Resistor symbol (U.S. and Japan). where P is the power in watts, V is the voltage in volts, and R is the resistance in ohms. Types of resistors Fixed resistors. A fixed resistor is one in which the ...

Typically, though, when just the term “resistor” is used, it implies either a through-hole or surface-mount (SMT/SMD) linear, fixed resistor. But within this smaller category, there are still a ...