OL4745E-R52

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Through hole resistors offer numerous benefits over surface mount resistors as they provide higher power dissipation, require less board real estate, and are generally much less expensive. OL4745E-R52 is one of the most popular types of through hole resistors and is widely used in a variety of applications.

OL4745E-R52 provides a wide range of resistances from 0.001 to 4.7 kilo ohms, and its high power rating of 5 watt makes it suitable for applications such as power supplies, motor control, and general circuit protection. It is a preferred resistor for high voltage, high power applications. OL4745E-R52 is a carbon composition resistor with a tubular shape that provides greater protection against heat than standard resistors.

When using OL4745E-R52, the most important consideration is to ensure that the maximum operating temperature is not exceeded. Its temperature coefficient is about 1000 ppm, which provides stability for high-frequency circuits and ensures reliable operation in the presence of wide temperature fluctuations. The voltage rating depends on the environment and board design; the recommended value is typically 200V, although other values are available.

The working principle of the OL4745E-R52 resistor is based on Ohm’s law. In Ohm’s law, the current I through the resistor is inversely proportional to the resistance R. That is, when the resistance increases, the current decreases, and when the resistance decreases, the current increases. The actual resistance of the OL4745E-R52 depends on the temperature and board layout. The resistance can be adjusted by using a potentiometer or rheostat, which is helpful in setting the voltage or current levels in a circuit.

OL4745E-R52 can be used in applications such as AC/DC conversion, voltage regulation, audio amplifiers, motor control, LED lighting, and robotics. It is suitable for use in high-voltage and high-power environments. Due to its robust construction, it is also well suited for systems that must operate in extreme temperature ranges. Many companies also offer custom designs for special applications such as high surge current protection or voltage spike protection.

Overall, the OL4745E-R52 is an ideal choice for through hole resistor applications. Its high power rating and low temperature coefficient provide greater stability and reliability for a variety of applications. As such, it is well suited for use in many commercial and industrial installations.

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