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Calculators
Resistance
Capacitance
Inductance
- Inductor Code Calculator
Other
If you find these calculators useful then why not download Electronics Assistant ?

Electronics Assistant includes all these calculators and more in a stand-alone Windows application. Preferred resistor & capacitor values can be calculated for E6 to E192 series, and calculation results can be printed or saved.
Software
- Electronics Assistant
- EPE Index
- Evil Genius - Resistor Attack
- Stopwatch with split / lap time functions and 1 millisecond resolution
Links to more software can be found here.
Technical Data
Articles
Pin-outs
Connectors
- 12N / 12S (Used on trailers, caravans etc.)
- Banana (Used on test leads etc.)
- BNC
- Car Cigarette Lighter Connectors
- Coax (TV / Radio aerial connector)
- D Type (Mutipole, commonly used on computers etc.)
- DC Power Connectors (Barrel type)
- DIN
- F (Satellite etc.)
- FCC68 Modular Connectors - Used on telephones and computers.
- IEC (Mains "Kettle Plug" type)
- Jack (All sizes)
- Mini DIN (PS/2, S-Video etc.)
- N
- Phono (Audio Connector)
- P552/1 (8 pin as used on disco lighting etc.)
- R.F. Connectors
- RJxx (RJ45 etc. - Used on computer networks and telephones)
- SCART (Audio Video connector)
- Socapex
- Speakon
- TNC
- USB (Coming soon)
- XLR
Components
Beginners Guide
Not sure where to start? Take a look at our beginners guide to getting started in the world of electronics.
Includes guides on tools, soldering, choosing & constructing a kit, troubleshooting and more.

Articles
Forum
Links
Categories
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FAQ
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Links - Design & Manufacturing

ChipXRef - Online chip cross reference. Includes advanced search facilities to easily locate the information you need.
Datasheet Archive - Archive of over 6 million electronic component datasheets.
DatasheetDir.com - Search engine for electronic component datasheets.
DatasheetDirect - Online library of free downloadable datasheets.
Express PCB - PCB manufacturing service with fast delivery and free schematic / PCB software to allow easy online ordering.
Garner Osborne PCBs - UK manufacturers of PCBs offering 24 hour to 10 day turn-around times as well as prototype design and assembly services.
GN Systems - Based in Bolton, UK offering electronic design and assembly including PIC development and programming. ISO9002 certified.
Kingfield Electronics - Contract manufacturing assembly and test of PCBs and complete systems.
MicroST - Italian company offering electronic design & consulting services. Site includes articles and tutorials.
PCB Pool (Beta Layout) - Low cost PCB & laser stencil manufacturing. Orders are combined onto a single panel for manufacturing to reduce costs and set-up charges. Highly recommended, especially for small quantities / protypes.
Pad2Pad.com - PCB manufacture and assembly. Site includes free software allowing boards to be designed and directly ordered online.
Quantum CAD - UK company offering electronic and PCB design services, fabrication and assembly, consultancy, training and other services.
Speedy PCB - US company offering rigid and flexible PCB manufacture up to 20 layers. Site includes online quotation request form.
Tempero Systems- Australian business specialising in Ethernet and USB connected I/O controllers, embedded micro-contrroller design and development.

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