Passive Components are the Foundation of Every Reliable Electronic Design
From resistors and capacitors to inductors, filters, and EMI suppression solutions, these essential building blocks play a critical role in ensuring performance, stability and longevity across applications.
As technology evolves towards more intelligent, connected and energy-efficient systems, including AI-driven processing, electrification and industrial automation, the demand for high-performance, reliable components continues to grow.
At Farnell we offer one of the industry’s most comprehensive selections of passive components, sourced from leading, authorised manufacturers you can trust. Whether you’re designing for industrial automation, automotive systems, renewable energy, telecommunications or next-generation IoT applications, our portfolio is built to support every stage of development.
With competitive pricing, fast delivery, and packaging options to suit projects of any size, we make it easy to keep your designs on schedule and on spec, today and for the technologies shaping tomorrow.
From AI-driven systems to electrification and connected devices, our solutions are built for the technologies shaping tomorrow.
Products Categories
Explore our comprehensive range of passive components, designed to support both today’s applications and next-generation technologies
Acoustic Components
Our acoustic passives including buzzers & sounders, microphones, piezo elements and speakers deliver reliable signalling, sensing and audio output. Designed for efficient, maintenance free performance, they enhance user interaction and system awareness across industrial, IoT and consumer applications.
Antennas - Dual Band Chip
Our dual-band chip antennas deliver reliable wireless connectivity across multiple frequency bands in compact designs. Optimised for efficient RF performance and easy PCB integration, they are ideal for space-constrained applications in IoT, industrial and connected systems. A dependable choice from prototype through to production.
Antennas - Single Band Chip
Designed for focused, high-performance wireless applications, our single-band chip antennas provide reliable connectivity within a dedicated frequency range. Compact and easy to integrate, they are well suited to targeted RF designs across industries requiring stable and efficient communication.
Capacitors
We offer a comprehensive range of capacitors including Ceramic, Electrolytic, Film, Tantalum, Polymer and Supercapacitors. Essential for energy storage, voltage stabilisation and power regulation, our capacitors are engineered for high performance across applications such as industrial systems, automotive electronics and high-performance computing environments.
Circuit Protection
Our circuit protection portfolio safeguards systems against overloads, short circuits and fault conditions. Featuring fuses, resettable PTCs, circuit breakers and more, these solutions ensure reliability, safety and long-term performance in demanding applications across industrial, power and connected devices.
Crystals & Oscillators
Our crystals and oscillators provide precise timing and frequency control for modern electronic systems. Supporting applications from microcontrollers to high-performance processors, these solutions ensure stability, synchronisation and reliable operation in everything from embedded designs to advanced computing systems.
EMC/RFI Suppression
Designed to minimise electromagnetic and radio-frequency interference, our EMC/RFI suppression components help maintain signal integrity and system performance. Ideal for high-speed and data-intensive environments, they support compliance and reliable operation across industrial, telecoms and connected applications.
Filters
Our range of filters supports signal clarity and noise reduction across a wide variety of applications. Including SAW filters, diplexers and feedthrough capacitors, these solutions are designed to optimise performance in RF and high-frequency designs, helping ensure efficient and reliable communication.
Inductors
We offer a broad selection of inductors, chokes and coils designed for energy storage, filtering and power management. Engineered for efficiency and stability, these components are widely used in power supplies, industrial systems and advanced electronics requiring consistent and reliable performance.
Potentiometers, Trimmers & Accessories
Our range otentiometers, trimmers, and accessories for precise control over electrical parameters. Our selection includes rotary, linear, and slide potentiometers to suit various applications. Trimmers (or trimpots) are miniature potentiometers used for tuning and calibration in electronic circuits, often mounted on PCBs. Potentiometers are three-terminal devices that function as adjustable voltage dividers, enabling fine-tuning and precise voltage adjustments in circuits.
Resistors Fixed Value
We carry an extensive range of fixed-value resistors, including carbon film, metal film, thick film, and wire-wound types, designed for precise current control in various applications like consumer electronics, automotive systems, and industrial equipment. These resistors provide constant resistance, ensuring stable current flow and protecting sensitive components. Available in various resistance values, power ratings, and tolerances, our resistors deliver reliable, durable performance for your electronic projects.
Thermistors
Thermistors in our portfolio are designed to support accurate temperature sensing and dependable thermal protection across a wide range of electronic applications. Used for monitoring, control, and compensation, these components offer responsive performance and are easy to integrate into compact designs. Suitable for use across multiple industries, thermistors provide a reliable solution from early development through to production.
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Find newly released passive components for power electronics, signal integrity, and high-precision circuit designs
