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Solutions for Infrared Motion Detectors

Littelfuse offers protect, control, and sensing solutions to ensure robust, reliable designs of infrared motion detectors that will result in fewer field failures and a more cost-effective and profitable product. Smart homes and buildings are benefitting from intelligent technologies that enable them to be safer, more convenient, and energy-efficient. Infrared motion detectors combine convenience, safety, and energy conservation. Infrared motion detectors sense occupancy in an area that can then activate lighting, the HVAC system, or the alarm.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Varistors 23V 20mm Epoxy UltraMOV V20E23P Littelfuse 1: HK$8.30 12,240In Stock	Mfr. Part No. V20E23P Mouser Part No 576-V20E23P	Littelfuse	Varistors 23V 20mm Epoxy UltraMOV Learn More about Littelfuse ultramov 20mm varistors	Datasheet	12,240In Stock	HK$8.30 HK$5.38 HK$4.73 HK$4.43 View HK$4.23 HK$3.95 HK$3.67	Min.: 1 Mult.: 1
Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE V07E25PL2T Littelfuse 1: HK$2.38 9,292In Stock	Mfr. Part No. V07E25PL2T Mouser Part No 576-V07E25PL2T	Littelfuse	Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE Learn More about Littelfuse ultramov 7mm varistors	Datasheet	9,292In Stock	Cut Tape HK$2.38 HK$1.64 Reel HK$1.50 HK$1.48	Min.: 1 Mult.: 1 : 1,000
Varistors 11V 5mm Epoxy UltraMOV V05E11P Littelfuse 1: HK$3.21 2,883In Stock	Mfr. Part No. V05E11P Mouser Part No 576-V05E11P	Littelfuse	Varistors 11V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	2,883In Stock	HK$3.21 HK$1.95 HK$1.68 HK$1.55 View HK$1.47 HK$1.38 HK$1.32 HK$1.28	Min.: 1 Mult.: 1
Varistors 14V 5mm Epoxy UltraMOV V05E14P Littelfuse 1: HK$5.84 4,145In Stock	Mfr. Part No. V05E14P Mouser Part No 576-V05E14P	Littelfuse	Varistors 14V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	4,145In Stock	HK$5.84 HK$3.45 HK$2.39 HK$2.22 View HK$1.88 HK$1.48 HK$1.30	Min.: 1 Mult.: 1
Varistors 95V 5mm Epoxy UltraMOV V05E95P Littelfuse 1: HK$5.43 4,376In Stock	Mfr. Part No. V05E95P Mouser Part No 576-V05E95P	Littelfuse	Varistors 95V 5mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	4,376In Stock	HK$5.43 HK$3.24 HK$2.24 HK$2.08 View HK$1.76 HK$1.42 HK$1.13	Min.: 1 Mult.: 1
Varistors 11V 5mm Phenolic UltraMOV V05P11P Littelfuse 1: HK$6.41 3,738In Stock	Mfr. Part No. V05P11P Mouser Part No 576-V05P11P	Littelfuse	Varistors 11V 5mm Phenolic UltraMOV Learn More about Littelfuse LV	Datasheet	3,738In Stock	HK$6.41 HK$3.82 HK$2.65 HK$2.46 View HK$2.08 HK$1.95 HK$1.55 HK$1.42	Min.: 1 Mult.: 1
Varistors 23V 5mm Phenolic UltraMOV V05P23P Littelfuse 1: HK$6.41 4,120In Stock	Mfr. Part No. V05P23P Mouser Part No 576-V05P23P	Littelfuse	Varistors 23V 5mm Phenolic UltraMOV Learn More about Littelfuse LV	Datasheet	4,120In Stock	HK$6.41 HK$3.82 HK$2.65 HK$2.46 View HK$2.08 HK$1.95 HK$1.55 HK$1.42	Min.: 1 Mult.: 1
Varistors 25V 14mm Phenolic UltraMOV V14P25P Littelfuse 1: HK$12.25 749In Stock	Mfr. Part No. V14P25P Mouser Part No 576-V14P25P	Littelfuse	Varistors 25V 14mm Phenolic UltraMOV Learn More about Littelfuse ultramov 14mm varistors	Datasheet	749In Stock	HK$12.25 HK$7.48 HK$5.55 HK$5.15 View HK$4.39 HK$3.63 HK$3.49 HK$3.30 HK$3.19	Min.: 1 Mult.: 1
Reed Relays HE3621A6012 REED RELAY HE3621A6012 Littelfuse 1: HK$17.59 2,226In Stock Factory Special Order	Mfr. Part No. HE3621A6012 Mouser Part No 934-HE3621A6012 Factory Special Order	Littelfuse	Reed Relays HE3621A6012 REED RELAY Learn More about Littelfuse he3600	Datasheet	2,226In Stock	HK$17.59 HK$15.70 HK$14.96 HK$14.47 View HK$13.97 HK$13.32 HK$12.91 HK$12.33 HK$11.43	Min.: 1 Mult.: 1
Varistors 11V 7mm Epoxy UltraMOV V07E11P Littelfuse 1: HK$3.37 4,434In Stock	Mfr. Part No. V07E11P Mouser Part No 576-V07E11P	Littelfuse	Varistors 11V 7mm Epoxy UltraMOV Learn More about Littelfuse ultramov 7mm varistors	Datasheet	4,434In Stock	HK$3.37 HK$2.09 HK$2.01 HK$1.92 View HK$1.72 HK$1.59 HK$1.50 HK$1.41	Min.: 1 Mult.: 1
Varistors 23V 7mm Epoxy UltraMOV V07E23P Littelfuse 1: HK$3.37 4,073In Stock	Mfr. Part No. V07E23P Mouser Part No 576-V07E23P	Littelfuse	Varistors 23V 7mm Epoxy UltraMOV Learn More about Littelfuse ultramov 7mm varistors	Datasheet	4,073In Stock	HK$3.37 HK$2.09 HK$1.81 HK$1.68 View HK$1.59 HK$1.50 HK$1.44 HK$1.41	Min.: 1 Mult.: 1
Varistors 35V 10mm Epoxy UltraMOV V10E35P Littelfuse 1: HK$4.27 4,146In Stock	Mfr. Part No. V10E35P Mouser Part No 576-V10E35P	Littelfuse	Varistors 35V 10mm Epoxy UltraMOV Learn More about Littelfuse LV	Datasheet	4,146In Stock	HK$4.27 HK$2.71 HK$2.36 HK$2.19 View HK$2.10 HK$2.01 HK$1.91 HK$1.87	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional SMBJ350A Littelfuse 1: HK$6.82 5,229In Stock	Mfr. Part No. SMBJ350A Mouser Part No 576-SMBJ350A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	5,229In Stock	Cut Tape HK$6.82 HK$3.08 HK$2.72 HK$2.07 Reel HK$1.61 HK$1.56 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Motion & Position Sensors PIR Sensor, Dual Element, High Sensitivity, EMI Compensated ZSBG323671 ZiLOG 1: HK$20.39 25,278In Stock End of Life	Mfr. Part No. ZSBG323671 Mouser Part No 692-ZSBG323671 End of Life	ZiLOG	Board Mount Motion & Position Sensors PIR Sensor, Dual Element, High Sensitivity, EMI Compensated Learn More about ZiLOG zmotion pir sensors	Datasheet	25,278In Stock	HK$20.39 HK$18.17 HK$16.36 HK$15.62 View HK$13.97 HK$13.40 HK$13.07 HK$12.58 HK$11.51	Min.: 1 Mult.: 1
Board Mount Motion & Position Sensors PIR Sensor, Dual Element, Low Voltage, High EMI Compensated, White Light Protection ZSFG223611 ZiLOG 1: HK$19.32 5,564In Stock End of Life	Mfr. Part No. ZSFG223611 Mouser Part No 692-ZSFG223611 End of Life	ZiLOG	Board Mount Motion & Position Sensors PIR Sensor, Dual Element, Low Voltage, High EMI Compensated, White Light Protection Learn More about ZiLOG zmotion pir sensors	Datasheet	5,564In Stock	HK$19.32 HK$17.18 HK$15.45 HK$14.80 View HK$13.15 HK$12.66 HK$12.33 HK$11.18 HK$10.44	Min.: 1 Mult.: 1
Varistors 30V 5mm Phenolic UltraMOV V05P30P Littelfuse 1: HK$6.41 1In Stock 4,200Expected 19/4/2027	Mfr. Part No. V05P30P Mouser Part No 576-V05P30P	Littelfuse	Varistors 30V 5mm Phenolic UltraMOV Learn More about Littelfuse LV	Datasheet	1In Stock 4,200Expected 19/4/2027	HK$6.41 HK$3.82 HK$2.65 HK$2.46 View HK$2.08 HK$1.63 HK$1.56 HK$1.50 HK$1.42	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount SPST-NO 4PIN SOP CPC1008N IXYS Integrated Circuits 1: HK$22.77 54,703In Stock End of Life	Mfr. Part No. CPC1008N Mouser Part No 849-CPC1008N End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SPST-NO 4PIN SOP Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	54,703In Stock	HK$22.77 HK$20.71 HK$19.97 HK$19.40 View HK$16.69 HK$16.36 HK$16.28	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount SPNO RELAY CPC1017N IXYS Integrated Circuits 1: HK$7.07 183,715In Stock 120,000Expected 22/2/2027 End of Life	Mfr. Part No. CPC1017N Mouser Part No 849-CPC1017N End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount SPNO RELAY Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	183,715In Stock 120,000Expected 22/2/2027	HK$7.07 HK$6.32 HK$6.08 HK$4.86 View HK$4.67 HK$4.58 HK$4.36	Min.: 1 Mult.: 1
Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay CPC1017NTR IXYS Integrated Circuits 1: HK$15.78 80,677In Stock 148,000On Order End of Life	Mfr. Part No. CPC1017NTR Mouser Part No 849-CPC1017NTR End of Life	IXYS Integrated Circuits	Solid State Relays - PCB Mount 1-Form-A 60V 100mA Solid State Relay Learn More about IXYS Integrated Circuits littelfuse optomos 1 form a ssrs	Datasheet	80,677In Stock 148,000On Order On Order Ship Dates Mfr. No: CPC1017NTR Stock: 80,677 Can Dispatch Immediately On Order: 68,000 Expected 11/3/2027 80,000 Expected 25/5/2027 Factory Lead Time: 30 Weeks	Cut Tape HK$15.78 HK$14.55 HK$13.40 HK$12.99 Reel HK$11.18 View HK$12.49 HK$11.84 HK$11.51 HK$11.18 HK$10.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
ESD Protection Diodes / TVS Diodes 600W 12V 5% Uni-Directional SMBJ12A Littelfuse 1: HK$4.03 45,365In Stock 78,000On Order	Mfr. Part No. SMBJ12A Mouser Part No 576-SMBJ12A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 12V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	45,365In Stock 78,000On Order On Order Ship Dates Mfr. No: SMBJ12A Stock: 45,365 Can Dispatch Immediately On Order: 33,000 Expected 25/11/2026 45,000 Expected 13/4/2027 Factory Lead Time: 35 Weeks	Cut Tape HK$4.03 HK$1.79 HK$1.57 HK$1.18 Reel HK$0.732 View HK$1.06 HK$0.649 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 15V 5% Uni-Directional SMBJ15A Littelfuse 1: HK$3.45 24,659In Stock 54,000On Order	Mfr. Part No. SMBJ15A Mouser Part No 576-SMBJ15A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 15V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	24,659In Stock 54,000On Order On Order Ship Dates Mfr. No: SMBJ15A Stock: 24,659 Can Dispatch Immediately On Order: 27,000 Expected 14/12/2026 27,000 Expected 2/8/2027 Factory Lead Time: 35 Weeks	Cut Tape HK$3.45 HK$1.79 HK$1.42 HK$1.05 Reel HK$0.699 View HK$0.921 HK$0.649 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional SMBJ18CA Littelfuse 1: HK$4.69 61,769In Stock 36,000Expected 23/11/2026	Mfr. Part No. SMBJ18CA Mouser Part No 576-SMBJ18CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	61,769In Stock 36,000Expected 23/11/2026	Cut Tape HK$4.69 HK$2.11 HK$1.85 HK$1.27 Reel HK$0.871 View HK$1.14 HK$0.863 HK$0.789 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 20V 5% Bi-Directional SMBJ20CA Littelfuse 1: HK$5.01 19,461In Stock 33,000Expected 28/12/2026	Mfr. Part No. SMBJ20CA Mouser Part No 576-SMBJ20CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 20V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	19,461In Stock 33,000Expected 28/12/2026	Cut Tape HK$5.01 HK$2.24 HK$1.92 HK$1.32 Reel HK$0.863 View HK$1.19 HK$0.797 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 220V 5% Bi-Directional SMBJ220CA Littelfuse 1: HK$8.47 38,246In Stock	Mfr. Part No. SMBJ220CA Mouser Part No 576-SMBJ220CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 220V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	38,246In Stock	Cut Tape HK$8.47 HK$3.89 HK$3.44 HK$2.65 Reel HK$1.77 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 24V 5% Uni-Directional SMBJ24A Littelfuse 1: HK$4.11 134,691In Stock	Mfr. Part No. SMBJ24A Mouser Part No 576-SMBJ24A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 24V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	134,691In Stock	Cut Tape HK$4.11 HK$1.84 HK$1.61 HK$1.21 Reel HK$0.732 View HK$1.14 HK$0.715 HK$0.649 MouseReel Available	Min.: 1 Mult.: 1 : 3,000