SQM500JB-0R12

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Through Hole Resistors

Through hole resistors are a type of passive electronic component that limits the amount of current flowing through a circuit to a desired amount. In most cases, these resistors are used to reduce signal levels, although they can also be used to reduce the supply voltage. The most common type of resistor used in this way is the wire-wound, axial-leaded resistor. They are easy to install and provide further protection for other components in the circuit.

SQM500JB-0R12 Application Field and Working Principle

The SQM500JB-0R12 is an axial-leaded wirewound resistor developed by Stackpole Electronics for applications in control, instrumentation, automation, and communications. These resistors are made from nickel chromium and have a power rating of up to 5W at +55°C. In addition to the standard operating temperature range of -55°C to +125°C, the SQM500JB-0R12 is also rated for operation up to +155°C if required. The resistor features solderable ends so it can be easily installed in printed circuit boards. It is designed to be robust and reliable in order to ensure long lasting performance in demanding applications.

The SQM500JB-0R12 works according to the Ohm’s law principle, which states that voltage applied across a resistor is proportionate to current flowing through it. By controlling the width and length of the wire-wound resistor, the amount of resistance placed in the circuit path can be adjusted to obtain the desired current flow. In general, the greater the resistance, the more current is stopped from passing through the resistor.

In applications where the current is higher, the use of a larger power rating resistor is recommended. With its high power rating, the SQM500JB-0R12 is suitable for use in high power systems such as electric locomotives, large transformers and power supplies. The resistor is also commonly used in instrumentation, automation and control systems to measure, adjust and limit current or voltage inputs from sensors or other components in the system.

The SQM500JB-0R12 is easy to install and can provide further protection of components in the circuit. Its high-temperature stability ensures reliable performance even in the most demanding applications. The resistor is also well-suited for use in a variety of other passive and active electronic systems.

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