fuse

Description

Fuse Features And Applications

fuse is also called a current fuse, which is defined by the IEC127 standard as a “fuse-link”. It is mainly used for overload protection. When the fuse is correctly placed in the circuit, the fuse will cut off the current when the current abnormally rises to a certain height and heat, thus protecting the safe operation of the circuit.

Fuse product classification

According to the protection form, it can be divided into: over current protection and over temperature protection. A fuse for overcurrent protection is a commonly used fuse (also called a current limiting fuse). Fuses for overheat protection are commonly referred to as “temperature fuses”. The temperature fuse is further divided into a low-melting alloy shape and a temperature-sensing shape and a memory alloy shape, etc. (the temperature fuse is to prevent the temperature of the heating appliance or the heat-generating appliance from being too high, for example: hair dryer, electric iron, rice cooker Pot, electric furnace, transformer, electric motor, etc.; it responds to the rise of temperature rise of the electrical appliance, does not care about the working current of the circuit. Its working principle is different from “current limiting fuse”).
According to the scope of use can be divided into: power fuses, machine tool fuses, electrical instrument fuses (electronic fuses), car fuses.
According to the rated voltage, it can be divided into: high voltage fuse, low voltage fuse and safe voltage fuse.
According to the breaking ability, it can be divided into: high and low breaking capacity fuses.
According to the shape, it can be divided into: flat-headed tubular fuses (also can be divided into internal welding fuses and external welding fuses), pointed tubular fuses, sickle fuses, spiral fuses, blade fuses, flat fuses, wrap fuses, SMD fuse.
According to the fusing speed, it can be divided into: special slow fuse (usually indicated by TT), slow fuse (generally denoted by T), medium speed fuse (generally denoted by M), fast fuse (generally denoted by F), extra fast fuse (Generally indicated by FF).
According to the type can be divided into: current fuse (chip fuse, micro fuse, blade fuse, tubular fuse), thermal fuse (RH [square type], RP [resistance type], RY [metal shell]), self-recovery fuse ( Plug-ins, laminations, patches).

Dongguan Xuansn Electronic Tech Co., Ltd., founded in 2004, is engaged in the manufacture of electrolytic capacitors. And sell all kinds of electronic components: ceramic capacitors, MLCC, film capacitors, solid capacitors, super capacitors, resistors, diodes, transistors, fuses, inductors, bridge rectifiers, varistors, thermistors.
Services: OEM, program customization, technical support, unconditional exchange.

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