Switches – Mouser Singapore

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Portable Medical Devices & Connected Drug Delivery

Littelfuse Portable Medical Devices and Connected Drug Delivery Systems feature a range of products ideal for use in wearables, digital hearing aids, insulin pumps, blood pressure monitors, and connected pharmaceutical delivery devices such as auto-injectors and inhalers. Portable and connected devices are changing how medical services are delivered to patients. These connected healthcare products from Littelfuse help lower healthcare costs, improve efficiency, and empower patients.

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Types of Switches

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Results: 120

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Part #

Tactile Switches Tact

KMR223NG LFG
C&K
1: $1.17
7,000In Stock

Mfr. Part No.
KMR223NG LFG

Mouser Part No
611-KMR223NGLFG

C&K

Tactile Switches Tact

Learn More

Datasheet

7,000In Stock

Cut Tape

$1.17

$1.11

$1.03

$0.898

View

Reel

$0.627

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

Tactile Switches 50mA 32VDC 1.9mmH 2N IP67

KMR621NG LFS
C&K
1: $1.25
32,819In Stock

Mfr. Part No.
KMR621NG LFS

Mouser Part No
611-KMR621NGLFS

C&K

Tactile Switches 50mA 32VDC 1.9mmH 2N IP67

Learn More

Datasheet

32,819In Stock

Cut Tape

$1.25

$1.08

$1.01

$0.899

View

Reel

$0.635

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Ultra-LW Tact SW SMT SPNOFa 3.4N HF

KMT031 NGJ LHS
C&K
1: $0.53
86,105In Stock

Mfr. Part No.
KMT031 NGJ LHS

Mouser Part No
611-KMT031NGJLHS

C&K

Tactile Switches Ultra-LW Tact SW SMT SPNOFa 3.4N HF

Learn More

Datasheet

86,105In Stock

Cut Tape

$0.53

$0.48

$0.397

$0.36

View

Reel

$0.284

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Ultra Low Profile Top Actuated Tactile

KXT 311 LHS
C&K
1: $0.585
29,252In Stock

Mfr. Part No.
KXT 311 LHS

Mouser Part No
611-KXT311LHS

C&K

Tactile Switches Ultra Low Profile Top Actuated Tactile

Learn More

Datasheet

29,252In Stock

Cut Tape

$0.585

$0.50

$0.468

$0.419

View

Reel

$0.279

MouseReel Available

Min.: 1
Mult.: 1

: 8,500

Tactile Switches

Tactile

SPST

(ON) - (OFF)

SMD/SMT

Tactile Switches Ultra Low Profile Top Actuated Tactile

KXT 321 LHS
C&K
1: $0.544
19,598In Stock

Mfr. Part No.
KXT 321 LHS

Mouser Part No
611-KXT321LHS

C&K

Tactile Switches Ultra Low Profile Top Actuated Tactile

Learn More

Datasheet

19,598In Stock

Cut Tape

$0.544

$0.471

$0.441

$0.394

View

Reel

$0.282

MouseReel Available

Min.: 1
Mult.: 1

: 8,500

Tactile Switches

Tactile

SPST

(ON) - (OFF)

SMD/SMT

Tactile Switches Ultra Low Profile Top Actuated Tactile

KXT 331 LHS
C&K
1: $0.544
11,280In Stock

Mfr. Part No.
KXT 331 LHS

Mouser Part No
611-KXT331LHS

C&K

Tactile Switches Ultra Low Profile Top Actuated Tactile

Learn More

Datasheet

11,280In Stock

Cut Tape

$0.544

$0.471

$0.441

$0.394

View

Reel

$0.276

MouseReel Available

Min.: 1
Mult.: 1

: 8,500

Tactile Switches

Tactile

SPST

(ON) - (OFF)

SMD/SMT

Tactile Switches

NANOT100AS
C&K
1: $0.626
4,789In Stock

Mfr. Part No.
NANOT100AS

Mouser Part No
611-NANOT100AS

C&K

Tactile Switches

Learn More

Datasheet

4,789In Stock

$0.626

$0.539

$0.517

Min.: 1
Mult.: 1

Tactile Switches

Nano Size Tactile Switch

SPST

OFF - (ON)

SMD/SMT

Tactile Switches

NANOT160AS
C&K
1: $0.626
8,300In Stock

Mfr. Part No.
NANOT160AS

Mouser Part No
611-NANOT160AS

C&K

Tactile Switches

Learn More

Datasheet

8,300In Stock

$0.626

$0.548

Min.: 1
Mult.: 1

Tactile Switches

Nano Size Tactile Switch

SPST

OFF - (ON)

SMD/SMT

Detector Switches 10mA 5VDC Flat Terminal

FDSD002R
C&K
1: $2.14
3,496In Stock
3,500Expected 15/10/2026

Mfr. Part No.
FDSD002R

Mouser Part No
611-FDSD002R

C&K

Detector Switches 10mA 5VDC Flat Terminal

Learn More

Datasheet

3,496In Stock

3,500Expected 15/10/2026

Cut Tape

$2.14

$1.88

$1.78

$1.70

View

Reel

$1.37

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

Detector Switches

PCB Mount

Detector Switches Micro Mini SMT Detect-HDT Ser

HDT0001
C&K
1: $1.44
9,943In Stock

Mfr. Part No.
HDT0001

Mouser Part No
611-HDT0001

C&K

Detector Switches Micro Mini SMT Detect-HDT Ser

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Datasheet

9,943In Stock

Cut Tape

$1.44

$1.25

$1.18

$1.13

View

Reel

$0.933

MouseReel Available

Min.: 1
Mult.: 1

: 2,450

Detector Switches

PCB Mount

Detector Switches SWITCH HDT0104

HDT0104
C&K
1: $2.00
4,589In Stock

Mfr. Part No.
HDT0104

Mouser Part No
611-HDT0104

C&K

Detector Switches SWITCH HDT0104

Learn More

Datasheet

4,589In Stock

Cut Tape

$2.00

$1.77

$1.67

$1.59

View

Reel

$1.29

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

Detector Switches

PCB Mount

Tactile Switches Tact

KMR211NG LFS
C&K
1: $0.884
42,132In Stock

Mfr. Part No.
KMR211NG LFS

Mouser Part No
611-KMR211NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

42,132In Stock

Cut Tape

$0.884

$0.783

$0.73

$0.653

View

Reel

$0.466

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches SPST Rnd Bttn Gull .05A 32VDC 1W SMD

KMR221G LFS
C&K
1: $0.884
23,673In Stock
35,000Expected 2/11/2026

Mfr. Part No.
KMR221G LFS

Mouser Part No
611-KMR221G-LFS

C&K

Tactile Switches SPST Rnd Bttn Gull .05A 32VDC 1W SMD

Learn More

Datasheet

23,673In Stock

35,000Expected 2/11/2026

Cut Tape

$0.884

$0.783

$0.73

$0.653

View

Reel

$0.445

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR221NG LFS
C&K
1: $0.898
33,441In Stock

Mfr. Part No.
KMR221NG LFS

Mouser Part No
611-KMR221NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

33,441In Stock

Cut Tape

$0.898

$0.783

$0.73

$0.653

View

Reel

$0.449

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Microminiature SMT Top Actuated

KMR223G LFG
C&K
1: $1.17
6,536In Stock
21,000Expected 11/11/2026

Mfr. Part No.
KMR223G LFG

Mouser Part No
611-KMR223GLFG

C&K

Tactile Switches Microminiature SMT Top Actuated

Learn More

Datasheet

6,536In Stock

21,000Expected 11/11/2026

Cut Tape

$1.17

$1.04

$0.966

$0.861

View

Reel

$0.626

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR231NG LFS
C&K
1: $1.29
16,340In Stock
7,000On Order

Mfr. Part No.
KMR231NG LFS

Mouser Part No
611-KMR231NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

16,340In Stock

7,000On Order

Cut Tape

$1.29

$1.14

$1.06

$0.948

View

Reel

$0.668

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches SMT Micro Miniature Tactile Switch with 1.9 mm Height Actuator

KMR232NG ULC LFS
C&K
1: $1.06
20,727In Stock

Mfr. Part No.
KMR232NG ULC LFS

Mouser Part No
611-KMR232NGULCLFS

C&K

Tactile Switches SMT Micro Miniature Tactile Switch with 1.9 mm Height Actuator

Learn More

Datasheet

20,727In Stock

Cut Tape

$1.06

$0.928

$0.864

$0.771

View

Reel

$0.533

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Microminiature SMT Top Actuated

KMR241G LFS
C&K
1: $0.993
9,015In Stock

Mfr. Part No.
KMR241G LFS

Mouser Part No
611-KMR241GLFS

C&K

Tactile Switches Microminiature SMT Top Actuated

Learn More

Datasheet

9,015In Stock

Cut Tape

$0.993

$0.855

$0.797

$0.711

View

Reel

$0.49

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR241NG LFS
C&K
1: $0.952
14,324In Stock

Mfr. Part No.
KMR241NG LFS

Mouser Part No
611-KMR241NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

14,324In Stock

Cut Tape

$0.952

$0.855

$0.797

$0.711

View

Reel

$0.49

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Microminiature SMT Top Actuated

KMR243G LFG
C&K
1: $1.17
11,382In Stock

Mfr. Part No.
KMR243G LFG

Mouser Part No
611-KMR243GLFG

C&K

Tactile Switches Microminiature SMT Top Actuated

Learn More

Datasheet

11,382In Stock

Cut Tape

$1.17

$1.04

$0.966

$0.861

View

Reel

$0.619

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR421G LFS
C&K
1: $0.993
18,626In Stock

Mfr. Part No.
KMR421G LFS

Mouser Part No
611-KMR421GLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

18,626In Stock

Cut Tape

$0.993

$0.888

$0.827

$0.738

View

Reel

$0.509

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR421NG LFS
C&K
1: $1.33
15,316In Stock

Mfr. Part No.
KMR421NG LFS

Mouser Part No
611-KMR421NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

15,316In Stock

Cut Tape

$1.33

$1.32

$1.14

$1.10

View

Reel

$0.56

Min.: 1
Mult.: 1

: 6,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR421NG ULC LFS
C&K
1: $1.39
3,520In Stock

Mfr. Part No.
KMR421NG ULC LFS

Mouser Part No
611-KMR421NGULCLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

3,520In Stock

Cut Tape

$1.39

$1.21

$1.12

$1.00

View

Reel

$0.707

Min.: 1
Mult.: 1

: 6,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR432G LFS
C&K
1: $1.05
12,795In Stock

Mfr. Part No.
KMR432G LFS

Mouser Part No
611-KMR432GLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

12,795In Stock

Cut Tape

$1.05

$0.913

$0.85

$0.758

View

Reel

$0.484

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches 50mA 32VDC 1.9mmH 4N Low Current IP67

KMR641NG ULC LFS
C&K
1: $1.28
20,843In Stock

Mfr. Part No.
KMR641NG ULC LFS

Mouser Part No
611-KMR641NGULCLFS

C&K

Tactile Switches 50mA 32VDC 1.9mmH 4N Low Current IP67

Learn More

Datasheet

20,843In Stock

Cut Tape

$1.28

$1.12

$1.04

$0.925

View

Reel

$0.665

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Portable Medical Devices & Connected Drug Delivery

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