Switches – Mouser Japan

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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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Results: 120

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Part #

Tactile Switches 50mA 32VDC 1.9mmH 2N IP67

KMR621NG LFS
C&K
1: ¥149.5
31,697In Stock

Mfr. Part #
KMR621NG LFS

Mouser Part #
611-KMR621NGLFS

C&K

Tactile Switches 50mA 32VDC 1.9mmH 2N IP67

Learn More

Datasheet

31,697In Stock

Cut Tape

¥149.5

¥132.2

¥123.1

¥109.8

View

Reel

¥77.7

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: ¥71.4
85,605In Stock

Mfr. Part #
KMT031 NGJ LHS

Mouser Part #
611-KMT031NGJLHS

C&K

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

Learn More

Datasheet

85,605In Stock

Cut Tape

¥71.4

¥63

¥58

¥51.7

View

Reel

¥32.9

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: ¥71.4
29,242In Stock

Mfr. Part #
KXT 311 LHS

Mouser Part #
611-KXT311LHS

C&K

Tactile Switches Ultra Low Profile Top Actuated Tactile

Learn More

Datasheet

29,242In Stock

Cut Tape

¥71.4

¥61.1

¥57.1

¥51.2

View

Reel

¥35

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: ¥64.8
15,673In Stock

Mfr. Part #
KXT 321 LHS

Mouser Part #
611-KXT321LHS

C&K

Tactile Switches Ultra Low Profile Top Actuated Tactile

Learn More

Datasheet

15,673In Stock

Cut Tape

¥64.8

¥57.5

¥53.8

¥48.2

View

Reel

¥34.4

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: ¥64.8
11,220In Stock

Mfr. Part #
KXT 331 LHS

Mouser Part #
611-KXT331LHS

C&K

Tactile Switches Ultra Low Profile Top Actuated Tactile

Learn More

Datasheet

11,220In Stock

Cut Tape

¥64.8

¥57.5

¥53.8

¥48.2

View

Reel

¥30.9

MouseReel Available

Min.: 1
Mult.: 1

: 8,500

Tactile Switches

Tactile

SPST

(ON) - (OFF)

SMD/SMT

Tactile Switches

NANOT100AS
C&K
1: ¥76.4
4,657In Stock

Mfr. Part #
NANOT100AS

Mouser Part #
611-NANOT100AS

C&K

Tactile Switches

Learn More

Datasheet

4,657In Stock

¥76.4

¥65.8

¥61.5

¥55

Min.: 1
Mult.: 1

Tactile Switches

Nano Size Tactile Switch

SPST

OFF - (ON)

SMD/SMT

Tactile Switches

NANOT160AS
C&K
1: ¥76.4
8,264In Stock

Mfr. Part #
NANOT160AS

Mouser Part #
611-NANOT160AS

C&K

Tactile Switches

Learn More

Datasheet

8,264In Stock

¥76.4

¥65.8

¥61.5

¥59.6

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: ¥260.8
3,496In Stock
3,500Expected 10/7/2026

Mfr. Part #
FDSD002R

Mouser Part #
611-FDSD002R

C&K

Detector Switches 10mA 5VDC Flat Terminal

Learn More

Datasheet

3,496In Stock

3,500Expected 10/7/2026

Cut Tape

¥260.8

¥229.2

¥217.6

¥207.6

View

Reel

¥167.8

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

Detector Switches

PCB Mount

Detector Switches Micro Mini SMT Detect-HDT Ser

HDT0001
C&K
1: ¥177.7
9,835In Stock

Mfr. Part #
HDT0001

Mouser Part #
611-HDT0001

C&K

Detector Switches Micro Mini SMT Detect-HDT Ser

Learn More

Datasheet

9,835In Stock

Cut Tape

¥177.7

¥153.1

¥144.8

¥134.4

View

Reel

¥86.2

MouseReel Available

Min.: 1
Mult.: 1

: 2,450

Detector Switches

PCB Mount

Detector Switches 1mA 5VDC 35g FORCE

HDT0004
C&K
1: ¥250.8
8,367In Stock
8,400Expected 9/23/2026

Mfr. Part #
HDT0004

Mouser Part #
611-HDT0004

C&K

Detector Switches 1mA 5VDC 35g FORCE

Learn More

Datasheet

8,367In Stock

8,400Expected 9/23/2026

Cut Tape

¥250.8

¥210.9

¥194.3

¥184.4

View

Reel

¥144.8

Min.: 1
Mult.: 1

: 2,800

Detector Switches

PCB Mount

Detector Switches SWITCH HDT0104

HDT0104
C&K
1: ¥244.2
4,589In Stock

Mfr. Part #
HDT0104

Mouser Part #
611-HDT0104

C&K

Detector Switches SWITCH HDT0104

Learn More

Datasheet

4,589In Stock

Cut Tape

¥244.2

¥215.9

¥204.3

¥194.3

View

Reel

¥157.6

MouseReel Available

Min.: 1
Mult.: 1

: 2,100

Detector Switches

PCB Mount

Tactile Switches Tact

KMR211NG LFS
C&K
1: ¥108
41,932In Stock

Mfr. Part #
KMR211NG LFS

Mouser Part #
611-KMR211NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

41,932In Stock

Cut Tape

¥108

¥95.7

¥89.2

¥79.7

View

Reel

¥57

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: ¥108
21,914In Stock
35,000Expected 11/2/2026

Mfr. Part #
KMR221G LFS

Mouser Part #
611-KMR221G-LFS

C&K

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

Learn More

Datasheet

21,914In Stock

35,000Expected 11/2/2026

Cut Tape

¥108

¥95.7

¥89.2

¥79.7

View

Reel

¥56.1

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR221NG LFS
C&K
1: ¥108
33,420In Stock

Mfr. Part #
KMR221NG LFS

Mouser Part #
611-KMR221NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

33,420In Stock

Cut Tape

¥108

¥95.7

¥89.2

¥79.7

View

Reel

¥56.6

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: ¥142.8
6,428In Stock
21,000Expected 11/11/2026

Mfr. Part #
KMR223G LFG

Mouser Part #
611-KMR223GLFG

C&K

Tactile Switches Microminiature SMT Top Actuated

Learn More

Datasheet

6,428In Stock

21,000Expected 11/11/2026

Cut Tape

¥142.8

¥126.7

¥117.9

¥105.1

View

Reel

¥76.4

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR231NG LFS
C&K
1: ¥157.8
15,786In Stock
7,000On Order

Mfr. Part #
KMR231NG LFS

Mouser Part #
611-KMR231NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

15,786In Stock

7,000On Order

Cut Tape

¥157.8

¥139.5

¥129.9

¥115.8

View

Reel

¥80.6

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: ¥129.6
20,727In Stock

Mfr. Part #
KMR232NG ULC LFS

Mouser Part #
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

¥129.6

¥113.3

¥105.5

¥94.2

View

Reel

¥65.1

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: ¥116.3
8,495In Stock

Mfr. Part #
KMR241G LFS

Mouser Part #
611-KMR241GLFS

C&K

Tactile Switches Microminiature SMT Top Actuated

Learn More

Datasheet

8,495In Stock

Cut Tape

¥116.3

¥104.5

¥97.3

¥86.9

View

Reel

¥58.8

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR241NG LFS
C&K
1: ¥116.3
13,945In Stock

Mfr. Part #
KMR241NG LFS

Mouser Part #
611-KMR241NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

13,945In Stock

Cut Tape

¥116.3

¥104.5

¥97.3

¥86.9

View

Reel

¥59.8

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: ¥142.8
10,273In Stock

Mfr. Part #
KMR243G LFG

Mouser Part #
611-KMR243GLFG

C&K

Tactile Switches Microminiature SMT Top Actuated

Learn More

Datasheet

10,273In Stock

Cut Tape

¥142.8

¥126.7

¥117.9

¥105.1

View

Reel

¥75.7

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR421G LFS
C&K
1: ¥121.3
18,066In Stock

Mfr. Part #
KMR421G LFS

Mouser Part #
611-KMR421GLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

18,066In Stock

Cut Tape

¥121.3

¥108.5

¥101

¥90.2

View

Reel

¥62.5

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR421NG LFS
C&K
1: ¥162.8
15,315In Stock

Mfr. Part #
KMR421NG LFS

Mouser Part #
611-KMR421NGLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

15,315In Stock

Cut Tape

¥162.8

¥161.6

¥138.9

¥134.4

View

Reel

¥68.4

Min.: 1
Mult.: 1

: 6,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR421NG ULC LFS
C&K
1: ¥166.1
3,520In Stock

Mfr. Part #
KMR421NG ULC LFS

Mouser Part #
611-KMR421NGULCLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

3,520In Stock

Cut Tape

¥166.1

¥147.3

¥137

¥122.2

View

Reel

¥86.4

Min.: 1
Mult.: 1

: 6,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT

Tactile Switches Tact

KMR432G LFS
C&K
1: ¥127.9
12,795In Stock

Mfr. Part #
KMR432G LFS

Mouser Part #
611-KMR432GLFS

C&K

Tactile Switches Tact

Learn More

Datasheet

12,795In Stock

Cut Tape

¥127.9

¥111.5

¥103.8

¥92.5

View

Reel

¥59.1

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: ¥152.8
20,843In Stock

Mfr. Part #
KMR641NG ULC LFS

Mouser Part #
611-KMR641NGULCLFS

C&K

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

Learn More

Datasheet

20,843In Stock

Cut Tape

¥152.8

¥136.2

¥126.7

¥112.9

View

Reel

¥80.2

MouseReel Available

Min.: 1
Mult.: 1

: 7,000

Tactile Switches

Tactile

SPST

OFF - (ON)

SMD/SMT