A 680 Ohm 1W 5% Through Hole Resistor is a type of fixed resistor used in electronic circuits to limit the flow of electric current. This specific resistor has a resistance value of 680 Ohms, meaning it will restrict the current according to Ohm's Law (V = IR) when a voltage is applied. It is rated for a maximum power dissipation of 1 watt (W), which indicates the maximum amount of electrical energy it can safely convert into heat without being damaged.
The "5%" tolerance means that the actual resistance can vary by 5% above or below the nominal 680 Ohm value, making it suitable for general-purpose applications where slight resistance variations are acceptable. This tolerance is typically indicated by a color code or printed on the resistor itself.
The "through hole" refers to the type of mounting for the resistor, which is designed to be inserted through a hole in a printed circuit board (PCB) and soldered on the other side. This type of resistor is generally more durable and easier to handle compared to surface-mount resistors, especially for prototyping and assembly processes.
The resistor's cylindrical body typically has a ceramic core, and it is usually coated with a color-coded band or marked with numeric values to denote its resistance, tolerance, and sometimes power rating. The 680 Ohm 1W resistor is widely used in various electronic devices, including amplifiers, power supplies, and signal conditioning circuits, where controlling the flow of current is essential for proper functioning. Its power rating ensures that it can handle higher currents compared to lower-wattage resistors, making it useful in applications requiring more robust performance.
