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Components

There are literally millions of passive and active electronic components, we stock the best and most popular for use in your projects.

Active electronic components in this category include analog to digital converters, voltage regulators, diodes, transistors and opto-isolators. The passive electronics components in this category comprise of super capacitors, resistors and potentiometers.

We have a great selection of the most popular programmable PIC micro controllers including ATMEL MCUs.

We stock the most commonly used switches and buttons, from big dome push buttons and arcade buttons to tactile switches and micro switches, plus a staggering array of LEDs.

  • 5V Step-Up/step-Down Voltage Regulator S7V8F5 - Active Components

    5V Step-Up/Step-Down Voltage Regulator S7V8F5

    Pololu
    £11.81 inc VAT
    £9.84 ex VAT
    1 review

    DESCRIPTION The Pololu step-up/step-down voltage regulator S7V8F5 is a switching regulator (also called a switched-mode power supply (SMPS) or DC-t...

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    £11.81 inc VAT
    £9.84 ex VAT
  • Concave Arcade Button - Green - Buttons
    Save 68%

    Concave Arcade Button - Green

    Generic / OEM
    £1.54 inc VAT
    £0.50 inc VAT
    £0.42 ex VAT
    2 reviews

    DESCRIPTIONThis is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. ...

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    £1.54 inc VAT
    £0.50 inc VAT
    £0.42 ex VAT
    Save 68%
  • Diode 1N4001 - Active Components
    Save 42%

    Diode 1N4001

    Generic / OEM
    £0.12 inc VAT
    £0.07 inc VAT
    £0.06 ex VAT
    1 review

    DESCRIPTION A hardy 1A, 1000V diode. Useful for pretty much any simple application. FEATURES Voltage, Vrrm: 50V Current, If AV: 1A Current, Ifsm: ...

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    £0.12 inc VAT
    £0.07 inc VAT
    £0.06 ex VAT
    Save 42%
  • Analog/digital Mux Breakout (Bob-09056) - Active Components
    Save 22%

    Analog/Digital MUX Breakout (BOB-09056)

    SparkFun
    £5.87 inc VAT
    £4.57 inc VAT
    £3.81 ex VAT

    DESCRIPTION This is a breakout board for the very handy 16-Channel Analogue/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rota...

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    £5.87 inc VAT
    £4.57 inc VAT
    £3.81 ex VAT
    Save 22%
  • 3.3V Step-Up/step-Down Voltage Regulator S7V8F3 - Active Components

    3.3V Step-Up/Step-Down Voltage Regulator S7V8F3

    Pololu
    £6.99 inc VAT
    £5.83 ex VAT
    1 review

    DESCRIPTION This step-up/step-down voltage regulator S7V8F3 is a switching regulator (also called a switched-mode power supply (SMPS) or DC-to-DC c...

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    £6.99 inc VAT
    £5.83 ex VAT
  • Big Dome Push Button - Red With Clear Case Rim - Buttons
    Sold out

    Big Dome Push Button - Red with Clear Case Rim

    Cool Components
    £7.99 inc VAT
    £6.66 ex VAT

    DESCRIPTION It's the end of the world, and you need a button to press. This is it. A 98mm (outside diameter) dome illuminated push button with a cl...

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    £7.99 inc VAT
    £6.66 ex VAT
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  • Thumb Joystick - Buttons

    Thumb Joystick

    Generic / OEM
    £3.36 inc VAT
    £2.80 ex VAT

    DESCRIPTION This is a joystick very similar to the 'analogue' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simply two p...

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    £3.36 inc VAT
    £2.80 ex VAT
  • Tactile Button Assortment - Buttons

    Tactile Button Assortment

    Generic / OEM
    £6.13 inc VAT
    £5.11 ex VAT

    DESCRIPTION These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colours for a total of ...

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    £6.13 inc VAT
    £5.11 ex VAT
  • Concave Arcade Button - White - Buttons
    Sold out

    Concave Arcade Button - White

    Generic / OEM
    £1.54 inc VAT
    £1.28 ex VAT
    1 review

    DESCRIPTION This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing....

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    £1.54 inc VAT
    £1.28 ex VAT
    Sold out
  • Mini Illuminated Momentary Pushbutton - Blue Power Symbol - Switches
    Save 24%

    Mini Illuminated Momentary Pushbutton - Blue Power Symbol

    Generic / OEM
    £1.96 inc VAT
    £1.48 inc VAT
    £1.23 ex VAT

    DESCRIPTION This mini illuminated momentary power button with a blue power symbol is a breadboard-friendly tactile switch that has a built-in LED. ...

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    £1.96 inc VAT
    £1.48 inc VAT
    £1.23 ex VAT
    Save 24%
  • Concave Arcade Button - Blue - Buttons
    Sold out

    Concave Arcade Button - Blue

    Generic / OEM
    £1.54 inc VAT
    £1.28 ex VAT

    DESCRIPTION This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing....

    View full details
    £1.54 inc VAT
    £1.28 ex VAT
    Sold out
  • Concave Arcade Button - Yellow - Buttons
    Save 68%

    Concave Arcade Button - Yellow

    Generic / OEM
    £1.54 inc VAT
    £0.50 inc VAT
    £0.42 ex VAT
    1 review

    DESCRIPTION This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing....

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    £1.54 inc VAT
    £0.50 inc VAT
    £0.42 ex VAT
    Save 68%
  • Voltage Regulator - 3.3V - Active Components
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    Voltage Regulator - 3.3V

    Generic / OEM
    £1.19 inc VAT
    £0.99 ex VAT

    DESCRIPTION This is the LD1117V33, a basic voltage regulator in the TO-220 package. Perfect for low voltage 3.3V parts. RESOURCES Datasheet

    £1.19 inc VAT
    £0.99 ex VAT
    Sold out
  • Mini Microswitch - Spdt (Offset Lever 2-Pack) - Switches

    Mini Microswitch - SPDT (Offset Lever, 2-Pack)

    Generic / OEM
    £3.36 inc VAT
    £2.80 ex VAT
    4 reviews

    DESCRIPTION This is a 3-terminal microswitch two pack, each equipped with a 20mm offset lever actuator. These switches have a great 'clicky' sound ...

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    £3.36 inc VAT
    £2.80 ex VAT
  • Cold Splice Wire Tap (Ub) - Wire-Tap Splice - Connectors
    Save 77%

    Cold Splice Wire Tap (UB) - Wire-tap Splice

    Generic / OEM
    £0.22 inc VAT
    £0.05 inc VAT
    £0.04 ex VAT

    DESCRIPTION Kiss those days of heat-shrink, melted jacketing and clumsily-arranged third-hand tools goodbye! Go 'cold splice' with these snap-able ...

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    £0.22 inc VAT
    £0.05 inc VAT
    £0.04 ex VAT
    Save 77%
  • 8-Channel Bi-Directional Logic Level Converter - Txb0108 (Id: 395) - Active Components

    8-channel Bi-directional Logic Level Converter - TXB0108 (ID: 395)

    Adafruit
    £7.94 inc VAT
    £6.62 ex VAT
    3 reviews

    DESCRIPTION Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many make...

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    £7.94 inc VAT
    £6.62 ex VAT
  • 5V 9A Step-Down Voltage Regulator D24V90F5 - Active Components
    Sold out

    5V, 9A Step-Down Voltage Regulator D24V90F5

    Pololu
    £27.99 inc VAT
    £23.33 ex VAT
    2 reviews

    DESCRIPTION This synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 5 V while ...

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    £27.99 inc VAT
    £23.33 ex VAT
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  • Softpot Membrane Potentiometer - 200Mm - Passive Components
    Sold out

    SoftPot Membrane Potentiometer - 200mm

    Generic / OEM
    £15.49 inc VAT
    £12.91 ex VAT
    1 review

    DESCRIPTION These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes from 100O...

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    £15.49 inc VAT
    £12.91 ex VAT
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  • Opto-Isolator Breakout (Bob-09118) - Active Components

    Opto-isolator Breakout (BOB-09118)

    SparkFun
    £5.34 inc VAT
    £4.45 ex VAT
    1 review

    DESCRIPTION This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high...

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    £5.34 inc VAT
    £4.45 ex VAT
  • Led - Red 3Mm - Leds
    Save 50%

    LED - Red 3mm

    Generic / OEM
    £0.08 inc VAT
    £0.04 inc VAT
    £0.03 ex VAT

    DESCRIPTIONBasic, bog standard 3mm Red LED. Ideal for visual display of power, data, or just to make sure that a logic output is doing what it shou...

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    £0.08 inc VAT
    £0.04 inc VAT
    £0.03 ex VAT
    Save 50%
  • Led - Blue 3Mm - Leds

    LED - Blue 3mm

    Generic / OEM
    £0.08 inc VAT
    £0.07 ex VAT

    DESCRIPTION LED, 3MM, BLUE LED / Lamp Size:3mm / T-1 LED Colour:Blue Typ Luminous Intensity:800mcd Viewing Angle:60° Forward Current:20mA Voltage,...

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    £0.08 inc VAT
    £0.07 ex VAT
  • Audio Jack 3.5Mm - Components

    Audio Jack 3.5mm

    Generic / OEM
    £0.79 inc VAT
    £0.66 ex VAT

    DESCRIPTION Low profile 3.5mm stereo audio jack that can be inserted into breadboards (can be stiff as pins are flat, not round). RESOURCES Audio...

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    £0.79 inc VAT
    £0.66 ex VAT
  • I2C Non-Volatile Fram Breakout - 256Kbit / 32Kbyte (Id: 1895) - Active Components

    I2C Non-Volatile FRAM Breakout - 256Kbit / 32KByte (ID: 1895)

    Adafruit
    £10.79 inc VAT
    £8.99 ex VAT
    1 review

    DESCRIPTION FRAM, or Ferroelectric Ram, is the coolest new data storage method that all fashion magazines are talking about. Oh, wait, no that's qu...

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    £10.79 inc VAT
    £8.99 ex VAT
  • Concave Arcade Button - Black - Buttons
    Sold out

    Concave Arcade Button - Black

    Generic / OEM
    £1.54 inc VAT
    £1.28 ex VAT
    2 reviews

    DESCRIPTIONThis is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. ...

    View full details
    £1.54 inc VAT
    £1.28 ex VAT
    Sold out