3A 250V Green Push Button Lock Type ESP Boards Long-life compare as bulbs indicators

Long-life compare as bulbs indicators

It's a 10 x 3mm Neodymium Magnet in cylindrical shape

These are Metal Film Resistor with a value of 47 ohm 2W and tolerance of ±5%

The BC857 transistor is a PNP general-purpose transistor

3A 250V Green Push Button Lock Type ESP Boards Long-life compare as bulbs indicatorsThe ON OFF Locking type push switch is used in control circuits for controlling the contactor, relay, electromagnetic starter, and other electronic circuits. This switch can also be widely used in car or home latching types. This switch is turned on when push down and turned off when push down again. This is a locking type switch. Specification Voltage Current Rating 3A @250V Colour Green & Black Type Self Lock Type Button Diameter 12mm Dimension 40mm