12x12x8mm Tactile Push Button 40xxit's a 12x12x8mm Tactile Push Button 40xx package. The pins are normally open (disconnected) and when the button is pressed they are momentarily closed. Features Up to 1 Million operations Actuation force of 1. 6N to 2. 5N Small PCB footprint Low profile 0. 25 Actuation travel Operating temperatures of 35 up to +85 Switches SPST Switches Tactile Switches Push Button 40xx 12mm Button Momentary switch 4 pin Tactile Switch Specification Package 40xx

IGBT/MOSFET gate drive

50 pieces per string

Practice Board

Battery: 2016 Button Battery

5% Operating Temperature -30°C to 70°C Size 159x97x30mm

It is a device that is controlled by the current

It's a 560k ohm resistor of 1/4 watt

Blue: 460nm Forward Voltage Red(2 - 2

These are Metal Film Resistor with a value of 820k ohm 1/4W and tolerance of ±1%

Output Current 3A

8k ohm 1/8W and tolerance of ±5%

Such battery holders are commonly used in flashlight holders