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Where to buy resistors

Metal film resistors Resistors are the most used components in electronic circuits -- you can never have enough of them! They are extremely cheap, and for this reason are usually sold in packages of 5, 10, 20 or more. If you are into hobby electronics, buying a good assortment of 5% and 1% resistors is usually cheaper than buying individual resistors.

There are a lot of sites selling components and to research them all is a daunting task. To make your job easier, we have compiled a small list of online stores selling resistors, with links to the relevant section, where possible.

Amazon.com: carries many resistors including carbon and metal film, from 1/4W to several Watts from Garrett Electronics, Parts Express, IEC, MILLS, Dayton, etc. and a few resistor kits:

365 pc. 5% carbon film Resistor Kit by Elenco
  • 365 pc. Resistor Kit by Elenco, containing 5 each of 73 standard values from 1ohm to 1Mohm, 1/2W.
  • 100 each of 482 values, 1% Thru-Hole Resistor Kit by KOA Speer. METAL FILM 1/4W 1% Jmpr+10-1M E96 Series MF1/4DC. Supplied as Bulk 3x4 Bags in 4-20 Drawer Cabinets, RoHS.
5% Thru-Hole Resistor Kit by KOA Speer
  • 50 each of 90 values, 5% Thru-Hole Resistor Kit by KOA Speer, CARBON FILM 1/4W 5%, (E24) Jmpr+1.0-22M Series CF1/4. Supplied in a 45 Drawer Cabinet.
  • 86 Value 860 Pc. Resistor Kit by Joe Knows Electronics. 1/4W Carbon Film Resistors, 10 Each of 86 Resistor Values from 0 - 10M ohm, E24 series.
  • 5 each of 289 values, Surface Mount Resistor Kit by Vishay-Beyschlag, 0603 0.1% 25ppm, E96, 100-100K Series MCT0603. Supplied as Bulk-2"dia Box in a 20 Drawer Cabinet, RoHS.
  • 100 each of 250 values, 1% SMD Thick Film Resistor Kit by Vishay-Dale. 1206 1% (E96), Jmpr+10-1M Series CRCW1206. Supplied as Tape-3x4 Bags in Notebook, RoHS
  • More through-hole and surface mount resistor kits

MCMelectronics.com: a large selection of carbon, metal film, flameproof and wirewound resistors and a few resistor kits.

Resistor Kit Radioshack.com: various resistors here in 5-pack packages, and a few resistor assortments such as this 500-Piece 1/4-Watt 5% Carbon-Film Resistor kit and this 50-Piece 1/4-Watt 1% Metal-Film Resistor Kit.

Non-inductive Mills resistor Parts-Express.com: carries mainly power resistors: 1/2W and 1W flameproof, 5W, 10W and 20W wire wound resistors plus a selection of non-inductive wire wound resistors designed for high-end audio applications, perfect for use in crossover networks.

Ebay.com: eBay is a great place for cheap or hard-to-find components. Resistors are no exception -- a quick search on resistors reveals a lot of listings.

There are also a handful of stores specializing in cheap electronic components from China, Thaiwan, Hong Kong, US, etc., usually with worldwide shipping. For example, see Thai Shop Etc (shipping from Bangkok, Thailand), Eric Cheung Electronic (Hong Kong) and Electronic Parts Warehouse (United States) and many more.

Maplin.co.uk: Maplin Electronics Ltd ships only to UK, Channel Islands and the Republic of Ireland. The online store stocks a wide range of resistors: metal film, high power wirewound and a few resistor packs.

Other stores: Rapid Electronics Limited (UK), Farnell (UK), Digi-Key, Frys, Mouser...

See also:

Where to buy capacitors and LEDs online

Resistor color code calculator

Standard resistor color code examples:

E12: .1Ω-.82Ω, 1Ω-8.2Ω, 10Ω-82Ω, 100Ω-820Ω, 1k-8.2k, 10k-82k, 100k-820k, 1M-8.2M.
E24 series - E24 series (5%) - color codes, shorthand notation and tolerance range.
E48 series - E48 series (2%) - color codes, shorthand notation and tolerance range.

Surface mount resistor code calculator

SMD resistor code examples: 3-digit, 4-digit and EIA-96.