RNC55J4123BSRSL

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Through hole resistors have been an essential part of electronic components since the birth of the electronic industry. The RNC55J4123BSRSL is one of the specifically designed resistors for through hole mounting. To understand the uses of the RNC55J4123BSRSL on an electronic circuit, the working principle behind this resistor should be briefly reviewed.

Application Fields

The RNC55J4123BSRSL is an axial-lead device with a 5.5mm diameter that uses thick-film technology. Its non- inductive design and wide temperature range are ideal for various applications. The resistance value can be specified from 0.5 ohms to 10 mohms and it is relatively tolerant to temperature and humidity. In addition, it has a lower thermal EMF due to its multilayer construction. These features make it suitable for high power applications like airborne, automotive, industrial, and military applications.

In addition, the RNC55J4123BSRSL is available with a range of tolerances from 1% to 5% allowing it to easily fit into existing circuit designs. It can also handle up to 1250 volts and up to 40 watts of power. These features combined with its low cost, availability, and ease of manufacturing make the RNC55J4123BSRSL an ideal choice for through hole resistors.

Working Principle

A through hole resistor works by limiting the current that can flow through a circuit. The resistor creates a voltage drop across its terminals which is proportional to the amount of current flowing through it. The voltage drop is equal to the product of the resistor’s value and the current flowing through it. This voltage drop is what creates the limitation to current flow.

In a through hole resistor, the resistor element is encased in ceramic and contact pins are connected to the resistor element. The dimensions of the device and the contact pins directly affect the amount of current that can be handled without damaging the resistor. Thus, RNC55J4123BSRSL resistor is designed for high power applications as it can handle a large amount of current.

The two pins are connected to the resistor element with solder. This solder is heated, and then flows into the contact holes. This creates a good connection between the element and the pins. This connection provides insulation from heat and vibrations, which is important for through hole resistors.

Once the pins are connected, they must be protected from changes due to temperature and vibration. To do this, the resistor element is insulated at the back of the device. An epoxy coating is applied to the back of the resistor to protect the contacts from heat and vibrations.

To further protect the device from vibration, the resistor must be mounted to the circuit. This can be done by using a pin or screw. The mounting method ensures that the resistor remains securely connected to the circuit. This technique also ensures that the resistor does not move away from its original position due to vibration.

In summary, the RN55J4123BSRSL is an axial-lead thick-film resistor designed for through hole mounting. Its non inductive design, wide temperature range, and lower thermal EMF make it ideal for high power applications. Its range of tolerances and availability make it an ideal cost effective choice for through hole resistors.

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