Weak current College】 【resistors main species】.

Carbon film resistor metal film resistor metal oxide film resistors wire wound resistors glass glaze film resistors

cement resistors carbon film resistors: will carbon resistor sintering to ceramic rods, and then in the ceramic rods carved out of the spiral groove to produce ideal resistance values. Ceramic rod ends are connected with wires respectively equipped with metal caps and resistors on plates has played the role of the protective layer of insulation. Characteristics: the most common and least expensive a resistor. Application: General electronic circuits.
Metal film resistors: metal thin film deposition or sintering to ceramic rods, and then in the ceramic rods carved out of the spiral groove to produce ideal resistance values. Ceramic rod ends are connected with wires respectively equipped with metal caps and resistors, plated with protective film. Characteristics: low temperature coefficient, with good accuracy. Application: the accuracy requirements for higher General electronic circuits.
Metal oxide film resistors: the metal oxide film deposition or sintering to ceramic rods, and then in the ceramic rods carved out of the spiral groove to produce ideal resistance values. Resistance of conductor with and both ends are connected to the metal caps and resistors, plated with protective film. Characteristics: in this shape, able to handle large amounts of power.
Performance between carbon film resistor metal film resistors. Application: medium-power circuit.
Wire-wound resistors: will a root resistance wire (manganese-chromium-copper wire, wire, etc.) to wrap around to the ceramic rods. By changing the resistance wire materials and wrapping of the number of turns, to adjust the size of the resistance value. Characteristics: high power, low-impedance. Low temperature coefficient and good accuracy. Application: general power circuit. High precision power circuit.
Glassy glaze resistor: the resistance wire wrapping for ceramic pipe, and then in the above galvanised enamel coating. Characteristics: because of its ability to withstand high temperatures, so it can handle large amounts of power. Application: power circuit.
Cement resistors: will wire wound or metal oxide film resistors components into the ceramic shell, and then use silicone resin (cement) is sealed. Characteristics: due to the use of non-combustible enclosure sealing, even under high temperature, the resistor will not burn. Application: medium-power circuit.