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Remote Control Systems

Littelfuse Remote Control Systems offer solutions for load switching, joysticks, on/off switches, and USB protection. These systems provide the protection IC (eFuse) with USB-C^® for overcurrent, overvoltage, and short-circuit protection for USB input. The remote control systems also provide a TVS diode array for ESD protection of the USB data lines (high-speed interface). These systems support power on/off, mode selection, user interface input, and joystick input/directional control for Unmanned Aerial Vehicle (UAV) operation. The remote control systems offer load switch ICs for power distribution control, subsystem on/off switching, and battery load management. Typical applications include ISR, military, border surveillance, agriculture, delivery/logistics, inspection, and public safety.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
Power Switch ICs - Power Distribution 5V, 2A Load switch with Slew Rate Ctrl LQ05021QCS4 Littelfuse 1: $0.49 9,869In Stock	Mfr. Part No. LQ05021QCS4 Mouser Part No 576-LQ05021QCS4	Littelfuse	Power Switch ICs - Power Distribution 5V, 2A Load switch with Slew Rate Ctrl Learn More about Littelfuse lq050 load switches	Datasheet	9,869In Stock	Cut Tape $0.49 $0.335 $0.299 $0.257 View Reel $0.194 $0.238 $0.226 $0.216 $0.194 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Power Switch ICs - Power Distribution 5V, 2A Load switch with Reverse Blocking LQ05021RCS4 Littelfuse 1: $0.544 7,930In Stock	Mfr. Part No. LQ05021RCS4 Mouser Part No 576-LQ05021RCS4	Littelfuse	Power Switch ICs - Power Distribution 5V, 2A Load switch with Reverse Blocking Learn More about Littelfuse lq050 load switches	Datasheet	7,930In Stock	Cut Tape $0.544 $0.377 $0.336 $0.295 View Reel $0.224 $0.273 $0.26 $0.249 $0.224 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Power Switch ICs - Power Distribution 5V, 2A Load switch with Slew Rate Ctrl LQ05022QCS4 Littelfuse 1: $0.707 3,674In Stock 3,000Expected 27/5/2027	Mfr. Part No. LQ05022QCS4 Mouser Part No 576-LQ05022QCS4	Littelfuse	Power Switch ICs - Power Distribution 5V, 2A Load switch with Slew Rate Ctrl Learn More about Littelfuse lq050 load switches	Datasheet	3,674In Stock 3,000Expected 27/5/2027	Cut Tape $0.707 $0.498 $0.446 $0.394 Reel $0.332 View $0.366 $0.348 $0.335 $0.309 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP LS0504EVT233 Littelfuse 1: $1.06 11,750In Stock	Mfr. Part No. LS0504EVT233 Mouser Part No 576-LS0504EVT233	Littelfuse	Power Switch ICs - Power Distribution 5V/4A/30Vmax efuse with OCP & OVP Learn More about Littelfuse ls0504evt233 efuse ic	Datasheet	11,750In Stock	Cut Tape $1.06 $0.741 $0.662 $0.575 View Reel $0.388 $0.534 $0.483 $0.45 $0.388 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1CH 12V 200W BI SPHV12-01ETG-C Littelfuse 1: $0.83 125,821In Stock	Mfr. Part No. SPHV12-01ETG-C Mouser Part No 576-SPHV12-01ETG-C	Littelfuse	ESD Protection Diodes / TVS Diodes 1CH 12V 200W BI Learn More about Littelfuse sphv tvs diodes	Datasheet	125,821In Stock	Cut Tape $0.83 $0.37 $0.325 $0.245 Reel $0.148 View $0.22 $0.193 $0.175 $0.135 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 1CH 15V 2000W BI SPHV15-01ETG-C Littelfuse 1: $0.775 63,125In Stock 150,000On Order	Mfr. Part No. SPHV15-01ETG-C Mouser Part No 576-SPHV15-01ETG-C	Littelfuse	ESD Protection Diodes / TVS Diodes 1CH 15V 2000W BI Learn More about Littelfuse sphv tvs diodes	Datasheet	63,125In Stock 150,000On Order On Order Ship Dates Mfr. No: SPHV15-01ETG-C Stock: 63,125 Can Dispatch Immediately On Order: 60,000 Expected 5/11/2026 90,000 Expected 19/5/2027 Factory Lead Time: 23 Weeks	Cut Tape $0.775 $0.35 $0.306 $0.23 View Reel $0.129 $0.224 $0.193 $0.19 $0.129 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Tactile Switches Tact KMR421G LFS C&K 1: $1.02 14,165In 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	14,165In Stock	Cut Tape $1.02 $0.888 $0.827 $0.738 View Reel $0.509 $0.684 $0.646 $0.611 $0.57 $0.509 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR421NG LFS C&K 1: $1.33 14,884In 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	14,884In Stock	Cut Tape $1.33 $1.32 $1.14 $1.10 View Reel $0.56 $1.09 $1.03 $0.997 $0.56	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR421NG ULC LFS C&K 1: $1.39 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 $1.39 $1.21 $1.12 $1.00 View Reel $0.717 $0.928 $0.817 $0.779 $0.732 $0.717	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Tact KMR432G LFS C&K 1: $1.05 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 $1.05 $0.913 $0.85 $0.758 View Reel $0.484 $0.702 $0.664 $0.575 $0.509 $0.484 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Tactile Switches Nano-Miniature SMT Top Actuated KMT012 NGJ LHS C&K 1: $0.598 9,516In Stock 20,000Expected 30/10/2026	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	9,516In Stock 20,000Expected 30/10/2026	Cut Tape $0.598 $0.545 $0.509 $0.456 View Reel $0.332 $0.422 $0.398 $0.377 $0.35 $0.332 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: $0.598 10,747In 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	10,747In Stock	Cut Tape $0.598 $0.515 $0.481 $0.431 View Reel $0.329 $0.40 $0.377 $0.356 $0.329 $0.329 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: $0.49 36,299In Stock	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	36,299In Stock	Cut Tape $0.49 $0.449 $0.432 $0.396 View Reel $0.306 $0.373 $0.356 $0.344 $0.317 $0.306 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Tactile Switches KSC441 V2 70SH SP DELTA LFS C&K 1: $1.44 9,200In Stock	Mfr. Part No. KSC441 V2 70SH SP DELTA LFS Mouser Part No 611-KSC441V2SPDELTAL	C&K	Tactile Switches Learn More about C&K littelfuse commercial tactical uav systems	Datasheet	9,200In Stock	Cut Tape $1.44 $1.24 $1.15 $1.03 Reel $0.846 View $0.953 $0.919 $0.816 $0.797	Min.: 1 Mult.: 1 : 800
Tactile Switches Gold 160Gf Gullwing KSC521G ROHS C&K 1: $1.41 12,143In Stock	Mfr. Part No. KSC521G ROHS Mouser Part No 611-KSC521GROHS	C&K	Tactile Switches Gold 160Gf Gullwing Learn More about C&K ck ksc tact switches	Datasheet	12,143In Stock	Cut Tape $1.41 $1.25 $1.19 $1.13 Reel $0.813 View $1.08 $1.02 $0.847 $0.797	Min.: 1 Mult.: 1 : 1,000
Tactile Switches Switch Tact Gold 300 Gf J-Type KSC541J ROHS C&K 1: $1.56 10,887In Stock	Mfr. Part No. KSC541J ROHS Mouser Part No 611-KSC541JROHS	C&K	Tactile Switches Switch Tact Gold 300 Gf J-Type Learn More about C&K ck ksc tact switches	Datasheet	10,887In Stock	Cut Tape $1.56 $1.35 $1.26 $1.12 Reel $0.929 View $1.04 $0.982 $0.855 $0.827	Min.: 1 Mult.: 1 : 1,000
Tactile Switches 1A 32VDC 4.3mm 1.6N Gullwing, IP67 KSC701G LFS C&K 1: $0.979 6,511In Stock	Mfr. Part No. KSC701G LFS Mouser Part No 611-KSC701GLFS	C&K	Tactile Switches 1A 32VDC 4.3mm 1.6N Gullwing, IP67 Learn More about C&K ck ksc tact switches	Datasheet	6,511In Stock	Cut Tape $0.979 $0.834 $0.778 $0.694 Reel $0.573 View $0.643 $0.607 $0.526 $0.507 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Tactile Switches 4.3mmIP671.6N Soft ActuatorGullwing KSC721G LFS C&K 1: $0.966 8,369In Stock 20,000Expected 15/2/2027	Mfr. Part No. KSC721G LFS Mouser Part No 611-KSC721GLFS	C&K	Tactile Switches 4.3mmIP671.6N Soft ActuatorGullwing Learn More about C&K ckksc7	Datasheet	8,369In Stock 20,000Expected 15/2/2027	Cut Tape $0.966 $0.834 $0.778 $0.694 Reel $0.537 View $0.643 $0.608 $0.507 $0.495 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Tactile Switches 4.3mmIP67 1.6N Soft Actuator J-Bend KSC721J LFS C&K 1: $0.748 28,508In Stock	Mfr. Part No. KSC721J LFS Mouser Part No 611-KSC721JLFS	C&K	Tactile Switches 4.3mmIP67 1.6N Soft Actuator J-Bend Learn More about C&K ckksc7	Datasheet	28,508In Stock	Cut Tape $0.748 $0.726 $0.70 $0.607 Reel $0.543 View $0.574 $0.552 $0.511 $0.484 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Tactile Switches 4.3mmIP673N Soft ActuatorGullwing KSC741G LFS C&K 1: $0.966 12,993In Stock	Mfr. Part No. KSC741G LFS Mouser Part No 611-KSC741GLFS	C&K	Tactile Switches 4.3mmIP673N Soft ActuatorGullwing Learn More about C&K ckksc7	Datasheet	12,993In Stock	Cut Tape $0.966 $0.834 $0.778 $0.694 Reel $0.573 View $0.643 $0.607 $0.526 $0.507 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Tactile Switches 4.3mmIP673N Soft ActuatorJ-Bend KSC741J LFS C&K 1: $0.762 15,303In Stock	Mfr. Part No. KSC741J LFS Mouser Part No 611-KSC741JLFS	C&K	Tactile Switches 4.3mmIP673N Soft ActuatorJ-Bend Learn More about C&K ckksc7	Datasheet	15,303In Stock	Cut Tape $0.762 $0.70 $0.673 $0.611 Reel $0.509 View $0.575 $0.548 $0.479 $0.476	Min.: 1 Mult.: 1 : 1,000
Tactile Switches 50mA 12VDC 260gf .374mm thru-hole/SMT PTS645SK95SMTR92 LFS C&K 1: $0.612 17,422In Stock 24,000Expected 30/12/2026	Mfr. Part No. PTS645SK95SMTR92 LFS Mouser Part No 611-PTS645SK95SMTR92	C&K	Tactile Switches 50mA 12VDC 260gf .374mm thru-hole/SMT Learn More about C&K ck pts 645 switches	Datasheet	17,422In Stock 24,000Expected 30/12/2026	Cut Tape $0.612 $0.544 $0.515 $0.453 Reel $0.389 View $0.418 $0.362 $0.337 $0.333 MouseReel Available	Min.: 1 Mult.: 1 : 500
Tactile Switches PTS645SH43-2 LFS PTS645SH43-2 LFS C&K 1: $0.367 6,713In Stock	Mfr. Part No. PTS645SH43-2 LFS Mouser Part No 611-PTS645SH432	C&K	Tactile Switches PTS645SH43-2 LFS Learn More about C&K ck pts 645 switches	Datasheet	6,713In Stock	$0.367 $0.318 $0.298 $0.268 View $0.237 $0.227 $0.222 $0.201 $0.182	Min.: 1 Mult.: 1
Tactile Switches PTS645SH70-2 LFS PTS645SH70-2 LFS C&K 1: $0.367 7,083In Stock	Mfr. Part No. PTS645SH70-2 LFS Mouser Part No 611-PTS645SH702	C&K	Tactile Switches PTS645SH70-2 LFS Learn More about C&K ck pts 645 switches	Datasheet	7,083In Stock	$0.367 $0.318 $0.298 $0.268 View $0.248 $0.234 $0.227 $0.209 $0.197	Min.: 1 Mult.: 1
Tactile Switches PTS645SK43-2 LFS PTS645SK43-2 LFS C&K 1: $0.381 4,786In Stock	Mfr. Part No. PTS645SK43-2 LFS Mouser Part No 611-PTS645SK432	C&K	Tactile Switches PTS645SK43-2 LFS Learn More about C&K ck pts 645 switches	Datasheet	4,786In Stock	$0.381 $0.336 $0.311 $0.282 View $0.26 $0.246 $0.239 $0.211 $0.201	Min.: 1 Mult.: 1

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