Bourns, Inc. - 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. More...

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.  Less...

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Digi-Key’s library of more than 900 exclusive PTM Online… On Demand® product training modules is a collection of training tools created with you – the busy design engineer – in mind. They are provided with the cooperation of participating supplier partners. From this one source, you can learn about the latest products and technologies, download datasheets, check inventory, contact our technical staff, and place an order for same-day shipment.

These modules are available in audio and non-audio formats and listed by supplier in easy-to-find alphabetical order. Simply locate the module that interests you and click on your format of choice. We hope you find these tools useful, and with new modules added continuously, we invite you to stop back often to see what’s new.


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Module NameAudioNon-AudioDurationParts List
  • ESD Protection Products
6.2MB2.0MB15 minParts List
  • Gas Discharge Tubes
5.8MB1.7MB10 minParts List
New PTM
  • Magnetic Product Overview
4.4MB1.5MB10 minParts List
  • Multifuse® Resettable fuses
3.7MB704KB15 minParts List
  • Power Resistor
2.6MB302KB10 minParts List
  • Rotary Position Sensor - Model 3382
1.6MB300KB5 minParts List
  • SinglFuse™ Thin Film Chip Fuses
2.1MB382KB10 minParts List
  • TBU™ Electronic Current Limiter
3.2MB590KB10 minParts List
  • Thick Film PWR263S-20 Power Resistor
1.7MB396KB5 minParts List

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Bourns - MF-SD013/250 PTC Resettable FusesMF-SD013/250 PTC Resettable Fuses Bourns' MF-SD013/250 is a surface mount device containing twin 250V polymer PTC resettable fuses. This product builds on the very successful MF-SM013/250 device by packaging two of these devices into the same housing, reducing customer circuit board area by more than 50percent. The MF-SD013/250 provides tip and ring overcurrent protection and aids compliance with ITU-T K.20, K.21, and K.45 as well as Telcordia GR-1089 intra-building. The product can be used as part of an overall circuit protection solution utilizing a combination of other circuit protection products.  More...

Product Information

Resistive Products
Circuit Protection Products
Diodes
Magnetic Products
Sensors & Controls
Switches
Transistors & Thyristors

Brochures and Catalogs

Corporate
Bourns® Product Profile Brochure
Bourns® RoHS Roadmap
Bourns® Date Code Summary

Chip Diodes
Brochures & Catalogs
Diode Short Form Catalog
ESD Protection & Impulse Protection Short Form Catalog
Application Notes
Chip Diode Application Note
Designer’s Guide to Chip Resistors, Chip Diodes & Power Chokes for Power Supplies & DC-DC Converters

Chip Resistors & Arrays
Brochures & Catalogs
Chip Resistors & Arrays Short Form Catalog
Application Notes
CAT16-PC5F12LF Application Note
CRL Application Note
Use of the Low Ohmic Resistor CRA2512 in Inverter Drives Application Note

ChipGuard®
Brochures & Catalogs
ChipGuard® Short Form Catalog
ESD Protection & Impulse Protection Short Form Catalog
Application Notes
Protecting High-Speed Communication Ports

Gas Discharge Tubes
Publications
First Principles of a Gas Discharge Tube (GDT) Primary Protector
GDT Protection Solutions for ADSL and ADSL+2 Solution

Inductive Components
Brochures & Catalogs
Inductive Component Solutions
JW Miller® Magnetics Catalog
Application Notes
Bourns® Product Inductors for Industrial Applications

Linear Motion Potentiometers
Application Notes
Linear Motion Potentiometers Applications Note
Linear Motion Potentiometers 3046 & 3048 Application Note

Modular Contacts
Application Notes
Bourns® Trimpot® 70AA Modular Contacts

Multifuse® PPTC Resettable Fuses
Brochures & Catalogs
Bourns® Multifuse® Resettable Fuses – Polymer PTC & Ceramic PTC Short Form Brochure
Bourns® Multifuse® Automotive Short Form Brochure
Application Notes
Resettable PTC Thermistors for Medical Equipment
Resettable PTC Thermistors for Industrial Protection
White Papers
Preventing Component Circuit Damage from Above Range Current with Reliable Overcurrent Protection

Networks
Brochures & Catalogs
Resistor Networks Short Form Catalog
Application Notes
Use of the Low Ohmic Resistor CRA2512 Inverter Drives
Designer’s Guide to Chip Resistors, Chip Diodes & Power Chokes for Power Supplies & DC-DC Converters
Automotive, Industrial & Instrumentation Application Note
Current Regulation and Circuit Protection using Low Ohmic Chip Resistors

Power Resistors
Brochures & Catalogs
Bourns® RF Power Resistors Short Form
Bourns® Power Resistors Short Form Brochure
Application Notes
CHF Range of Power RF Terminations
PWR220 Series Application Note
General Application Note – PWR Series Power Resistors

SinglFuse™
Brochures & Catalogs
Bourns® SinglFuse™ Short Form Brochure

Switches
Brochures & Catalogs
Bourns® Switch Selection Matrix

Telecom Circuit Protection
Brochures & Catalogs
Bourns® Solutions for Telecom Short Form Brochure
Telecom Circuit Protection Selection Guide
Application Notes
Reference Design: Protecting Legerity Subscriber Line Interface Circuits (SLICS) with Bourns® TISP® Protector Products
Reference Design: Protecting Silicon Laboratories ProSLIC Family in Telephony Applications with Bourns® Circuit Protection Products
Protecting Ethernet Solutions Against Lightning Disturbances
Technical Articles
GR-1089-CORE, Issue 4: Equipment Port Types
GR-1089-CORE, Issue 4: Agreed, Integrated and Embedded Primary Protection

Transient Blocking Units
Brochures & Catalogs
Bourns® TBU™ High-Speed Electronic Current Limiter Short Form Brochure
Application Notes
Generator Interface Protection
Cell Phone Base Station Protection Application

Trimmers
Brochures & Catalogs
Trimpot® Product Catalog
Consumer Trimmer Short Form Brochure
Sealed SMD Cermet Trimming Potentiometers Short Form Brochure
Bourns® Sealed Through-Hole Cermet Trimming Potentiometers Short Form Brochure
Trimmer Primer
The Potentiometer Handbook
Application Notes
TC33B Application Note
Multiturn vs. Single-Turn Application Note
Security Housing Application Note
Hearing Aid
Effects of Setting the Wiper at End Set on Cermet Resistors
Inductive Proximity Switch
Bar Code Scanners
Bourns, Inc.
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