the electronics and electrical equipment sectors where fuses are essential. However, due to the technical and equipment requirements for fuse manufacturing, Vietnam has limited production capacity and heavily relies on imports.
According to CRI data, Vietnam imported approximately USD 128 million worth of fuses in 2023, with low-voltage fuses accounting for around USD 120 million and medium- to high-voltage fuses at USD 8 million. From January to August 2024, Vietnam's fuse imports reached about USD 100 million, with low-voltage fuses at USD 90 million (a 14% increase compared to 2023), and medium- to high-voltage fuses exceeding the total for 2023. The Vietnamese fuse market is expanding rapidly, with expectations of sustained growth over the next few years.
Vietnam's main fuse import sources from 2021 to 2024 include South Korea, Japan, and China. Leading companies exporting fuses to Vietnam are Sumitomo Wiring Systems, Yura Corporation, and Cloud Network Technology Singapore. Key importers in Vietnam are primarily manufacturers and distributors in the mechanical and electronics manufacturing industries, such as Sumi Vietnam Wiring Systems, Sumidenso Vietnam, and Yazaki EDS Vietnam.
Overall, with Vietnam’s economic development, accelerated industrialization, and expanding manufacturing sector, the fuse market in Vietnam is expected to grow continually, and import volumes are anticipated to increase accordingly.
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