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The car fuse holder mainly refers to the holder installed in the car fuse when it is used. Its products can be effectively divided into panel mounted car fuse holder, lead type car fuse holder and car fuse clip. Panel mounted car fuse holders are mostly used in car electrical appliances, such as car amplifiers, car speakers, car DVDs, etc. In the process of using the car fuse holder, its fuse can withstand the certain overload due to the fluctuation of its power supply or its external disturbance to a certain extent. When there is a relatively large overload current in the circuit of the car fuse holder , its fuse should block its overload current for a fixed period of time.

The car fuse holder can protect the safety of other electronic components in the circuit to a certain extent. When a short circuit occurs in the circuit and a large current occurs, the fuse can safely block the circuit, which will prevent them from overheating. current damage.

The fuse in the car fuse holder can be used at a voltage equal to or less than its extra voltage, but generally it cannot be used in a circuit where the circuit voltage is greater than the extra voltage of the fuse. The voltage drop in the device will cause extra current to the fuse. The thermal balance of the fuse holder, that is, the voltage measured at both ends when the temperature is stable, and the voltage drop across the fuse will have a certain impact on the circuit to a certain extent, so there is a clear rule for voltage drop in the regulations. In no requirement. The overload current in the car fuse holder mainly refers to the current flowing in the circuit that is higher than that during normal operation. If the overload current cannot be blocked, it may cause damage to other electronic components in the circuit.