4PDT Keypad Switches 2

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Part	RoHS	Manufacturer	Switch Type	Mounting Feature	Switch Function	Type (Actuator)	Contact Function	Solderability	AC Maximum Rating R Load (Contact)	Center Contact Plating	Color (Actuator)	Housing Material	Body Color	No. of Switches	Angle (Actuator)	Dielectric Withstand Volts (V)	Terminal Material	Electrical Life	DC Maximum Power Rating R Load (Contact)	Illumination	Insulation Resistance	Circuit Config	Packing Method	Maximum Contact Bounce Time	Body Length/Diameter	Body Width	Length (Bushing)	Sealing	Contact Timing	Maximum Operating Force	Insulator Material	End Contact Plating	Body Height	DC Maximum Rating R Load (Contact)	Finish (Actuator)	Washability	Maximum Operating Temperature	Maximum AC Contact Current	Center Contact Material	Minimum Operating Temperature	Length (Actuator)	Terminal Finish	Switch Action	Maximum DC Contact Current	Termination Type	Manufacturer Series	Contact Resistance	Diameter (Bushing)	Actuator Travel (mm)	End Contact Material	PCB Hole Count	No. of Positions	Maximum DC Contact Voltage	Additional Features	Maximum AC Contact Voltage	JESD-609 Code	Indexing Angle	Terminal Length	AC Maximum Power Rating R Load (Contact)	Material (Actuator)
MHPS4284		Apem Components	KEYPAD SWITCH	THROUGH HOLE-STRAIGHT	4PDT	PUSHBUTTON				SILVER				1		500VAC	BRASS	10000 Cycle(s)			100000000 ohm	1X1			13 mm	8.5 inch				2.75 N			8.5 mm	.1A@30VDC			65 Cel		PHOSPHOR BRONZE	-20 Cel	.335 inch	Silver (Ag)	LATCHED	.1 A	SOLDER		100 mohm						30 V			e4		.138 inch
MHPS4284N		Apem Components	KEYPAD SWITCH	THROUGH HOLE-STRAIGHT	4PDT	PUSHBUTTON				SILVER				1		500VAC	BRASS	10000 Cycle(s)			100000000 ohm	1X1			13 mm	8.5 inch				2.75 N			8.5 mm	.1A@30VDC			65 Cel		PHOSPHOR BRONZE	-20 Cel	.335 inch	Silver (Ag)	MOMENTARY	.1 A	SOLDER		100 mohm						30 V			e4		.138 inch

Keypad Switches

Keypad switches are electronic switches that use a matrix of buttons or keys to input data or control functions. They are commonly used in consumer electronics, industrial control systems, and medical devices.

Keypad switches typically consist of a set of buttons or keys arranged in a matrix pattern, which are connected to a printed circuit board (PCB). When a button or key is pressed, it completes a circuit on the PCB, sending a signal to a microcontroller or other control system.

Keypad switches come in different configurations, including membrane keypads, elastomeric keypads, and mechanical keypads. Membrane keypads use a thin, flexible membrane to activate the switch, while elastomeric keypads use a rubber or silicone dome to provide tactile feedback. Mechanical keypads use a physical switch mechanism, similar to a keyboard.