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- Bourns, Inc. has been leading the electronics industry in the design, manufacture and sale of electronic components and integrated solutions since its inception in 1947 by Marlan and Rosemary Bourns. As an industry innovator, Bourns targets product development at high-growth industries such as computers, telecommunications, automotive and portable electronics.
Bourns established a benchmark for the quality, value and innovation of its products and services early in the Company’s history with the 1952 introduction of the Trimpot® line. This was the world’s first patented trimming potentiometer. Bourns dedication to excellence ensures the continuous improvement of its products and services to satisfy customers on a global basis. Bourns philosophy is founded upon product quality, dependable delivery and the best overall value for its worldwide customers. In addition to maintaining global manufacturing and customer support capabilities, Bourns invests heavily in the development of technologies and the expansion of its manufacturing capabilities to meet customers’ changing needs. Through this continuous investment, Bourns drives the trend toward component miniaturization. The Company’s commitment to quality is demonstrated in its manufacturing operations, which meet QS 9000 and ISO 9001/2000 certifications.
Bourns sells a broad range of passive components, including trimming potentiometers, overcurrent protection devices, sensors, modular contacts, resistive networks, switches, encoders, panel controls, linear motion potentiometers, dials, precision potentiometers, inductive components, chip resistors and chip resistor arrays, and more. In addition, our Circuit Protection offering continues to expand to include thyristor surge protectors, resettable and telecom fuses, gas discharge tubes, line protection modules, chip diodes and ESD protection products. Outside Plant products include central office, station and multi-stage protectors as well as network interface devices (NIDS) and digital subscriber line (DSL) products. More recent product line additions include DC/DC converters, microelectronic modules, specialty resistors and power semiconductors.
Bourns model AMM20B non-contacting, multiturn, rotary position sensor meets the specifications of heavy-duty applications. Learn More
Bourns delivers the most comprehensive line of circuit protection technology and solutions in the industry. Learn More
Bourns provides a broad array of magnetic components and solutions to meet a variety of application needs. Learn More
CRT-ST Series Thin Film Precision Chip Resistors
Bourns' CRT-ST series comes in four different footprints from 0402 up to 1206 and have wide resistance values ranging from 1 Ω to 2.49 MΩ.
Model PQ2614BLA, PQ2614BHA, and PQ2617BHA Power Inductors
Bourns' automotive grade model PQ2614BLA, PQ2614BHA, and PQ2617BHA high current shielded power inductor series designed for automotive power conversion.
PWR247T-100 Series High Power Resistors
Bourns’ PWR247T-100 series high power resistors come in a compact TO-247 package and are AEC-Q200 compliant.
Model 2003 Series Gas Discharge Tube
Bourns' Model 2003 series is a 2-electrode GDT designed for use in applications that may be exposed to lightning or other transients.
CDDFN10-3304NA TVS/Steering Diode Array for Ethernet Ports
Bourns' ESD protection product, the model CDDFN10-3304NA, comes in a DFN-10 package and combines a 3.3 V TVS diode with steering diodes to provide protection for four high-speed data lines.
MF-RHT Series Fuses
Bourns’ high temperature polymer PTC materials have a standard operating temperature range up to 125°C.
Bourns’ comprehensive library of design notes, white papers, application notes, technical articles and product guides and catalogs provide in-depth technology information to support your application development needs. Learn More
For your convenience, Bourns offers a variety of PortNote™ solutions and design kits. Learn More
Power Transient Voltage Suppressor Diodes
Duration: 35 minutes
Use Bourn's bidirectional PTVS diodes to protect electronic equipment from damages from high energy transients on AC and DC power lines.
AMS22B Single-Turn Magnetic Position Sensor
Duration: 10 minutes
Saves repair and maintenance costs and provides a reliable and longer lifetime solution compared to traditional contacting single-turn potentiometers.
FW Series Fusible Wirewound Resistors
Unique fusing characteristics of the FW Series allow the resistor to act like a fuse and open, providing applications with protection from inrush current.
EMS22 Non-Contacting Magnetic Encoder
Duration: 5 minutes
A non-contacting magnetic encoder able to produce quadrature, direction/step, absolute, or pulse-width modulation output signals saving costs and space.
Bourns SRR3818A/SRR4818A/SRR4828A | Digi-Key Daily
Inductive components product line from Bourns is introducing three additional shielded power inductor series - SRR3818A, SRR4818A, and SRR4828A.
Introduction to the TBU® High-Speed Protector
A brief introduction to the TBU® High-Speed Protector by Michael Smith, Staff Field Applications Engineer, Circuit Protection Division
Bourns RS 485 Evaluation Board 2
A brief introduction to RS-485 Evaluation Board 1
A brief introduction to RS-485 Evaluation Board 1 by Michael Smith, Staff Field Applications Engineer, Circuit Protection Division
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