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.
6.3 x 32 mm (diameter x length)
5 x 20 mm
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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