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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 (EUR) 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: €0.387 54,828In Stock 90,000Expected 01/03/2027	Mfr. Part No. SP3522-01ETG Mouser Part No 576-SP3522-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 Learn More about Littelfuse sp3522	Datasheet	54,828In Stock 90,000Expected 01/03/2027	Cut Tape €0.387 €0.173 €0.151 €0.113 View Reel €0.068 €0.101 €0.092 €0.088 €0.068 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: €0.335 39,999In Stock	Mfr. Part No. SP3522-01UTG Mouser Part No 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 €0.335 €0.149 €0.128 €0.096 View Reel €0.055 €0.086 €0.075 €0.071 €0.055 €0.055 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
Detector Switches 10mA 5VDC Flat Terminal FDSD002R C&K 1: €1.34 6,996In Stock	Mfr. Part No. FDSD002R Mouser Part No 611-FDSD002R	C&K	Detector Switches 10mA 5VDC Flat Terminal Learn More about C&K ckcomponents fdsd switches	Datasheet	6,996In Stock	Cut Tape €1.34 €1.32 €1.30 €1.24 Reel €0.93 MouseReel Available	Min.: 1 Mult.: 1 : 3,500
Detector Switches Micro Mini SMT Detect-HDT Ser HDT0001 C&K 1: €0.86 9,038In Stock	Mfr. Part No. HDT0001 Mouser Part No 611-HDT0001	C&K	Detector Switches Micro Mini SMT Detect-HDT Ser Learn More about C&K ck detector switches	Datasheet	9,038In Stock	Cut Tape €0.86 €0.714 €0.689 €0.627 View Reel €0.518 €0.606 €0.565 €0.539 €0.518 €0.518 MouseReel Available	Min.: 1 Mult.: 1 : 2,450
Detector Switches 1mA 5VDC 35g FORCE HDT0004 C&K 1: €1.22 16,707In Stock	Mfr. Part No. HDT0004 Mouser Part No 611-HDT0004	C&K	Detector Switches 1mA 5VDC 35g FORCE Learn More about C&K ck detector switches	Datasheet	16,707In Stock	Cut Tape €1.22 €1.03 €0.955 €0.92 View Reel €0.80 €0.886 €0.834 €0.801 €0.80 €0.80	Min.: 1 Mult.: 1 : 2,800
Detector Switches SWITCH HDT0104 HDT0104 C&K 1: €1.24 3,384In Stock	Mfr. Part No. HDT0104 Mouser Part No 611-HDT0104	C&K	Detector Switches SWITCH HDT0104 Learn More about C&K ck detector switches	Datasheet	3,384In Stock	Cut Tape €1.24 €1.14 Reel €1.14 MouseReel Available	Min.: 1 Mult.: 1 : 2,100
Detector Switches SWITCH HDT0204 HDT0204 C&K 1: €1.24 2,770In Stock	Mfr. Part No. HDT0204 Mouser Part No 611-HDT0204	C&K	Detector Switches SWITCH HDT0204 Learn More about C&K ck detector switches	Datasheet	2,770In Stock	Cut Tape €1.24 €1.03 €0.955 €0.93 Reel €0.93	Min.: 1 Mult.: 1 : 2,000
Tactile Switches SPST Rnd Bttn Gull .05A 32VDC 1W SMD KMR221G LFS C&K 1: €0.576 37,040In Stock	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 about C&K ck kmr2 tactile switches	Datasheet	37,040In Stock	Cut Tape €0.576 €0.495 €0.462 €0.413 View Reel €0.314 €0.382 €0.361 €0.341 €0.314 €0.314 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR221NG LFS C&K 1: €0.568 28,714In Stock	Mfr. Part No. KMR221NG LFS Mouser Part No 611-KMR221NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr2 tactile switches	Datasheet	28,714In Stock	Cut Tape €0.568 €0.495 €0.462 €0.413 View Reel €0.287 €0.382 €0.361 €0.326 €0.306 €0.287 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Microminiature SMT Top Actuated KMR223G LFG C&K 1: €0.74 25,077In Stock	Mfr. Part No. KMR223G LFG Mouser Part No 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 €0.74 €0.656 €0.611 €0.544 View Reel €0.40 €0.505 €0.476 €0.451 €0.421 €0.40 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Microminiature SMT Top Actuated KMR231G LFS C&K 1: €0.507 17,758In Stock 31,500On Order	Mfr. Part No. KMR231G LFS Mouser Part No 611-KMR231GLFS	C&K	Tactile Switches Microminiature SMT Top Actuated Learn More about C&K ck kmr2 tactile switches	Datasheet	17,758In Stock 31,500On Order	Cut Tape €0.507 €0.475 €0.409 €0.377 View Reel €0.281 €0.353 €0.336 €0.316 €0.30 €0.281 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR231NG LFS C&K 1: €0.851 9,629In Stock 7,000On Order	Mfr. Part No. KMR231NG LFS Mouser Part No 611-KMR231NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr2 tactile switches	Datasheet	9,629In Stock 7,000On Order	Cut Tape €0.851 €0.722 €0.673 €0.599 View Reel €0.422 €0.556 €0.525 €0.497 €0.464 €0.422 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: €0.602 12,584In Stock	Mfr. Part No. KMR232G ULC LFS Mouser Part No 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 €0.602 €0.524 €0.488 €0.436 View Reel €0.303 €0.403 €0.381 €0.36 €0.335 €0.303 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: €0.671 13,669In Stock 21,000Expected 13/11/2026	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 about C&K ck kmr2 tactile switches	Datasheet	13,669In Stock 21,000Expected 13/11/2026	Cut Tape €0.671 €0.587 €0.546 €0.488 View Reel €0.337 €0.452 €0.427 €0.403 €0.376 €0.337	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR241NG LFS C&K 1: €0.619 13,583In Stock	Mfr. Part No. KMR241NG LFS Mouser Part No 611-KMR241NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr2 tactile switches	Datasheet	13,583In Stock	Cut Tape €0.619 €0.541 €0.504 €0.45 View Reel €0.313 €0.417 €0.394 €0.372 €0.347 €0.313	Min.: 1 Mult.: 1 : 7,000
Tactile Switches Tact KMR421G LFS C&K 1: €0.645 14,013In Stock	Mfr. Part No. KMR421G LFS Mouser Part No 611-KMR421GLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr4 tactile switches	Datasheet	14,013In Stock	Cut Tape €0.645 €0.562 €0.523 €0.467 View Reel €0.322 €0.433 €0.409 €0.386 €0.36 €0.322 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR421NG LFS C&K 1: €0.989 14,708In Stock	Mfr. Part No. KMR421NG LFS Mouser Part No 611-KMR421NGLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr4 tactile switches	Datasheet	14,708In Stock	Cut Tape €0.989 €0.828 €0.783 €0.691 View Reel €0.444 €0.679 €0.594 €0.444	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR421NG ULC LFS C&K 1: €0.903 9,520In Stock	Mfr. Part No. KMR421NG ULC LFS Mouser Part No 611-KMR421NGULCLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr4 tactile switches	Datasheet	9,520In Stock	Cut Tape €0.903 €0.808 €0.752 €0.667 View Reel €0.485 €0.616 €0.533 €0.508 €0.485 €0.485	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR432G LFS C&K 1: €0.662 12,795In Stock	Mfr. Part No. KMR432G LFS Mouser Part No 611-KMR432GLFS	C&K	Tactile Switches Tact Learn More about C&K ck kmr4 tactile switches	Datasheet	12,795In Stock	Cut Tape €0.662 €0.577 €0.538 €0.48 View Reel €0.355 €0.445 €0.42 €0.397 €0.371 €0.355 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches 50mA 32VDC 1.9mmH 2N IP67 KMR621NG LFS C&K 1: €0.791 26,103In Stock	Mfr. Part No. KMR621NG LFS Mouser Part No 611-KMR621NGLFS	C&K	Tactile Switches 50mA 32VDC 1.9mmH 2N IP67 Learn More about C&K ck kmr6 tactile switches	Datasheet	26,103In Stock	Cut Tape €0.791 €0.685 €0.637 €0.568 View Reel €0.398 €0.526 €0.498 €0.441 €0.414 €0.398 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 1.9mmH 3N Low Current IP67 KMR631NG ULC LFS C&K 1: €0.516 14,445In Stock	Mfr. Part No. KMR631NG ULC LFS Mouser Part No 611-KMR631NGULCLFS	C&K	Tactile Switches 50mA 32VDC 1.9mmH 3N Low Current IP67 Learn More about C&K ck kmr6 tactile switches	Datasheet	14,445In Stock	Cut Tape €0.516 €0.506 €0.485 €0.463 View Reel €0.363 €0.418 €0.39 €0.375 €0.363 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 1.9mmH 4N Low Current IP67 KMR641NG ULC LFS C&K 1: €0.808 17,268In 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 about C&K ck kmr6 tactile switches	Datasheet	17,268In Stock	Cut Tape €0.808 €0.705 €0.656 €0.585 View Reel €0.415 €0.542 €0.512 €0.485 €0.452 €0.415 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
Tactile Switches 50mA 32VDC 2.5mmH 3N IP67 KMR731NG LFS C&K 1: €0.877 7,046In Stock	Mfr. Part No. KMR731NG LFS Mouser Part No 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 €0.877 €0.776 €0.722 €0.643 View Reel €0.459 €0.596 €0.563 €0.533 €0.498 €0.459 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches 50mA 32VDC 2.5mmH 4N Low Current IP67 KMR741NG ULC LFS C&K 1: €0.92 13,712In Stock 18,000Expected 20/11/2026	Mfr. Part No. KMR741NG ULC LFS Mouser Part No 611-KMR741NGULCLFS	C&K	Tactile Switches 50mA 32VDC 2.5mmH 4N Low Current IP67 Learn More about C&K ck kmr7 tactile switches	Datasheet	13,712In Stock 18,000Expected 20/11/2026	Cut Tape €0.92 €0.796 €0.74 €0.66 View Reel €0.468 €0.611 €0.519 €0.499 €0.479 €0.468 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches 50mA 32VDC 2.5mmH 4N IP67 KMR742NG LFS C&K 1: €0.714 29,749In Stock	Mfr. Part No. KMR742NG LFS Mouser Part No 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 €0.714 €0.637 €0.594 €0.524 View Reel €0.348 €0.482 €0.462 €0.381 €0.363 €0.348 MouseReel Available	Min.: 1 Mult.: 1 : 6,000