1. Filamentous. Early primitive fuses were directly locked with screws and used for various sizes of old-fashioned switches and sockets.
2. Flaky (bare flake). More convenient to use than traditional filiform.
3. Glass tube shaped. There are several different sizes, commonly found in electronic products.
6.3x32mm (diameter x length)
5x20mm
4. Ceramic tubular. There are several different shapes and sizes to avoid glass bursting.
5. Plastic sheet with metal sheet connector: automotive fuse.
6. Surface mounted component (SMD) type.
7. Cylindrical, plug-in type: directly soldered onto the circuit board, used internally in the product.
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