OK1545E-R52

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Through Hole Resistors are mechanical electronic components that provide a specific value of resistance in an electrical circuit. They are a type of passive electrical component with two terminals, a positive (+) and a negative (-). The OK1545E-R52 is just one example of this type of resistor.

The OK1545E-R52 is a through-hole resistor, meaning it consists of two metal pins protruding from a vacuum-tight glass or ceramic body. It is non-inductive and has an operating temperature range of -55 to +125 degrees Celsius. It has been designed to meet the requirements of MIL-R-39006, MIL-S-39009F, and MIL-R-19500F standards and can be assembled in standard through-hole assembly techniques like dip soldering and wave soldering. The electrical performance of the OK1545E-R52 is characterized by a relatively high temperature coefficient of resistance, typically 3.0 ohms/°C to 4.0 ohms/°C. This is because its resistive element is made of a thick film of metal and glass, which is more resistant to temperature changes than other formats.

The primary application of the OK1545E-R52 is for current limiting and voltage regulation. It is commonly used in DC-DC converters, SMPS circuits, power supplies, and electrical switching circuits. Due to its high temperature coefficient of resistance it is suitable for high current circuits where it is necessary to reduce or limit current over a wide range of temperatures. Additionally, these components are suitable for AC circuits, where they can be used to limit peak voltage in the AC waveform by providing a design load impedance. This is especially useful for applications in surge suppression and noise filtering.

Working with the OK1545E-R52 is fairly straightforward. The two metal pins are designed to be inserted into a standard through-hole printed circuit board (PCB). The correct voltage and current load values are then set on the PCB\'s printed circuit board (PCB) layout software. Additional components can be added, such as capacitors and inductors, as needed. Finally, the board can be tested for proper operation prior to going into production.

The OK1545E-R52 is a versatile and reliable through-hole resistor that is widely used for current limiting and voltage regulation in high current circuits. Its thick film construction makes it resistant to temperature changes, and its non-inductive design makes it ideal for SMPS circuits, power supplies, and electrical switching circuits. While working with the OK1545E-R52 requires some basic knowledge of PCB layout software, its design is fairly straightforward and suitable for most applications.

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