B5J120E

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Through Hole Resistors are a common type of resistor used in many electronic circuits. The B5J120E is a type of through hole resistor that is specifically designed for applications in high-voltage and high inrush circuits, such as power supplies and motor control circuits. This resistor consists of two metal pins, a ceramic-insulated substrate body, and a resistive element made from manganin. It is available in various resistance levels between 1Ω and 10KΩ and is able to handle a maximum power dissipation of 5 watts.

The most notable feature of the B5J120E is its resistance tolerance of ±5%. This means that it can withstand much higher voltages and currents than other types of resistors, such as wirewounds or carbon comps. This makes the B5J120E an ideal choice for high inrush circuits, as it can handle up to 8 times the rated current. Additionally, the B5J120E is extremely reliable and durable, as it is designed to be resistant to voltage surges, thermal shock and capacitive loading. This resistor also has a relatively low inductance, making it suitable for applications requiring low inductive lead and a high-speed response.

The working principle of the B5J120E is based on the fact that resistors reduce electric current through a circuit. This is done by converting the electrical energy into thermal energy, which is then displaced into the surrounding environment. This is achieved through the thin layer of ceramic insulation, which serves to insulate the metal pins from the resistive element. When a voltage is applied to the resistor, it responds by generating a predetermined amount of electrical resistance. This resistance is then used to limit the current flowing through the circuit.

The B5J120E is often used in power supplies, motor control circuits and other applications where high voltage and high inrush currents are present. Additionally, it is especially useful in applications that require high reliability, such as medical devices. Its ability to handle up to 8 times the rated current and its ±5% tolerance are great advantages in such applications. Furthermore, its low inductance and high-speed response make it suitable for high-frequency applications.

In conclusion, the B5J120E is a reliable through hole resistor that can handle high voltage and inrush current levels while offering an impressive ±5% resistance tolerance. It is highly suitable for use in power supplies, motor control circuits, medical devices and other high-reliability applications. Its low inductance and high-speed response make it even more desirable for applications that require high-frequency performance. Overall, the B5J120E is a great choice for any high-performance circuit design.

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