Ohmite is a leading global manufacturer of electronic components and resistors. Since 1925, they have been providing high-quality products to various industries such as aerospace, telecommunications, medical, and automotive. Ohmite's diverse product portfolio includes wirewound, thick film, and thin film resistors, as well as rheostats, potentiometers, and heatsinks. Their products are known for their reliability, durability, and performance excellence. Ohmite is committed to innovation and invests heavily in research and development to meet the evolving needs of their customers. Their experienced engineering team provides customized solutions tailored to specific applications. Quality is a top priority, and Ohmite adheres to strict manufacturing standards and quality control processes. With a global presence, Ohmite has built partnerships with leading companies, offering comprehensive technical support and responsive customer service. In summary, Ohmite is a trusted manufacturer of electronic components and resistors known for their high-quality products, commitment to innovation, and customer satisfaction.
Through-hole resistors are electronic components that impede the flow of electric current. They are constructed with two wire terminals that are specifically designed to be inserted into holes on a printed circuit board (PCB) or used in a breadboard, and then soldered in place. These resistors are widely used in electronic circuits for their reliable performance and ease of installation. Through-hole resistors possess various characteristics that define their functionality. The first characteristic is resistance, which represents the opposition to current flow and can range from 0 ohms to 500 G ohms. The resistance value determines how effectively the resistor restricts the flow of current in a circuit. Tolerance is another important characteristic of through-hole resistors, indicating the permissible deviation from the specified resistance value. Tolerance values can vary from being virtually zero (jumper) to a range such as ±0.001% to ±5%. The tolerance specification ensures that the resistor's resistance remains within an acceptable range. Power rating is a crucial consideration when selecting through-hole resistors. It represents the maximum amount of power the resistor can safely dissipate without getting damaged. Power ratings are typically measured in watts and depend on the resistor's physical size, construction, and materials used. Through-hole resistors come in various compositions, each offering different performance characteristics. Common compositions include carbon composition, carbon film, ceramic, metal element, metal film, metal foil, metal oxide film, thick film, thin film, and wirewound. Each composition has its own advantages, such as stability, precision, durability, or suitability for high-power applications. In summary, through-hole resistors are electronic devices used to impede the flow of electric current. They have two wire terminals for insertion and soldering onto a PCB or breadboard. These resistors exhibit different characteristics, including resistance, tolerance, power rating, and composition, which determine their suitability for specific applications. By selecting the appropriate through-hole resistor, engineers can ensure reliable and efficient operation of electronic circuits.