Project Parts Reference
Started: 2012.01.22
Revised: 2017.04.14
Revised: 2022.11.01
Here is a list of General Purpose (GP) and commonly used electronic devices.
This list contains suggested components for many electronic projects.
Please note that many of the components listed here have been around for many years and in a number of cases have been superseded with newer components with superior performance. We welcome suggestions for recommended replacements.
But please do not post your comments here.
Please click on this link to post your comments.
General Index
Index 4000 CMOS Digital Logic 7400 TTL Digital Logic Diodes Transistors Comparators Op Amps Voltage Regulators Opto/Photo Components Zener Diodes Miscellaneous Analog Components Miscellaneous Experimenter's Parts List
Spin Offs, Mergers and Acquisitions - In case you are confused:
New Owner | Previous Business | Date
Analog Devices | Linear Technology | Mar 10, 2017
Renesas | Intersil | Feb 24, 2017
Microchip | Atmel | Apr 4, 2016
Keysight Technologies | Agilent < Hewlett-Packard | 2014
ON Semiconductor | Motorola Semiconductor Group | 1999
ON Semiconductor | Fairchild Semiconductor | Sep 19, 2016
Philips Semiconductors | Signetics | 1975
NXP Semiconductor | Philips Semiconductors | Aug 31, 2006
Freescale Semiconductor | Motorola Microprocessors | Oct 6, 2003
NXP Semiconductor | Freescale Semiconductor | Mar 2, 2015
Qualcomm | NXP Semiconductor | Oct 2016
Analog Devices | Maxim Integrated Products | Aug 26, 2021
Maxim Integrated Products| Dallas Semiconductor | 2001
Tektronix (parent Fortive 2016, Danaher Corp 2007)|Keithley Instruments|2010
Texas Instruments | Harris <- RCA CD4000 family of CMOS logic | 1980
Texas Instruments | Burr Brown Corporation | Sept 2000
Texas Instruments | National Semiconductor | Sept 23, 2011
Intel | Altera | June 2015
With the continuing mergers, acquisitions and consolidation in the semiconductor industry the list of major semiconductor manufacturers is getting shorter:
Analog Devices
NXP Semiconductor
ON Semiconductor
STMicroelectronics
Texas Instruments
Manufacturers of ICs and their logos

Here is a pdf of manufacturer logos:
https://www.westfloridacomponents.com/mm5/graphics/manufacturer-logos.pdf
This post contains links to more detailed lists of components.
An excel attachment with transistor specifications:
http://forum.allaboutcircuits.com/sh...4&postcount=16
Typical component values and coding explanations:
http://www.logwell.com/tech/componen...ification.html
Cross reference for part replacement
http://www.semiconductorsdevices.com/news/
http://english.electronica-pt.com/db...-reference.php
http://partcross.com/
http://matthieu.benoit.free.fr/cross.htm
SMD Marking Code Lookup
https://smd.yooneed.one/
https://www.s-manuals.com/smd
https://www.sphere.bc.ca/download/smd-codebook.pdf
Resistor Color Codes - instant calculator
4-band 5-band 6-band
Standard Resistor Tables
http://www.eeweb.com/toolbox/resistor-tables
http://www.logwell.com/tech/components/resistor_values.html
Electrical Symbols
http://www.rapidtables.com/electric/electrical_symbols.htm
Package and PCB Resources
http://www.analog.com/en/pcb-design-resources/content/pcb_design_resources/fca.html
Op Amp Application and Design Notes
Op Amp Applications Handbook, edited by Walter Jung (2002) - Analog Devices
This is the most complete analysis of every op amp application.
http://www.analog.com/library/analogDialogue/archives/39-05/op_amp_applications_handbook.html
Op Amps for Everyone, Texas Instruments
Chapter 11: Understanding Op Amps Parameters
(the rest of the free e-book is a popular treatment of Op Amps at the intermediate level)
(464 pages, 2MB, pdf)
www.ti.com/lit/an/slod006b/slod006b.pdf
AN 722 Operational Amplifiers Topologies and DC Specifications, Microchip (12 pages, 224KB, pdf)
http://ww1.microchip.com/downloads/e...tes/00722a.pdf
AN 723 Operational Amplifier AC Specifications and Applications, Microchip (10 pages, 342KB, pdf)
http://ww1.microchip.com/downloads/e...tes/00723a.pdf
AN 1957 Avoiding Noise and Power Problems with Unused Op Amps, Maxim (4 pages, 38KB, pdf)
What to do with unused Op Amp.
http://pdfserv.maxim-ic.com/en/an/AN1957.pdf
Miscellaneous Application and Design Notes
Unregulated Power Supply Design
http://www.zen22142.zen.co.uk/Design/dcpsu.htm
Switch Mode Power Supply Design, Fairchild Semiconductor AN-6076 ( 13 pages, 500KB, pdf)
Design and Application Guide of Bootstrap Circuit for High-Voltage Gate-Drive IC
http://www.fairchildsemi.com/an/AN/AN-6076.pdf
National Semiconductor Application Notes - Complete Listing and Links
http://my.ece.ucsb.edu/York/Bobsclass/2C/Tutorials/application_notes.htm
Flip-Flop Basics
http://wearcam.org/ece385/lectureflipflops/flipflops/
Stepping Motor Basics
http://embeddedshare.blogspot.in/2012/01/stepper-motors-basics.html
Parts Search
Searching for parts
http://www.findchips.com/
Electronic component search engine, with parametric search:
http://octopart.com/
Started: 2012.01.22
Revised: 2017.04.14
Revised: 2022.11.01
Here is a list of General Purpose (GP) and commonly used electronic devices.
This list contains suggested components for many electronic projects.
Please note that many of the components listed here have been around for many years and in a number of cases have been superseded with newer components with superior performance. We welcome suggestions for recommended replacements.
But please do not post your comments here.
Please click on this link to post your comments.
General Index
Index 4000 CMOS Digital Logic 7400 TTL Digital Logic Diodes Transistors Comparators Op Amps Voltage Regulators Opto/Photo Components Zener Diodes Miscellaneous Analog Components Miscellaneous Experimenter's Parts List
Spin Offs, Mergers and Acquisitions - In case you are confused:
New Owner | Previous Business | Date
Analog Devices | Linear Technology | Mar 10, 2017
Renesas | Intersil | Feb 24, 2017
Microchip | Atmel | Apr 4, 2016
Keysight Technologies | Agilent < Hewlett-Packard | 2014
ON Semiconductor | Motorola Semiconductor Group | 1999
ON Semiconductor | Fairchild Semiconductor | Sep 19, 2016
Philips Semiconductors | Signetics | 1975
NXP Semiconductor | Philips Semiconductors | Aug 31, 2006
Freescale Semiconductor | Motorola Microprocessors | Oct 6, 2003
NXP Semiconductor | Freescale Semiconductor | Mar 2, 2015
Qualcomm | NXP Semiconductor | Oct 2016
Analog Devices | Maxim Integrated Products | Aug 26, 2021
Maxim Integrated Products| Dallas Semiconductor | 2001
Tektronix (parent Fortive 2016, Danaher Corp 2007)|Keithley Instruments|2010
Texas Instruments | Harris <- RCA CD4000 family of CMOS logic | 1980
Texas Instruments | Burr Brown Corporation | Sept 2000
Texas Instruments | National Semiconductor | Sept 23, 2011
Intel | Altera | June 2015
With the continuing mergers, acquisitions and consolidation in the semiconductor industry the list of major semiconductor manufacturers is getting shorter:
Analog Devices
NXP Semiconductor
ON Semiconductor
STMicroelectronics
Texas Instruments
Manufacturers of ICs and their logos

Here is a pdf of manufacturer logos:
https://www.westfloridacomponents.com/mm5/graphics/manufacturer-logos.pdf
This post contains links to more detailed lists of components.
An excel attachment with transistor specifications:
http://forum.allaboutcircuits.com/sh...4&postcount=16
Typical component values and coding explanations:
http://www.logwell.com/tech/componen...ification.html
Cross reference for part replacement
http://www.semiconductorsdevices.com/news/
http://english.electronica-pt.com/db...-reference.php
http://partcross.com/
http://matthieu.benoit.free.fr/cross.htm
SMD Marking Code Lookup
https://smd.yooneed.one/
https://www.s-manuals.com/smd
https://www.sphere.bc.ca/download/smd-codebook.pdf
Resistor Color Codes - instant calculator
4-band 5-band 6-band
Standard Resistor Tables
http://www.eeweb.com/toolbox/resistor-tables
http://www.logwell.com/tech/components/resistor_values.html
Electrical Symbols
http://www.rapidtables.com/electric/electrical_symbols.htm
Package and PCB Resources
http://www.analog.com/en/pcb-design-resources/content/pcb_design_resources/fca.html
Op Amp Application and Design Notes
Op Amp Applications Handbook, edited by Walter Jung (2002) - Analog Devices
This is the most complete analysis of every op amp application.
http://www.analog.com/library/analogDialogue/archives/39-05/op_amp_applications_handbook.html
Op Amps for Everyone, Texas Instruments
Chapter 11: Understanding Op Amps Parameters
(the rest of the free e-book is a popular treatment of Op Amps at the intermediate level)
(464 pages, 2MB, pdf)
www.ti.com/lit/an/slod006b/slod006b.pdf
AN 722 Operational Amplifiers Topologies and DC Specifications, Microchip (12 pages, 224KB, pdf)
http://ww1.microchip.com/downloads/e...tes/00722a.pdf
AN 723 Operational Amplifier AC Specifications and Applications, Microchip (10 pages, 342KB, pdf)
http://ww1.microchip.com/downloads/e...tes/00723a.pdf
AN 1957 Avoiding Noise and Power Problems with Unused Op Amps, Maxim (4 pages, 38KB, pdf)
What to do with unused Op Amp.
http://pdfserv.maxim-ic.com/en/an/AN1957.pdf
Miscellaneous Application and Design Notes
Unregulated Power Supply Design
http://www.zen22142.zen.co.uk/Design/dcpsu.htm
Switch Mode Power Supply Design, Fairchild Semiconductor AN-6076 ( 13 pages, 500KB, pdf)
Design and Application Guide of Bootstrap Circuit for High-Voltage Gate-Drive IC
http://www.fairchildsemi.com/an/AN/AN-6076.pdf
National Semiconductor Application Notes - Complete Listing and Links
http://my.ece.ucsb.edu/York/Bobsclass/2C/Tutorials/application_notes.htm
Flip-Flop Basics
http://wearcam.org/ece385/lectureflipflops/flipflops/
Stepping Motor Basics
http://embeddedshare.blogspot.in/2012/01/stepper-motors-basics.html
Parts Search
Searching for parts
http://www.findchips.com/
Electronic component search engine, with parametric search:
http://octopart.com/
Last edited: