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Connected Drug Delivery Device Ecosystem Solutions

Littelfuse features a wide portfolio of products used to build and enhance drug delivery systems. These drug delivery systems include auto-injectors, continuous glucose monitors, insulin pumps, drug delivery pens, and wearable injectors. Products offered by Littelfuse for these applications include detect switches, plunger position sensors, microcontrollers, thermistors, TVS diode arrays, gate drivers, and fuses.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 400W 5V 5% Bi-Directional SMAJ5.0CA Littelfuse 1: $0.48 50,479In Stock 125,000On Order	Mfr. Part No. SMAJ5.0CA Mouser Part No 576-SMAJ5.0CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 5V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	50,479In Stock 125,000On Order On Order Ship Dates Mfr. No: SMAJ5.0CA Stock: 50,479 Can Dispatch Immediately On Order: 45,000 Expected 2026/12/01 80,000 Expected 2027/01/27 Factory Lead Time: 26 Weeks	Cut Tape $0.48 $0.213 $0.181 $0.14 $0.133 Reel $0.09 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 58V 5% Bi-Directional SMAJ58CA Littelfuse 1: $0.48 78,171In Stock	Mfr. Part No. SMAJ58CA Mouser Part No 576-SMAJ58CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 58V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	78,171In Stock	Cut Tape $0.48 $0.213 $0.187 $0.14 $0.127 Reel $0.085 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 6V 5% Uni-Directional SMAJ6.0A Littelfuse 1: $0.35 52,513In Stock 35,000Expected 2027/03/04	Mfr. Part No. SMAJ6.0A Mouser Part No 576-SMAJ6.0A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 6V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	52,513In Stock 35,000Expected 2027/03/04	Cut Tape $0.35 $0.202 $0.151 $0.121 Reel $0.078 View $0.115 $0.098 $0.076 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 60V 5% Uni-Directional SMAJ60A Littelfuse 1: $0.47 31,378In Stock 30,000Expected 2026/12/10	Mfr. Part No. SMAJ60A Mouser Part No 576-SMAJ60A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 60V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	31,378In Stock 30,000Expected 2026/12/10	Cut Tape $0.47 $0.213 $0.18 $0.137 View Reel $0.076 $0.127 $0.113 $0.076 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Detector Switches 10mA 5VDC Flat Terminal FDSD002R C&K 1: $1.56 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 $1.56 $1.54 $1.51 $1.44 Reel $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,500
Detector Switches SWITCH DETECT FDSE001R C&K 1: $1.62 6,000In Stock 6,000Expected 2026/10/09	Mfr. Part No. FDSE001R Mouser Part No 611-FDSE001R	C&K	Detector Switches SWITCH DETECT Learn More about C&K ckcomponents fdse switches	Datasheet	6,000In Stock 6,000Expected 2026/10/09	Cut Tape $1.62 $1.37 $1.33 $1.26 View Reel $1.00 $1.20 $1.15 $1.07 $1.02 $1.00	Min.: 1 Mult.: 1 : 2,000
Detector Switches Micro Mini SMT Detect-HDT Ser HDT0001 C&K 1: $1.07 9,835In 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	9,835In Stock	Cut Tape $1.07 $0.922 $0.872 $0.809 View Reel $0.598 $0.757 $0.75 $0.627 $0.598 $0.598 MouseReel Available	Min.: 1 Mult.: 1 : 2,450
Detector Switches 1mA 5VDC 35g FORCE HDT0004 C&K 1: $1.51 16,767In 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	16,767In Stock	Cut Tape $1.51 $1.27 $1.11 $1.07 View Reel $0.926 $1.03 $0.97 $0.932 $0.926	Min.: 1 Mult.: 1 : 2,800
Detector Switches SWITCH HDT0104 HDT0104 C&K 1: $1.47 4,589In 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	4,589In Stock	Cut Tape $1.47 $1.33 Reel $1.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,100
Tactile Switches Nano-Miniature SMT Top Actuated KMT012 NGJ LHS C&K 1: $0.44 9,536In Stock 20,000Expected 2026/11/12	Mfr. Part No. KMT012 NGJ LHS Mouser Part No 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 2026/11/12	Cut Tape $0.44 $0.401 $0.374 $0.335 View Reel $0.266 $0.311 $0.293 $0.277 $0.266 $0.266 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: $0.44 12,663In Stock	Mfr. Part No. KMT021 NGJ LHS Mouser Part No 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 $0.44 $0.379 $0.354 $0.317 View Reel $0.242 $0.294 $0.277 $0.262 $0.242 $0.242 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: $0.361 7,855In Stock 29,975Expected 2026/10/14	Mfr. Part No. KMT071 NGJ LHS Mouser Part No 611-KMT071NGJLHS	C&K	Tactile Switches Ultra-LW Tact SW SMT SPNOFa 2.3N HF Learn More about C&K ckcomponents kmt0 switches	Datasheet	7,855In Stock 29,975Expected 2026/10/14	Cut Tape $0.361 $0.33 $0.317 $0.291 View Reel $0.226 $0.274 $0.262 $0.254 $0.233 $0.226 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Tactile Switches Ultra Low Profile Top Actuated Tactile KXT 341 LHS C&K 1: $0.40 3,024In Stock 25,500Expected 2026/12/08	Mfr. Part No. KXT 341 LHS Mouser Part No 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 2026/12/08	Cut Tape $0.40 $0.347 $0.324 $0.29 View Reel $0.215 $0.267 $0.254 $0.24 $0.222 $0.215 $0.215 MouseReel Available	Min.: 1 Mult.: 1 : 8,500
Board Mount Hall Effect/Magnetic Sensors LF53464-08TMR Angle Sensor LF53464-08TMR Littelfuse 1: $5.80 3,973In Stock New Product	Mfr. Part No. LF53464-08TMR Mouser Part No 576-LF53464-08TMR New Product	Littelfuse	Board Mount Hall Effect/Magnetic Sensors LF53464-08TMR Angle Sensor Learn More about Littelfuse lf5346x 08tmr sensors		3,973In Stock	Cut Tape $5.80 $4.90 $4.54 $4.12 View Reel $2.80 $3.83 $3.56 $3.04 $2.93 $2.80 $2.80 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Hall Effect/Magnetic Sensors LF53464-08TMR Angle Sensor LF53466-08TMR Littelfuse 1: $3.74 2,961In Stock New Product	Mfr. Part No. LF53466-08TMR Mouser Part No 576-LF53466-08TMR New Product	Littelfuse	Board Mount Hall Effect/Magnetic Sensors LF53464-08TMR Angle Sensor Learn More about Littelfuse lf5346x 08tmr sensors		2,961In Stock	Cut Tape $3.74 $3.15 $2.93 $2.47 View Reel $1.67 $2.29 $1.94 $1.83 $1.76 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD 0805L350SLYR Littelfuse 1: $2.57 536In Stock	Mfr. Part No. 0805L350SLYR Mouser Part No 576-0805L350SLYR	Littelfuse	Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD Learn More about Littelfuse lorho	Datasheet	536In Stock	Cut Tape $2.57 $2.13 $1.97 $1.63 View Reel $1.17 $1.51 $1.35 $1.26 $1.17 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD 0805L400SLWR Littelfuse 1: $2.57 1,240In Stock	Mfr. Part No. 0805L400SLWR Mouser Part No 576-0805L400SLWR	Littelfuse	Resettable Fuses - PPTC 6V 4.0A-HD 50A SMD Learn More about Littelfuse lorho	Datasheet	1,240In Stock	Cut Tape $2.57 $2.13 $1.97 $1.63 View Reel $1.17 $1.51 $1.35 $1.26 $1.17 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.80A 1206L380SLTHYR Littelfuse 1: $1.88 242In Stock 4,000Expected 2027/02/03	Mfr. Part No. 1206L380SLTHYR Mouser Part No 576-1206L380SLTHYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.80A Learn More about Littelfuse lorho	Datasheet	242In Stock 4,000Expected 2027/02/03	Cut Tape $1.88 $1.59 $1.33 $1.31 View Reel $0.918 $1.19 $1.10 $1.01 $0.99 $0.918 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A 1210L200SLYR Littelfuse 1: $2.40 66In Stock 4,000Expected 2027/02/22	Mfr. Part No. 1210L200SLYR Mouser Part No 576-1210L200SLYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A Learn More about Littelfuse lorho	Datasheet	66In Stock 4,000Expected 2027/02/22	Cut Tape $2.40 $2.09 $1.91 $1.60 View Reel $1.16 $1.47 $1.33 $1.24 $1.16 $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V 5A 1210 POLYFUSE SURF MOUNT 1210L500SLWR Littelfuse 1: $2.74 817In Stock 3,000Expected 2027/01/21	Mfr. Part No. 1210L500SLWR Mouser Part No 576-1210L500SLWR	Littelfuse	Resettable Fuses - PPTC 6V 5A 1210 POLYFUSE SURF MOUNT Learn More about Littelfuse lorho	Datasheet	817In Stock 3,000Expected 2027/01/21	Cut Tape $2.74 $2.27 $2.11 $1.74 View Reel $1.26 $1.60 $1.44 $1.33 $1.26 $1.26	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect/Magnetic Sensors LF11115TMR STD TMD SENS LF11115TMR Littelfuse 1: $0.98 283In Stock 3,000Expected 2027/01/06	Mfr. Part No. LF11115TMR Mouser Part No 576-LF11115TMR	Littelfuse	Board Mount Hall Effect/Magnetic Sensors LF11115TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	283In Stock 3,000Expected 2027/01/06	Cut Tape $0.98 $0.866 $0.769 $0.733 View Reel $0.476 $0.715 $0.616 $0.59 $0.493 $0.476 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional SMAJ100A Littelfuse 1: $0.53 926In Stock 20,000On Order	Mfr. Part No. SMAJ100A Mouser Part No 576-SMAJ100A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	926In Stock 20,000On Order On Order Ship Dates Mfr. No: SMAJ100A Stock: 926 Can Dispatch Immediately On Order: 15,000 Expected 2027/02/17 5,000 Expected 2027/02/24 Factory Lead Time: 26 Weeks	Cut Tape $0.53 $0.267 $0.207 $0.159 $0.155 Reel $0.117 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 100V 5% Bi-Directional SMAJ100CA Littelfuse 1: $0.50 7,380In Stock 15,000Expected 2026/11/23	Mfr. Part No. SMAJ100CA Mouser Part No 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 2026/11/23	Cut Tape $0.50 $0.223 $0.195 $0.147 View Reel $0.126 $0.137 $0.126 $0.126 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional SMAJ10A Littelfuse 1: $0.49 5,225In Stock 10,000Expected 2027/01/21	Mfr. Part No. SMAJ10A Mouser Part No 576-SMAJ10A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	5,225In Stock 10,000Expected 2027/01/21	Cut Tape $0.49 $0.226 $0.191 $0.148 Reel $0.085 View $0.134 $0.113 $0.076 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 400W 10V 5% Bi-Directional SMAJ10CA Littelfuse 1: $0.48 618In Stock 25,000On Order	Mfr. Part No. SMAJ10CA Mouser Part No 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. No: SMAJ10CA Stock: 618 Can Dispatch Immediately On Order: 10,000 Expected 2027/02/08 15,000 Expected 2027/02/24 Factory Lead Time: 26 Weeks	Cut Tape $0.48 $0.255 $0.192 $0.148 View Reel $0.085 $0.134 $0.114 $0.085 MouseReel Available	Min.: 1 Mult.: 1 : 5,000