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Smart Thermostat Solutions

Littelfuse Smart Thermostat Solutions components allow designers to implement Internet of Things (IoT) solutions to boost energy efficiency and monitor energy usage. Littelfuse Smart Thermostat solutions complement other Smart Building features, including safety and security systems.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Resettable Fuses - PPTC 16V 5.0A-HD 40A SMD 2920L500/16MR-A Littelfuse 1: £2.04 1,186In Stock	Mfr. Part No. 2920L500/16MR-A Mouser Part No 576-2920L500/16MR-A	Littelfuse	Resettable Fuses - PPTC 16V 5.0A-HD 40A SMD Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	1,186In Stock	Cut Tape £2.04 £1.89 £1.56 £1.44 View Reel £0.943 £1.30 £1.20 £0.943 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 32V FA 1206 3.5A 043703.5WR Littelfuse 1: £1.16 3,393In Stock	Mfr. Part No. 043703.5WR Mouser Part No 576-043703.5WR	Littelfuse	Surface Mount Fuses 32V FA 1206 3.5A Learn More about Littelfuse 437 smt fuses	Datasheet	3,393In Stock	Cut Tape £1.16 £0.969 £0.89 £0.739 View Reel £0.491 £0.682 £0.613 £0.565 £0.491 £0.491 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional SMAJ22A Littelfuse 1: £0.271 87,214In Stock	Mfr. Part No. SMAJ22A Mouser Part No 576-SMAJ22A	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	87,214In Stock	Cut Tape £0.271 £0.155 £0.116 £0.092 Reel £0.061 View £0.083 £0.079 £0.052 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes SMF - CA 20V SMF20CA Littelfuse 1: £0.458 33,340In Stock	Mfr. Part No. SMF20CA Mouser Part No 576-SMF20CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 20V Learn More about Littelfuse smf tvs diodes	Datasheet	33,340In Stock	Cut Tape £0.458 £0.204 £0.18 £0.135 Reel £0.085 View £0.134 £0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 26V 100A 190pF V26MLA0805NT Littelfuse 1: £0.353 8,555In Stock	Mfr. Part No. V26MLA0805NT Mouser Part No 576-V26MLA0805NT	Littelfuse	Varistors 26V 100A 190pF Learn More about Littelfuse Littelfuse Varistors	Datasheet	8,555In Stock	Cut Tape £0.353 £0.221 £0.191 £0.177 View Reel £0.131 £0.169 £0.162 £0.155 £0.148 £0.131 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 1206 SLO-BLO 2.5A SLIMLINE HALIDE FREE 046802.5NR Littelfuse 1: £1.21 9,667In Stock	Mfr. Part No. 046802.5NR Mouser Part No 576-046802.5NR	Littelfuse	Surface Mount Fuses 1206 SLO-BLO 2.5A SLIMLINE HALIDE FREE	Datasheet	9,667In Stock	Cut Tape £1.21 £1.10 £0.986 £0.841 View Reel £0.681 £0.732 £0.681 £0.681 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC 1.85A 33V 2920 2920L185DR Littelfuse 1: £0.615 30,383In Stock 57,000On Order	Mfr. Part No. 2920L185DR Mouser Part No 576-2920L185	Littelfuse	Resettable Fuses - PPTC 1.85A 33V 2920 Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	30,383In Stock 57,000On Order On Order Ship Dates Mfr. No: 2920L185DR Stock: 30,383 Can Dispatch Immediately On Order: 16,500 Expected 29/10/2026 40,500 Expected 08/12/2026 Factory Lead Time: 13 Weeks	Cut Tape £0.615 £0.551 £0.468 £0.432 Reel £0.274 View £0.388 £0.358 £0.263 £0.257 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
ESD Protection Diodes / TVS Diodes 12V 100W SP12-01WTG-C-HV Littelfuse 1: £0.278 117,450In Stock	Mfr. Part No. SP12-01WTG-C-HV Mouser Part No 576-SP12-01WTG-C-HV	Littelfuse	ESD Protection Diodes / TVS Diodes 12V 100W Learn More about Littelfuse spxx hv	Datasheet	117,450In Stock	Cut Tape £0.278 £0.121 £0.106 £0.079 View Reel £0.04 £0.068 £0.059 £0.057 £0.04 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
LED Protection Devices LED PROTECTOR Bi 9V QFN 3X3 2L RoHS PLED9Q12 Littelfuse 1: £0.969 5,719In Stock	Mfr. Part No. PLED9Q12 Mouser Part No 576-PLED9Q12	Littelfuse	LED Protection Devices LED PROTECTOR Bi 9V QFN 3X3 2L RoHS Learn More about Littelfuse pled led protectors	Datasheet	5,719In Stock	Cut Tape £0.969 £0.457 £0.323 £0.299 Reel £0.299 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes TVS 500W 7V DO-214AA TR13 SACB7.0 Littelfuse 1: £0.899 19,416In Stock	Mfr. Part No. SACB7.0 Mouser Part No 576-SACB7.0	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 500W 7V DO-214AA TR13 Learn More about Littelfuse tvsdiodes	Datasheet	19,416In Stock	Cut Tape £0.899 £0.367 £0.285 £0.228 £0.22 Reel £0.182 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC SMDC030F-2 SMDC030F-2 Littelfuse 1: £0.533 6,033In Stock	Mfr. Part No. SMDC030F-2 Mouser Part No 650-SMDC030F-2	Littelfuse	Resettable Fuses - PPTC SMDC030F-2 Learn More about Littelfuse polyswitch smd ptcs	Datasheet	6,033In Stock	Cut Tape £0.533 £0.485 £0.404 £0.373 View Reel £0.219 £0.335 £0.308 £0.285 £0.27 £0.219 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Surface Mount Fuses 63V 1.25A FA 1206 04371.25WR Littelfuse 1: £1.17 3,028In Stock	Mfr. Part No. 04371.25WR Mouser Part No 576-04371.25WR	Littelfuse	Surface Mount Fuses 63V 1.25A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	3,028In Stock	Cut Tape £1.17 £1.04 £0.986 £0.796 View Reel £0.491 £0.682 £0.652 £0.566 £0.521 £0.491 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 63V 1.75A FA 1206 04371.75WR Littelfuse 1: £1.17 6,396In Stock	Mfr. Part No. 04371.75WR Mouser Part No 576-04371.75WR	Littelfuse	Surface Mount Fuses 63V 1.75A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	6,396In Stock	Cut Tape £1.17 £1.04 £0.986 £0.796 View Reel £0.503 £0.682 £0.652 £0.566 £0.521 £0.503 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 1206 SLO-BLO 3A SLIMLINE 0468003.WR Littelfuse 1: £1.26 3,253In Stock	Mfr. Part No. 0468003.WR Mouser Part No 576-0468003.WR	Littelfuse	Surface Mount Fuses 1206 SLO-BLO 3A SLIMLINE	Datasheet	3,253In Stock	Cut Tape £1.26 £1.11 £1.06 £0.856 View Reel £0.541 £0.733 £0.702 £0.608 £0.56 £0.541 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors MLV Varistor 18V 0402 ML SERIES STD V18MLA0402NR Littelfuse 1: £0.285 14,104In Stock	Mfr. Part No. V18MLA0402NR Mouser Part No 576-V18MLA0402NH	Littelfuse	Varistors MLV Varistor 18V 0402 ML SERIES STD Learn More about Littelfuse Littelfuse Varistors	Datasheet	14,104In Stock	Cut Tape £0.285 £0.176 £0.153 £0.141 View Reel £0.102 £0.134 £0.128 £0.122 £0.115 £0.102 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Resettable Fuses - PPTC 12V 0.1A Ih 5.8 Ohm femtoSMDC010F-02 Littelfuse 1: £0.841 3,587In Stock	Mfr. Part No. femtoSMDC010F-02 Mouser Part No 650-FEMTOSMDC010F-02	Littelfuse	Resettable Fuses - PPTC 12V 0.1A Ih 5.8 Ohm Learn More about Littelfuse indoor led protection	Datasheet	3,587In Stock	Cut Tape £0.841 £0.669 £0.563 £0.489 View Reel £0.299 £0.439 £0.405 £0.374 £0.346 £0.299 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional SMAJ350CA Littelfuse 1: £0.759 11,945In Stock	Mfr. Part No. SMAJ350CA Mouser Part No 576-SMAJ350CA	Littelfuse	ESD Protection Diodes / TVS Diodes 400W 350V 5% Bi-Directional Learn More about Littelfuse smaj tvs 400w diodes	Datasheet	11,945In Stock	Cut Tape £0.759 £0.35 £0.278 £0.228 Reel £0.145 View £0.218 £0.212 £0.143 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes SMF - A 180V SMF180A Littelfuse 1: £0.473 22,337In Stock	Mfr. Part No. SMF180A Mouser Part No 576-SMF180A	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - A 180V Learn More about Littelfuse smf tvs diodes	Datasheet	22,337In Stock	Cut Tape £0.473 £0.212 £0.185 £0.141 Reel £0.088 View £0.086 £0.077	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 6V 100A 1.4Ohms PICOSMDC035S-2 Littelfuse 1: £0.308 18,885In Stock	Mfr. Part No. PICOSMDC035S-2 Mouser Part No 650-PICOSMDC035S-2	Littelfuse	Resettable Fuses - PPTC 6V 100A 1.4Ohms Learn More about Littelfuse polyswitch smd ptcs	Datasheet	18,885In Stock	Cut Tape £0.308 £0.288 Reel £0.288 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes TVS 500W 8V DO-214AA TR13 SACB8.0 Littelfuse 1: £0.78 2,643In Stock	Mfr. Part No. SACB8.0 Mouser Part No 576-SACB8.0	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 500W 8V DO-214AA TR13 Learn More about Littelfuse tvsdiodes	Datasheet	2,643In Stock	Cut Tape £0.78 £0.488 £0.32 £0.246 £0.223 Reel £0.188 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 6V 2920 2.60A POLYFUSE 2920L260PR Littelfuse 1: £0.766 1,940In Stock	Mfr. Part No. 2920L260PR Mouser Part No 576-2920L260PR	Littelfuse	Resettable Fuses - PPTC 6V 2920 2.60A POLYFUSE Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	1,940In Stock	Cut Tape £0.766 £0.613 £0.516 £0.448 Reel £0.342 View £0.402 £0.371 £0.297 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
LED Protection Devices LED PROTECTOR 18V 1000mA QFN 3x3 PLED18Q12 Littelfuse 1: £1.01 3,590In Stock	Mfr. Part No. PLED18Q12 Mouser Part No 576-PLED18Q12	Littelfuse	LED Protection Devices LED PROTECTOR 18V 1000mA QFN 3x3 Learn More about Littelfuse pled led protectors	Datasheet	3,590In Stock	Cut Tape £1.01 £0.636 £0.419 £0.326 £0.299 Reel £0.299 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes SMF - CA 11V SMF11CA Littelfuse 1: £0.511 10,781In Stock	Mfr. Part No. SMF11CA Mouser Part No 576-SMF11CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMF - CA 11V Learn More about Littelfuse smf tvs diodes	Datasheet	10,781In Stock	Cut Tape £0.511 £0.245 £0.201 £0.15 Reel £0.093 View £0.134 £0.09 £0.082 £0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC SMDC310F/18-02 SMDC310F/18-02 Littelfuse 1: £1.96 953In Stock 3,000Expected 05/03/2027	Mfr. Part No. SMDC310F/18-02 Mouser Part No 650-SMDC310F/18-02	Littelfuse	Resettable Fuses - PPTC SMDC310F/18-02 Learn More about Littelfuse polyswitch smd ptcs	Datasheet	953In Stock 3,000Expected 05/03/2027	Cut Tape £1.96 £1.81 £1.50 £1.38 View Reel £0.899 £1.25 £1.15 £1.06 £0.899 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V18MLA0805NT Littelfuse 1: £0.353 5,337In Stock	Mfr. Part No. V18MLA0805NT Mouser Part No 576-V18MLA0805NT	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	5,337In Stock	Cut Tape £0.353 £0.221 £0.191 £0.177 View Reel £0.131 £0.169 £0.162 £0.155 £0.148 £0.131 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

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