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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.
ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 SP3522-01ETG Littelfuse 1: ¥74.7 54,838In Stock 90,000Expected 3/1/2027	Mfr. Part # SP3522-01ETG Mouser Part # 576-SP3522-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 Learn More about Littelfuse sp3522	Datasheet	54,838In Stock 90,000Expected 3/1/2027	Cut Tape ¥74.7 ¥33.4 ¥29.2 ¥21.8 View Reel ¥11.5 ¥19.4 ¥17.8 ¥16.9 ¥11.5 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN SP3522-01UTG Littelfuse 1: ¥64.8 39,999In Stock	Mfr. Part # SP3522-01UTG Mouser Part # 576-SP3522-01UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN Learn More about Littelfuse sp3522	Datasheet	39,999In Stock	Cut Tape ¥64.8 ¥28.7 ¥24.7 ¥18.6 View Reel ¥9.3 ¥16.6 ¥14.5 ¥13.8 ¥9.3 ¥9.3 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
Detector Switches 10mA 5VDC Flat Terminal FDSD002R C&K 1: ¥259.1 6,996In Stock	Mfr. Part # FDSD002R Mouser Part # 611-FDSD002R	C&K	Detector Switches 10mA 5VDC Flat Terminal Learn More about C&K ckcomponents fdsd switches	Datasheet	6,996In Stock	Cut Tape ¥259.1 ¥255.8 ¥250.8 ¥239.2 Reel ¥169.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,500
Detector Switches Micro Mini SMT Detect-HDT Ser HDT0001 C&K 1: ¥166.1 9,538In Stock	Mfr. Part # HDT0001 Mouser Part # 611-HDT0001	C&K	Detector Switches Micro Mini SMT Detect-HDT Ser Learn More about C&K ck detector switches	Datasheet	9,538In Stock	Cut Tape ¥166.1 ¥137.9 ¥133 ¥121.1 View Reel ¥95.8 ¥117.1 ¥109.1 ¥104.1 ¥95.8 ¥95.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,450
Detector Switches 1mA 5VDC 35g FORCE HDT0004 C&K 1: ¥235.9 16,707In Stock	Mfr. Part # HDT0004 Mouser Part # 611-HDT0004	C&K	Detector Switches 1mA 5VDC 35g FORCE Learn More about C&K ck detector switches	Datasheet	16,707In Stock	Cut Tape ¥235.9 ¥199.3 ¥184.4 ¥177.7 View Reel ¥145.8 ¥171.1 ¥161.1 ¥154.6 ¥153.6 ¥145.8	Min.: 1 Mult.: 1 : 2,800
Detector Switches SWITCH HDT0104 HDT0104 C&K 1: ¥239.2 3,384In Stock	Mfr. Part # HDT0104 Mouser Part # 611-HDT0104	C&K	Detector Switches SWITCH HDT0104 Learn More about C&K ck detector switches	Datasheet	3,384In Stock	Cut Tape ¥239.2 ¥199.3 ¥184.4 ¥174.4 View Reel ¥135.4 ¥163.9 ¥152 ¥143.8 ¥135.4 ¥135.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,100
Tactile Switches SPST Rnd Bttn Gull .05A 32VDC 1W SMD KMR221G LFS C&K 1: ¥111.3 37,050In Stock	Mfr. Part # KMR221G LFS Mouser Part # 611-KMR221G-LFS	C&K	Tactile Switches SPST Rnd Bttn Gull .05A 32VDC 1W SMD Learn More about C&K ck kmr2 tactile switches	Datasheet	37,050In Stock	Cut Tape ¥111.3 ¥95.7 ¥89.2 ¥79.7 View Reel ¥57 ¥73.7 ¥69.8 ¥65.9 ¥59.5 ¥57 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR221NG LFS C&K 1: ¥109.6 28,714In Stock	Mfr. Part # KMR221NG LFS Mouser Part # 611-KMR221NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr2 tactile switches	Datasheet	28,714In Stock	Cut Tape ¥109.6 ¥95.7 ¥89.2 ¥79.7 View Reel ¥55.5 ¥73.7 ¥69.8 ¥63 ¥59.1 ¥55.5 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Microminiature SMT Top Actuated KMR223G LFG C&K 1: ¥142.8 25,077In Stock	Mfr. Part # KMR223G LFG Mouser Part # 611-KMR223GLFG	C&K	Tactile Switches Microminiature SMT Top Actuated Learn More about C&K ck kmr2 tactile switches	Datasheet	25,077In Stock	Cut Tape ¥142.8 ¥126.7 ¥117.9 ¥105.1 View Reel ¥76.4 ¥97.5 ¥92 ¥87 ¥81.2 ¥76.4 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Microminiature SMT Top Actuated KMR231G LFS C&K 1: ¥98 18,033In Stock 31,500On Order	Mfr. Part # KMR231G LFS Mouser Part # 611-KMR231GLFS	C&K	Tactile Switches Microminiature SMT Top Actuated Learn More about C&K ck kmr2 tactile switches	Datasheet	18,033In Stock 31,500On Order	Cut Tape ¥98 ¥91.7 ¥79.1 ¥72.8 View Reel ¥54.3 ¥68.3 ¥64.9 ¥61.1 ¥58 ¥54.3 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR231NG LFS C&K 1: ¥164.4 10,299In Stock 7,000On Order	Mfr. Part # KMR231NG LFS Mouser Part # 611-KMR231NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr2 tactile switches	Datasheet	10,299In Stock 7,000On Order	Cut Tape ¥164.4 ¥139.5 ¥129.9 ¥115.8 View Reel ¥81.6 ¥107.3 ¥101.3 ¥96 ¥89.5 ¥81.6 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches SMT Micro Miniature Tactile Switch with 1.9 mm Height Actuator KMR232G ULC LFS C&K 1: ¥116.3 12,584In Stock	Mfr. Part # KMR232G ULC LFS Mouser Part # 611-KMR232GULCLFS	C&K	Tactile Switches SMT Micro Miniature Tactile Switch with 1.9 mm Height Actuator Learn More about C&K ck kmr2 tactile switches	Datasheet	12,584In Stock	Cut Tape ¥116.3 ¥101.2 ¥94.2 ¥84.2 View Reel ¥58.5 ¥77.9 ¥73.6 ¥69.6 ¥64.8 ¥58.5 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches SMT Micro Miniature Tactile Switch with 1.9 mm Height Actuator KMR232NG ULC LFS C&K 1: ¥129.6 13,671In Stock 21,000Expected 11/13/2026	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 about C&K ck kmr2 tactile switches	Datasheet	13,671In Stock 21,000Expected 11/13/2026	Cut Tape ¥129.6 ¥113.3 ¥105.5 ¥94.2 View Reel ¥65.1 ¥87.2 ¥82.4 ¥77.9 ¥72.6 ¥65.1	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR241NG LFS C&K 1: ¥119.6 13,583In Stock	Mfr. Part # KMR241NG LFS Mouser Part # 611-KMR241NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr2 tactile switches	Datasheet	13,583In Stock	Cut Tape ¥119.6 ¥104.5 ¥97.3 ¥86.9 View Reel ¥60.5 ¥80.6 ¥76.1 ¥71.9 ¥66.9 ¥60.5	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR421G LFS C&K 1: ¥124.6 14,017In Stock	Mfr. Part # KMR421G LFS Mouser Part # 611-KMR421GLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr4 tactile switches	Datasheet	14,017In Stock	Cut Tape ¥124.6 ¥108.5 ¥101 ¥90.2 View Reel ¥62.1 ¥83.5 ¥78.9 ¥74.6 ¥69.6 ¥62.1 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR421NG LFS C&K 1: ¥191 14,708In Stock	Mfr. Part # KMR421NG LFS Mouser Part # 611-KMR421NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr4 tactile switches	Datasheet	14,708In Stock	Cut Tape ¥191 ¥160 ¥151.3 ¥133.5 View Reel ¥68.4 ¥131.2 ¥114.8 ¥68.4	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR421NG ULC LFS C&K 1: ¥174.4 9,520In Stock	Mfr. Part # KMR421NG ULC LFS Mouser Part # 611-KMR421NGULCLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr4 tactile switches	Datasheet	9,520In Stock	Cut Tape ¥174.4 ¥156.1 ¥145.2 ¥128.7 View Reel ¥93.7 ¥118.9 ¥103 ¥98.2 ¥93.7 ¥93.7	Min.: 1 Mult.: 1 : 6,000
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 about C&K ck kmr4 tactile switches	Datasheet	12,795In Stock	Cut Tape ¥127.9 ¥111.5 ¥104 ¥92.7 View Reel ¥67.3 ¥85.9 ¥81.1 ¥76.7 ¥71.6 ¥67.3 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches 50mA 32VDC 1.9mmH 2N IP67 KMR621NG LFS C&K 1: ¥152.8 26,363In 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	26,363In Stock	Cut Tape ¥152.8 ¥132.2 ¥123.1 ¥109.8 View Reel ¥76.9 ¥101.7 ¥96.2 ¥85.2 ¥79.9 ¥76.9 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 1.9mmH 3N Low Current IP67 KMR631NG ULC LFS C&K 1: ¥99.7 14,525In Stock	Mfr. Part # KMR631NG ULC LFS Mouser Part # 611-KMR631NGULCLFS	C&K	Tactile Switches 50mA 32VDC 1.9mmH 3N Low Current IP67 Learn More about C&K ck kmr6 tactile switches	Datasheet	14,525In Stock	Cut Tape ¥99.7 ¥97.7 ¥93.7 ¥89.4 View Reel ¥70.1 ¥80.7 ¥75.4 ¥72.4 ¥70.1 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 1.9mmH 4N Low Current IP67 KMR641NG ULC LFS C&K 1: ¥156.1 17,268In 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	17,268In Stock	Cut Tape ¥156.1 ¥136.2 ¥126.7 ¥112.9 View Reel ¥80.1 ¥104.6 ¥98.8 ¥93.7 ¥87.4 ¥80.1 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 2.5mmH 3N IP67 KMR731NG LFS C&K 1: ¥169.4 7,046In 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	7,046In 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 14,212In Stock 18,000Expected 11/20/2026	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	14,212In Stock 18,000Expected 11/20/2026	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 50mA 32VDC 2.5mmH 4N IP67 KMR742NG LFS C&K 1: ¥137.9 29,749In Stock	Mfr. Part # KMR742NG LFS Mouser Part # 611-KMR742NGLFS	C&K	Tactile Switches 50mA 32VDC 2.5mmH 4N IP67 Learn More about C&K ck kmr7 tactile switches	Datasheet	29,749In Stock	Cut Tape ¥137.9 ¥123.1 ¥114.8 ¥101.2 View Reel ¥67.3 ¥93.2 ¥89.2 ¥73.6 ¥70.1 ¥67.3 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Nano-Miniature SMT Top Actuated KMT012 NGJ LHS C&K 1: ¥73.1 29,516In Stock	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	29,516In Stock	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

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Portable Medical Devices & Connected Drug Delivery

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