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Through Hole Resistors

Through hole resistors are components that is used to limit current, adjust signal levels, divide voltagesor bias active elements on a printed circuit board. It is typically mounted like axial-lead components with one lead inserted into a hole and soldered to a footprint. In addition, the other lead is bent and formed around on the other side of the circuit board, and likewise soldered into place.

UB5C-0R25F1 application field and working principle

The UB5C-0R25F1 is a 1/4 watt Through Hole Resistor with axial-lead and an extremely high ohm value of 25MΩ. It is featured with a 5% tolerance, 0.1V limit voltage as well as a narrow temperature coefficient resistance that make them ideal in preventing noise and ensuring less interference. The construction of this resistor is generally of metal film and it also features flame-retardant epoxy coating. It is often used for power supply filtering, radio Frequency Interference (RFI) suppression and ground loops.

The working principles of a through hole resistor can be divided into two parts, its current limiting capabilities and voltage division. With the help of Ohm\'s Law, the current limitation capability of the resistor can be calculated according to the following practical equation:

V=I × R

Where V is the voltage across the resistor, I is the current flowing through it and R is the resistance value of the resistor. As for the second part, the voltage division, it works in the following way. Voltage is dividable in proportion to the resistance values of the components sharing the same voltage.

In conclusion, the UB5C-0R25F1 through hole resistor is a critical component in modern circuitry as it enables the precision control of the current and voltage as intended. Its performance has been proven to be robust, reliable and suitable to use in many various applications.

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