TE Connectivity Keypad Switches 131

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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)

MSLPT5252BL1MTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

SILVER

POLYETHYLENE

BLACK

TR

.686 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYTETRA FLUOROETHYLENE

MCSLPT4644B1TR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

300VAC

COPPER ALLOY

1000000 Cycle(s)

100000000 ohm

1X1

TR

4.4 mm

4.4 inch

.98 N

THERMOPLASTIC

SILVER

.55 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-20 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

MSLPT5252BL2MTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

SILVER

POLYETHYLENE

BLACK

TR

.98 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYTETRA FLUOROETHYLENE

MCSLPT4644B3TR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

300VAC

COPPER ALLOY

500000 Cycle(s)

100000000 ohm

1X1

TR

4.4 mm

4.4 inch

1.96 N

THERMOPLASTIC

SILVER

.55 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-20 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

MCSLPT4848C4DTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

100VAC

COPPER ALLOY

500000 Cycle(s)

100000000 ohm

1X1

TR

.48 mm

.48 inch

2.548 N

THERMOPLASTIC

SILVER OVER NICKEL

.55 mm

0.05A@12VDC

80 Cel

.05 A

STAINLESS STEEL

-30 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

MCSLPT4644B2TR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

300VAC

COPPER ALLOY

1000000 Cycle(s)

100000000 ohm

1X1

TR

4.4 mm

4.4 inch

1.568 N

THERMOPLASTIC

SILVER

.55 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-20 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

FSMIJ61BA04

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

RECTANGULAR TYPE

OFF-(ON)

WAVE

SILVER

BROWN

THERMOPLASTIC

BLACK

1

250VAC

BRASS

500000 Cycle(s)

ORANGE LED

100000000 ohm

1X1

BOX; TUBE

6.1 mm

6.1 inch

.98 N

SILVER

4.8 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-25 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

BRASS

6

12 V

.138 inch

PA9T/THERMOPLASTIC

MCSLPT4644B4TR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

300VAC

COPPER ALLOY

500000 Cycle(s)

100000000 ohm

1X1

TR

4.4 mm

4.4 inch

2.548 N

THERMOPLASTIC

SILVER

.55 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-20 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

MSLPT5252CG3BTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BLACK

POLYETHYLENE

BLACK

TR

1.568 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYETHYLENE

MCSLPT4848A5DTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

100VAC

COPPER ALLOY

200000 Cycle(s)

100000000 ohm

1X1

TR

4.8 mm

4.8 inch

3.528 N

THERMOPLASTIC

SILVER OVER NICKEL

.55 mm

0.05A@12VDC

80 Cel

.05 A

STAINLESS STEEL

-30 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

MSLPT5252CL4WTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

WHITE

POLYETHYLENE

BLACK

TR

2.548 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYETHYLENE

1-1825910-5

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

RED

NYLON

BLACK

1

100000 Cycle(s)

1X1

BULK

5.99 mm

5.99 inch

2.548 N

3.61 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.232 inch

MOMENTARY

.05 A

SOLDER

BRASS

24 V

POLYBUTYLENE TEREPHTHALATE

1825910-1

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BROWN

NYLON

BLACK

1

100000 Cycle(s)

1X1

BULK

5.99 mm

5.99 inch

.98 N

3.61 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.028 inch

MOMENTARY

.05 A

SOLDER

COPPER ALLOY

24 V

POLYBUTYLENE TEREPHTHALATE

FSM2JSMA

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

PUSHBUTTON

OFF-(ON)

SILVER

GRAY

POLYAMIDE

BROWN

1

0 deg

500VAC

COPPER ALLOY

100000 Cycle(s)

100000000 ohm

1X1

BULK

6 mm

6 inch

MOLDED

1.568 N

POLYPHENYLENE SULPHIDE

SILVER OVER NICKEL

3.6 mm

.05A@12VDC

85 Cel

.05 A

COPPER ALLOY

-20 Cel

.028 inch

Silver (Ag)

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

2.032

COPPER ALLOY

24 V

ROHS AND ELV COMPLIANT

e4

POLYAMIDE

MSLPT5252CL1BTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BLACK

POLYETHYLENE

BLACK

TR

.686 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYETHYLENE

FSM2JSMLTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BROWN

POLYAMIDE

BROWN

1

100000 Cycle(s)

1X1

TR

6 mm

6 inch

.98 N

3.6 mm

.05A@12VDC

85 Cel

.05 A

-20 Cel

.028 inch

Silver (Ag)

MOMENTARY-TACTILE

.05 A

SOLDER

COPPER ALLOY

24 V

e4

POLYPHENYLENE SULPHIDE

FSMIJ61BG04

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

RECTANGULAR TYPE

OFF-(ON)

WAVE

SILVER

BROWN

THERMOPLASTIC

BLACK

1

250VAC

BRASS

500000 Cycle(s)

GREEN/YELLOW LED

100000000 ohm

1X1

BOX; TUBE

6.1 mm

6.1 inch

.98 N

SILVER

4.8 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-25 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

BRASS

6

12 V

.138 inch

PA9T/THERMOPLASTIC

MCSLPT4848C5DTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

100VAC

COPPER ALLOY

200000 Cycle(s)

100000000 ohm

1X1

TR

.48 mm

.48 inch

3.528 N

THERMOPLASTIC

SILVER OVER NICKEL

.55 mm

0.05A@12VDC

80 Cel

.05 A

STAINLESS STEEL

-30 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

FSMIJ62AA04

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

RECTANGULAR TYPE

OFF-(ON)

WAVE

SILVER

BROWN

THERMOPLASTIC

BLACK

1

250VAC

BRASS

500000 Cycle(s)

ORANGE LED

100000000 ohm

1X1

BOX; TUBE

6.1 mm

6.1 inch

1.57 N

SILVER

4.8 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-25 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

BRASS

6

12 V

.138 inch

PA9T/THERMOPLASTIC

FSM2JRT

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

NATURAL

POLYAMIDE

BLACK

1

100000 Cycle(s)

1X1

TR

6.19 mm

6.19 inch

2.205 N

3.6 mm

.05A@12VDC

105 Cel

.05 A

-40 Cel

.028 inch

Silver (Ag)

MOMENTARY-TACTILE

.05 A

SOLDER

COPPER ALLOY

24 V

e4

POLYACETAL RESIN

MSLPT5252CL3BTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BLACK

POLYETHYLENE

BLACK

TR

1.568 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYETHYLENE

147873-1

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BLACK

POLYPHENYLENE SULPHIDE

BROWN

1

40000 Cycle(s)

1X1

TR

6 mm

3.5 inch

1.764 N

3.5 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.059 inch

MOMENTARY-TACTILE

.05 A

SOLDER

COPPER ALLOY

24 V

POLYPHENYLENE SULPHIDE

MCSLPT4848A2DTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

100VAC

COPPER ALLOY

1000000 Cycle(s)

100000000 ohm

1X1

TR

4.8 mm

4.8 inch

1.568 N

THERMOPLASTIC

SILVER OVER NICKEL

.55 mm

0.05A@12VDC

80 Cel

.05 A

STAINLESS STEEL

-30 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

MCSLPT4848A3DTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

FLUSH TOP TYPE

SILVER

POLYETHYLENE

BLACK

1

100VAC

COPPER ALLOY

500000 Cycle(s)

100000000 ohm

1X1

TR

4.8 mm

4.8 inch

1.96 N

THERMOPLASTIC

SILVER OVER NICKEL

.55 mm

0.05A@12VDC

80 Cel

.05 A

STAINLESS STEEL

-30 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

STAINLESS STEEL

12 V

LOW PROFILE

POLYAMIDE

JJJHRGG200NOPMRTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SIDE TYPE

OFF-(ON)

SILVER

BROWN

TR

.05 A

.05 A

SOLDER

STAINLESS STEEL

POLYETHYLENE

2311402-1

TE Connectivity

KEYBOARD

PANEL MOUNT

BULK

85 Cel

-40 Cel

FSMRACD

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SQUARE BUTTON

SILVER

BLUE

POLYAMIDE

BLACK

1

100000 Cycle(s)

1X1

BULK

7.11 mm

5.99 inch

.98 N

7.01 mm

.05A@12VDC

85 Cel

.05 A

-20 Cel

.114 inch

Silver (Ag)

MOMENTARY-TACTILE

.05 A

SOLDER

COPPER ALLOY

24 V

e4

POLYACETAL RESIN

FSMRA7J

TE Connectivity

KEYPAD SWITCH

THROUGH HOLE-RIGHT ANGLE

SPST

ROUND/EXTENDED TYPE

1

100000 Cycle(s)

1X1

BULK

7.11 mm

6.29 inch

1.57 N

11.86 mm

.05A@12VDC

85 Cel

-20 Cel

Silver (Ag)

MOMENTARY-TACTILE

.05 A

SOLDER

FSMRAJ

12 V

e4

1825955-2

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BROWN

POLYAMIDE

BLACK

1

100000 Cycle(s)

1X1

BULK

5.99 mm

5.99 inch

.98 N

3.6 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.028 inch

MOMENTARY

.05 A

SOLDER

COPPER ALLOY

24 V

POLYBUTYLENE TEREPHTHALATE

MSLPT5252CL2WTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

WHITE

POLYETHYLENE

BLACK

TR

.98 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYETHYLENE

FSM2JSMATR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

PUSHBUTTON

OFF-(ON)

SILVER

GRAY

POLYAMIDE

BROWN

1

0 deg

500VAC

COPPER ALLOY

100000 Cycle(s)

100000000 ohm

1X1

TR

6 mm

6 inch

MOLDED

1.568 N

POLYPHENYLENE SULPHIDE

SILVER OVER NICKEL

3.6 mm

.05A@12VDC

85 Cel

.05 A

COPPER ALLOY

-20 Cel

.028 inch

Silver (Ag)

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

2.032

COPPER ALLOY

24 V

ROHS AND ELV COMPLIANT

e4

POLYPHENYLENE SULPHIDE

FSM6JSMA

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BLACK

POLYAMIDE

BROWN

1

100000 Cycle(s)

1X1

BULK

6 mm

6 inch

1.568 N

3.6 mm

.05A@12VDC

85 Cel

.05 A

-20 Cel

.134 inch

MOMENTARY-TACTILE

.05 A

SOLDER

COPPER ALLOY

24 V

POLYAMIDE

2-1437565-8

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

WHITE

POLYAMIDE

BROWN

1

100000 Cycle(s)

1X1

BULK

6 mm

6 inch

2.548 N

3.6 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.028 inch

MOMENTARY-TACTILE

.05 A

SOLDER

COPPER ALLOY

24 V

NYLON

FSMIJ61AA04

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

RECTANGULAR TYPE

OFF-(ON)

WAVE

SILVER

BROWN

THERMOPLASTIC

BLACK

1

250VAC

BRASS

500000 Cycle(s)

ORANGE LED

100000000 ohm

1X1

BOX; TUBE

6.1 mm

6.1 inch

.98 N

SILVER

4.8 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-25 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

BRASS

6

12 V

.138 inch

PA9T/THERMOPLASTIC

MSLPT5252BL4MTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

SILVER

POLYETHYLENE

BLACK

TR

2.548 N

70 Cel

.05 A

-25 Cel

.05 A

SOLDER

STAINLESS STEEL

POLYTETRA FLUOROETHYLENE

FSMIJ62AR04

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

RECTANGULAR TYPE

OFF-(ON)

WAVE

SILVER

BROWN

THERMOPLASTIC

BLACK

1

250VAC

BRASS

500000 Cycle(s)

RED LED

100000000 ohm

1X1

BOX; TUBE

6.1 mm

6.1 inch

1.57 N

SILVER

4.8 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-25 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

BRASS

6

12 V

.138 inch

PA9T/THERMOPLASTIC

FSMIJ62BB04

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

RECTANGULAR TYPE

OFF-(ON)

WAVE

SILVER

BROWN

THERMOPLASTIC

BLACK

1

250VAC

BRASS

500000 Cycle(s)

BLUE LED

100000000 ohm

1X1

BOX; TUBE

6.1 mm

6.1 inch

1.57 N

SILVER

4.8 mm

0.05A@12VDC

70 Cel

.05 A

STAINLESS STEEL

-25 Cel

MOMENTARY-TACTILE

.05 A

SOLDER

100 mohm

0.2

BRASS

6

12 V

.138 inch

PA9T/THERMOPLASTIC

1825967-1

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SQUARE TYPE

SILVER

BLUE

NYLON

BLACK

1

100000 Cycle(s)

1X1

BULK

6 mm

6 inch

1.568 N

3.6 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.114 inch

MOMENTARY

.05 A

SOLDER

COPPER ALLOY

24 V

NYLON

1571407-2

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BLACK

POLYETHYLENE

IVORY

1

1000000 Cycle(s)

1X1

TR

20 ms

6.4 mm

6.3 inch

IP67

2.548 N

2.41 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.063 inch

MOMENTARY-TACTILE

.05 A

SOLDER

STAINLESS STEEL

24 V

SILICON RUBBER

1571610-2

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

BUTTON TYPE

SILVER

BLACK

POLYPHENYLENE SULPHIDE

BLACK

1

1X1

BULK

6.9 mm

3.2 inch

IP67

1.274 N

.05A@24VDC

85 Cel

.05 A

-35 Cel

.152 inch

MOMENTARY-TACTILE

.05 A

SOLDER

STAINLESS STEEL

24 V

NYLON

1825966-1

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

WAVE

SILVER

BLACK

NYLON

NATURAL

1

500VAC

COPPER ALLOY

100000 Cycle(s)

1000000000 ohm

1X1

BULK

6 mm

3.5 inch

1.274 N

SILVER OVER NICKEL

3.5 mm

.05A@24VDC

85 Cel

.05 A

COPPER ALLOY

-35 Cel

.031 inch

Silver (Ag) - with Nickel (Ni) barrier

MOMENTARY-TACTILE

.05 A

SOLDER

50 mohm

0.25

COPPER ALLOY

2

24 V

UL

e4

.138 inch

POLYBUTYLENE TEREPHTHALATE

JJFV0UG380NONPRTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

TOP TYPE

OFF-(ON)

SILVER

BLACK

TR

.001 A

.001 A

SOLDER

STAINLESS STEEL

POLYETHYLENE

1571527-1

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BROWN

POLYAMIDE

BROWN

1

200000 Cycle(s)

1X1

BULK

6 mm

6 inch

.98 N

3.6 mm

.05A@24VDC

85 Cel

.05 A

-35 Cel

.028 inch

MOMENTARY-TACTILE

.05 A

SOLDER

COPPER ALLOY

24 V

POLYPHENYLENE SULPHIDE

JJDVDUJ305NOPMRQTR

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

TOP LEVER

OFF-(ON)

GOLD

BLACK

TR

.01 A

.01 A

SOLDER

COPPER ALLOY

POLYETHYLENE

1571528-1

TE Connectivity

KEYPAD SWITCH

PANEL MOUNT

SPST

SILVER

BLACK

NYLON

BLACK

TR

1.568 N

.05 A

.031 inch

.05 A

SOLDER

STAINLESS STEEL

SILICON RUBBER

2311403-2

TE Connectivity

KEYBOARD

PANEL MOUNT

BULK

85 Cel

-40 Cel

2311403-3

TE Connectivity

KEYBOARD

PANEL MOUNT

BULK

85 Cel

-40 Cel

2311403-4

TE Connectivity

KEYBOARD

PANEL MOUNT

BULK

85 Cel

-40 Cel

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.