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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Tactile Switches 50mA 32VDC 1.9mmH 2N IP67 KMR621NG LFS C&K 1: ¥149.5 29,777In Stock	Mfr. Part # KMR621NG LFS Mouser Part # 611-KMR621NGLFS	C&K	Tactile Switches 50mA 32VDC 1.9mmH 2N IP67 Learn More about C&K ck kmr6 tactile switches	Datasheet	29,777In Stock	Cut Tape ¥149.5 ¥132.2 ¥123.1 ¥109.8 View Reel ¥77.7 ¥101.7 ¥96.2 ¥85.2 ¥79.9 ¥77.7 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 1.9mmH 4N Low Current IP67 KMR641NG ULC LFS C&K 1: ¥152.8 20,711In Stock	Mfr. Part # KMR641NG ULC LFS Mouser Part # 611-KMR641NGULCLFS	C&K	Tactile Switches 50mA 32VDC 1.9mmH 4N Low Current IP67 Learn More about C&K ck kmr6 tactile switches	Datasheet	20,711In Stock	Cut Tape ¥152.8 ¥136.2 ¥126.7 ¥112.9 View Reel ¥80.2 ¥104.6 ¥98.8 ¥93.7 ¥87.4 ¥80.2 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 2.5mmH 3N IP67 KMR731NG LFS C&K 1: ¥169.4 9,190In Stock	Mfr. Part # KMR731NG LFS Mouser Part # 611-KMR731NGLFS	C&K	Tactile Switches 50mA 32VDC 2.5mmH 3N IP67 Learn More about C&K ck kmr7 tactile switches	Datasheet	9,190In Stock	Cut Tape ¥169.4 ¥149.8 ¥139.4 ¥124.2 View Reel ¥88.7 ¥115.1 ¥108.8 ¥103 ¥96.2 ¥88.7 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches 50mA 32VDC 2.5mmH 4N Low Current IP67 KMR741NG ULC LFS C&K 1: ¥177.7 18,681In Stock	Mfr. Part # KMR741NG ULC LFS Mouser Part # 611-KMR741NGULCLFS	C&K	Tactile Switches 50mA 32VDC 2.5mmH 4N Low Current IP67 Learn More about C&K ck kmr7 tactile switches	Datasheet	18,681In Stock	Cut Tape ¥177.7 ¥153.6 ¥143 ¥127.4 View Reel ¥90.4 ¥118.1 ¥100.2 ¥96.3 ¥92.5 ¥90.4 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Nano-Miniature SMT Top Actuated KMT012 NGJ LHS C&K 1: ¥73.1 9,536In Stock 20,000Expected 11/12/2026	Mfr. Part # KMT012 NGJ LHS Mouser Part # 611-KMT012NGJLHS	C&K	Tactile Switches Nano-Miniature SMT Top Actuated Learn More about C&K ckcomponents kmt0 switches	Datasheet	9,536In Stock 20,000Expected 11/12/2026	Cut Tape ¥73.1 ¥66.6 ¥62.1 ¥55.6 View Reel ¥40.5 ¥51.5 ¥48.7 ¥46 ¥42.7 ¥40.5 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Tactile Switches Ultra-LW Tact SW SMT SPNOFa 1.6N HF KMT021 NGJ LHS C&K 1: ¥73.1 12,663In Stock	Mfr. Part # KMT021 NGJ LHS Mouser Part # 611-KMT021NGJLHS	C&K	Tactile Switches Ultra-LW Tact SW SMT SPNOFa 1.6N HF Learn More about C&K ckcomponents kmt0 switches	Datasheet	12,663In Stock	Cut Tape ¥73.1 ¥63 ¥58.8 ¥52.7 View Reel ¥40.2 ¥48.8 ¥46 ¥43.5 ¥40.2 ¥40.2 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Tactile Switches Ultra-LW Tact SW SMT SPNOFa 2.3N HF KMT071 NGJ LHS C&K 1: ¥59.8 7,865In Stock 29,975Expected 10/14/2026	Mfr. Part # KMT071 NGJ LHS Mouser Part # 611-KMT071NGJLHS	C&K	Tactile Switches Ultra-LW Tact SW SMT SPNOFa 2.3N HF Learn More about C&K ckcomponents kmt0 switches	Datasheet	7,865In Stock 29,975Expected 10/14/2026	Cut Tape ¥59.8 ¥54.8 ¥52.8 ¥48.3 View Reel ¥37.4 ¥45.5 ¥43.5 ¥42 ¥38.7 ¥37.4 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Tactile Switches SPST-NO, Off-Mom,SMT Tact KMT221G HF LFS C&K 1: ¥217.6 11,108In Stock	Mfr. Part # KMT221G HF LFS Mouser Part # 611-KMT221GHFLFS	C&K	Tactile Switches SPST-NO, Off-Mom,SMT Tact Learn More about C&K littelfuse portable connected health	Datasheet	11,108In Stock	Cut Tape ¥217.6 ¥186 ¥172.7 ¥153.8 View Reel ¥115.4 ¥142.7 ¥134.9 ¥127.7 ¥115.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 36V 100W SP36-01WTG-C-HV Littelfuse 1: ¥61.5 345In Stock 40,000On Order	Mfr. Part # SP36-01WTG-C-HV Mouser Part # 576-SP36-01WTG-C-HV	Littelfuse	ESD Protection Diodes / TVS Diodes 36V 100W Learn More about Littelfuse spxx hv	Datasheet	345In Stock 40,000On Order On Order Ship Dates Mfr. #: SP36-01WTG-C-HV Stock: 345 Can Ship Immediately On Order: 20,000 Expected 12/14/2026 20,000 Expected 1/11/2027 Factory Lead-Time: 11 Weeks	Cut Tape ¥61.5 ¥26.9 ¥23.4 ¥17.4 Reel ¥9 View ¥15.1 ¥13.6 ¥8.5 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Tactile Switches Ultra Low Profile Top Actuated Tactile KXT 341 LHS C&K 1: ¥66.4 3,024In Stock 25,500Expected 12/8/2026	Mfr. Part # KXT 341 LHS Mouser Part # 611-KXT341LHS	C&K	Tactile Switches Ultra Low Profile Top Actuated Tactile Learn More about C&K ck kxt3 tactile switches	Datasheet	3,024In Stock 25,500Expected 12/8/2026	Cut Tape ¥66.4 ¥57.5 ¥53.8 ¥48.2 View Reel ¥35.7 ¥44.5 ¥42 ¥39.7 ¥36.9 ¥35.7 ¥35.7 MouseReel Available	Min.: 1 Mult.: 1 : 8,500
Resettable Fuses - PPTC 60V 20MA-HD 40A SMD 0603L002/60YR Littelfuse 1: ¥285.7 25In Stock 31,900Expected 10/19/2026	Mfr. Part # 0603L002/60YR Mouser Part # 576-0603L002/60YR	Littelfuse	Resettable Fuses - PPTC 60V 20MA-HD 40A SMD Learn More about Littelfuse 0603l resettable fuses	Datasheet	25In Stock 31,900Expected 10/19/2026	Cut Tape ¥285.7 ¥264.1 ¥215.9 ¥196 View Reel ¥138.4 ¥181 ¥172.7 ¥157 ¥138.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD 0805L350SLYR Littelfuse 1: ¥426.9 536In Stock	Mfr. Part # 0805L350SLYR Mouser Part # 576-0805L350SLYR	Littelfuse	Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD Learn More about Littelfuse lorho	Datasheet	536In Stock	Cut Tape ¥426.9 ¥353.8 ¥327.2 ¥325.6 View Reel ¥194.3 ¥270.7 ¥250.8 ¥224.2 ¥207.6 ¥194.3 ¥194.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD 0805L400SLWR Littelfuse 1: ¥426.9 1,240In Stock	Mfr. Part # 0805L400SLWR Mouser Part # 576-0805L400SLWR	Littelfuse	Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD Learn More about Littelfuse lorho	Datasheet	1,240In Stock	Cut Tape ¥426.9 ¥353.8 ¥327.2 ¥325.6 View Reel ¥194.3 ¥270.7 ¥250.8 ¥224.2 ¥207.6 ¥194.3 ¥194.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.80A 1206L380SLTHYR Littelfuse 1: ¥312.3 242In Stock 4,000Expected 2/3/2027	Mfr. Part # 1206L380SLTHYR Mouser Part # 576-1206L380SLTHYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.80A Learn More about Littelfuse lorho	Datasheet	242In Stock 4,000Expected 2/3/2027	Cut Tape ¥312.3 ¥264.1 ¥219.3 ¥217.6 View Reel ¥152.3 ¥197.7 ¥182.7 ¥167.8 ¥164.3 ¥152.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A 1210L200SLYR Littelfuse 1: ¥398.6 66In Stock 4,000Expected 2/22/2027	Mfr. Part # 1210L200SLYR Mouser Part # 576-1210L200SLYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A Learn More about Littelfuse lorho	Datasheet	66In Stock 4,000Expected 2/22/2027	Cut Tape ¥398.6 ¥347.1 ¥317.3 ¥265.8 View Reel ¥192.7 ¥244.2 ¥220.9 ¥206 ¥192.7 ¥192.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V 5A 1210 POLYFUSE SURF MOUNT 1210L500SLWR Littelfuse 1: ¥455.1 817In Stock 3,000Expected 1/21/2027	Mfr. Part # 1210L500SLWR Mouser Part # 576-1210L500SLWR	Littelfuse	Resettable Fuses - PPTC 6V 5A 1210 POLYFUSE SURF MOUNT Learn More about Littelfuse lorho	Datasheet	817In Stock 3,000Expected 1/21/2027	Cut Tape ¥455.1 ¥377 ¥348.8 ¥289 View Reel ¥209.3 ¥267.4 ¥239.2 ¥220.9 ¥209.3 ¥209.3	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect / Magnetic Sensors LF11115TMR STD TMD SENS LF11115TMR Littelfuse 1: ¥162.8 283In Stock 3,000Expected 1/6/2027	Mfr. Part # LF11115TMR Mouser Part # 576-LF11115TMR	Littelfuse	Board Mount Hall Effect / Magnetic Sensors LF11115TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	283In Stock 3,000Expected 1/6/2027	Cut Tape ¥162.8 ¥143.8 ¥127.7 ¥121.8 View Reel ¥78.9 ¥118.8 ¥102.3 ¥97.8 ¥81.9 ¥78.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional SMAJ100A Littelfuse 1: ¥88 924In Stock 20,000On Order	Mfr. Part # SMAJ100A Mouser Part # 576-SMAJ100A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	924In Stock 20,000On Order On Order Ship Dates Mfr. #: SMAJ100A Stock: 924 Can Ship Immediately On Order: 15,000 Expected 2/17/2027 5,000 Expected 2/24/2027 Factory Lead-Time: 26 Weeks	Cut Tape ¥88 ¥44.5 ¥34.4 ¥26.4 ¥25.7 Reel ¥19.4 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 100V 5% Bi-Directional SMAJ100CA Littelfuse 1: ¥83.1 7,380In Stock 15,000Expected 11/23/2026	Mfr. Part # SMAJ100CA Mouser Part # 576-SMAJ100CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 100V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	7,380In Stock 15,000Expected 11/23/2026	Cut Tape ¥83.1 ¥37 ¥32.4 ¥24.3 View Reel ¥14.1 ¥22.8 ¥20.9 ¥14.1 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional SMAJ10A Littelfuse 1: ¥81.4 5,230In Stock 10,000Expected 1/21/2027	Mfr. Part # SMAJ10A Mouser Part # 576-SMAJ10A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	5,230In Stock 10,000Expected 1/21/2027	Cut Tape ¥81.4 ¥37.5 ¥31.7 ¥24.6 Reel ¥14.1 View ¥22.3 ¥18.8 ¥12.5 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 10V 5% Bi-Directional SMAJ10CA Littelfuse 1: ¥79.7 618In Stock 25,000On Order	Mfr. Part # SMAJ10CA Mouser Part # 576-SMAJ10CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 10V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	618In Stock 25,000On Order On Order Ship Dates Mfr. #: SMAJ10CA Stock: 618 Can Ship Immediately On Order: 10,000 Expected 2/8/2027 15,000 Expected 2/24/2027 Factory Lead-Time: 26 Weeks	Cut Tape ¥79.7 ¥42.4 ¥31.9 ¥24.6 View Reel ¥14.1 ¥22.3 ¥18.9 ¥14.1 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 110V 5% Uni-Directional SMAJ110A Littelfuse 1: ¥83.1 3,780In Stock 10,000Expected 1/19/2027	Mfr. Part # SMAJ110A Mouser Part # 576-SMAJ110A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 110V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	3,780In Stock 10,000Expected 1/19/2027	Cut Tape ¥83.1 ¥37 ¥32.4 ¥24.3 View Reel ¥14.1 ¥23.8 ¥21.1 ¥14.1 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 110V 5% Bi-Directional SMAJ110CA Littelfuse 1: ¥83.1 5,614In Stock	Mfr. Part # SMAJ110CA Mouser Part # 576-SMAJ110CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 110V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	5,614In Stock	Cut Tape ¥83.1 ¥37 ¥32.4 ¥24.3 Reel ¥17.3 View ¥21.8 ¥18.3 ¥15.6 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 11V 5% Bi-Directional SMAJ11CA Littelfuse 1: ¥79.7 1,753In Stock 15,000On Order	Mfr. Part # SMAJ11CA Mouser Part # 576-SMAJ11CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 11V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	1,753In Stock 15,000On Order On Order Ship Dates Mfr. #: SMAJ11CA Stock: 1,753 Can Ship Immediately On Order: 5,000 Expected 12/2/2026 10,000 Expected 2/24/2027 Factory Lead-Time: 26 Weeks	Cut Tape ¥79.7 ¥35.4 ¥31.1 ¥23.3 View Reel ¥14.1 ¥22.4 ¥20.4 ¥14.1 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 120V 5% Uni-Directional SMAJ120A Littelfuse 1: ¥84.7 897In Stock 20,000On Order	Mfr. Part # SMAJ120A Mouser Part # 576-SMAJ120A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 120V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	897In Stock 20,000On Order On Order Ship Dates Mfr. #: SMAJ120A Stock: 897 Can Ship Immediately On Order: 15,000 Expected 3/1/2027 5,000 Expected 3/8/2027 Factory Lead-Time: 26 Weeks	Cut Tape ¥84.7 ¥42.9 ¥32.4 ¥24.3 ¥20.9 Reel ¥19.4 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

Portable Medical Devices & Connected Drug Delivery

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