Resistors

Resistors are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many resistor manufacturers including Bourns, KOA Speer, Ohmite, Panasonic, SEI Stackpole, TE Connectivity, Vishay, Yageo & more.

We stock many resistor types including carbon, ceramic, chassis mount, current sense, film, metal foil, metal oxide, & wirewound resistors with through hole and surface mount packaging. We also stock a variety of resistor networks, resistor kits, and resistor hardware.

Check out our resistor color code calculator to find your resistor value.

Resistors are passive electronic components designed to control, limit, or regulate the flow of electrical current within a circuit. By providing a precise amount of resistance, they help establish operating conditions, protect sensitive components, and ensure stable circuit performance across a wide range of applications. These fundamental components are used throughout virtually all electronic designs for voltage division, current limiting, signal conditioning, and circuit biasing functions.

Types: The most common resistor types include thick film resistors, thin film resistors, wirewound resistors, metal film resistors, carbon film resistors, current sense resistors, chip resistors, variable resistors, and power resistors, each designed for specific precision, power handling, and environmental requirements.

Applications: Resistors are widely used in industrial automation systems, power supplies, motor drives, consumer electronics, automotive electronics, communication equipment, measurement instruments, and embedded control circuits to manage current flow and maintain proper operating conditions.

Selection requirements: To choose resistors, evaluate resistance value, power rating, tolerance, temperature coefficient, package type, voltage rating, pulse handling capability, environmental performance, and suitability for the intended electrical and operating conditions.

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Please view our large selection of resistors below.