Push Button LEDs

Push button LEDs are a type of component that connects two different points in a circuit. When pressed these switch on an LED.

Structure of push button LEDs

Push button LEDs have a structure made up of four legs; two on one side and two on the other. The two legs on either side connect internally when the push button is pressed, allowing electricity to flow through the circuit.

How do push button LEDs work?

A single leg of the push button is connected via a 5v supply and the other one is connected with an LED via a resistor. When in neutral (i.e. not pushed) the push button does not allow the current to flow through it, but when it is pressed it completes the circuit and the LED will start to glow. The current will flow all the while when the push button is pressed. As soon as it is released, the LED will be turned off as the push-button breaks the circuit and stops the supply of electricity.


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Description Price Accessory Type For Use With LED Colour
RS Stock No. 352-755
Mfr. Part No.LAD-SR
BrandIdec
£1.778
Each (In a Pack of 5)
Units
LED A8 Series Red
RS Stock No. 352-733
Mfr. Part No.LAD-SY
BrandIdec
£1.778
Each (In a Pack of 5)
Units
LED A8 Series Yellow
RS Stock No. 745-0468
Mfr. Part No.3SB3901-1CG
BrandSiemens
£12.45
Each
Units
LED 3SB3 Series Red
RS Stock No. 125-1723
Mfr. Part No.AT631B
£5.98
Each
Units
LED KB Series Miniature Pushbuttons, LB Series Standard Size Panel Seal Pushbuttons, LB Series Standard Size Snap-in Pushbuttons, YB Series Short Body Pushbuttons, YB2 Series Panel Seal Pushbuttons White
RS Stock No. 125-1725
Mfr. Part No.AT635F
£1.186
Each (In a Bag of 5)
Units
LED KB Series Pushbuttons Green
RS Stock No. 125-1720
Mfr. Part No.AT627F24
£7.11
Each
Units
LED LB Series Pushbuttons Green
RS Stock No. 125-1722
Mfr. Part No.AT627D24
£7.11
Each
Units
LED LB Series Pushbuttons Amber
RS Stock No. 125-1726
Mfr. Part No.AT635C
£1.196
Each (In a Bag of 5)
Units
LED KB Series Pushbuttons Red
RS Stock No. 125-1719
Mfr. Part No.AT625G
£5.98
Each
Units
LED KB Series Miniature Pushbuttons, LB Series Standard Size Panel Seal Pushbuttons, LB Series Standard Size Snap-in Pushbuttons, YB Series Short Body Pushbuttons, YB2 Series Panel Seal Pushbuttons Blue
New
RS Stock No. 196-0311
Mfr. Part No.AT636F24
£5.73
Each
Units
Bright Single Element LED YB2 Green
RS Stock No. 181-7093
Mfr. Part No.AT621CF02
£5.23
Each
Units
LED YB Series Red/Green
New
RS Stock No. 196-0316
Mfr. Part No.AT627D05
£7.42
Each
Units
LED 4 element LB Amber
New
RS Stock No. 195-9495
Mfr. Part No.AT627F12
£7.73
Each
Units
Bright LB series Green
New
RS Stock No. 196-0312
Mfr. Part No.AT634F12
£5.03
Each
Units
Bright 2- or 4-Element LED KB/YB Green
RS Stock No. 181-7096
Mfr. Part No.AT634D05
£5.23
Each
Units
LED KB Series, YB Series, YB2 Series Amber
New
RS Stock No. 200-4233
Mfr. Part No.84-8001.9620
BrandEAO
£13.70
Each
Units
Illumination Element 84 Series White
New
RS Stock No. 196-0315
Mfr. Part No.AT627D12
£7.42
Each
Units
Bright 4-Element LED LB Amber
RS Stock No. 181-7095
Mfr. Part No.AT634C05
£5.23
Each
Units
LED KB Series, YB Series, YB2 Series Red
New
RS Stock No. 195-9499
Mfr. Part No.AT627C12
£7.09
Each
Units
Bright LB series Red
New
RS Stock No. 196-0317
Mfr. Part No.AT621CF24
£5.40
Each
Units
6-element Bicolor LED YB Red/Green
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