Circuit Protection – Mouser Liechtenstein

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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 (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
Resettable Fuses - PPTC 1.85A 33V 2920 2920L185DR Littelfuse 1: CHF 0.66 45’033In Stock 40’500Expected 12/24/2026	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	45’033In Stock 40’500Expected 12/24/2026	Cut Tape CHF 0.66 CHF 0.572 CHF 0.502 CHF 0.463 View Reel CHF 0.269 CHF 0.417 CHF 0.384 CHF 0.269 MouseReel Available	Min.: 1 Mult.: 1 : 1’500
Resettable Fuses - PPTC 16V 5.0A-HD 40A SMD 2920L500/16MR-A Littelfuse 1: CHF 2.19 1’181In 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	1’181In Stock	Cut Tape CHF 2.19 CHF 2.02 CHF 1.68 CHF 1.54 View Reel CHF 1.01 CHF 1.39 CHF 1.28 CHF 1.01 MouseReel Available	Min.: 1 Mult.: 1 : 1’000
Varistors 3.5 VDC .3J 13V-CL 120A P V3.5MLA0805NT Littelfuse 1: CHF 0.378 10’000In Stock	Mfr. Part No. V3.5MLA0805NT Mouser Part No 576-V3.5MLA0805NT	Littelfuse	Varistors 3.5 VDC .3J 13V-CL 120A P Learn More about Littelfuse Littelfuse Varistors	Datasheet	10’000In Stock	Cut Tape CHF 0.378 CHF 0.237 CHF 0.204 CHF 0.19 View Reel CHF 0.14 CHF 0.182 CHF 0.173 CHF 0.166 CHF 0.16 CHF 0.14 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
Varistors 5.5 VDC .05J 21V-CL 185PF P V5.5MLA0402NR Littelfuse 1: CHF 0.241 49’331In Stock 30’000Expected 12/22/2026	Mfr. Part No. V5.5MLA0402NR Mouser Part No 576-V5.5MLA0402NR	Littelfuse	Varistors 5.5 VDC .05J 21V-CL 185PF P Learn More about Littelfuse Littelfuse Varistors	Datasheet	49’331In Stock 30’000Expected 12/22/2026	Cut Tape CHF 0.241 CHF 0.149 CHF 0.134 CHF 0.126 View Reel CHF 0.11 CHF 0.123 CHF 0.118 CHF 0.113 CHF 0.112 CHF 0.11 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
Surface Mount Fuses 63V 1.25A FA 1206 04371.25WR Littelfuse 1: CHF 1.25 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 CHF 1.25 CHF 1.11 CHF 1.06 CHF 0.854 View Reel CHF 0.526 CHF 0.731 CHF 0.699 CHF 0.607 CHF 0.559 CHF 0.526 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Surface Mount Fuses 63V 1.75A FA 1206 04371.75WR Littelfuse 1: CHF 1.25 4’296In 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	4’296In Stock	Cut Tape CHF 1.25 CHF 1.11 CHF 1.06 CHF 0.854 View Reel CHF 0.526 CHF 0.731 CHF 0.699 CHF 0.607 CHF 0.559 CHF 0.526 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Surface Mount Fuses 1206 SLO-BLO 3A SLIMLINE 0468003.WR Littelfuse 1: CHF 1.35 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 CHF 1.35 CHF 1.19 CHF 1.13 CHF 0.917 View Reel CHF 0.566 CHF 0.786 CHF 0.753 CHF 0.652 CHF 0.601 CHF 0.566 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Varistors MLV Varistor 18V 0402 ML SERIES STD V18MLA0402NR Littelfuse 1: CHF 0.306 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 CHF 0.306 CHF 0.189 CHF 0.164 CHF 0.152 View Reel CHF 0.11 CHF 0.144 CHF 0.138 CHF 0.131 CHF 0.124 CHF 0.11 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
Surface Mount Fuses 1206 SLO-BLO 2.5A SLIMLINE HALIDE FREE 046802.5NR Littelfuse 1: CHF 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 CHF 1.21 CHF 1.09 CHF 0.926 CHF 0.829 View Reel CHF 0.73 CHF 0.749 CHF 0.73 CHF 0.73 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
ESD Protection Diodes / TVS Diodes 12V 100W SP12-01WTG-C-HV Littelfuse 1: CHF 0.298 112’926In 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	112’926In Stock	Cut Tape CHF 0.298 CHF 0.13 CHF 0.113 CHF 0.084 View Reel CHF 0.043 CHF 0.073 CHF 0.064 CHF 0.061 CHF 0.043 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
Surface Mount Fuses 32V FA 1206 3.5A 043703.5WR Littelfuse 1: CHF 1.24 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 CHF 1.24 CHF 1.04 CHF 0.955 CHF 0.792 View Reel CHF 0.526 CHF 0.731 CHF 0.657 CHF 0.606 CHF 0.558 CHF 0.526 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional SMAJ22A Littelfuse 1: CHF 0.273 42’135In 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	42’135In Stock	Cut Tape CHF 0.273 CHF 0.13 CHF 0.118 CHF 0.093 Reel CHF 0.066 View CHF 0.091 CHF 0.085 CHF 0.056 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
ESD Protection Diodes / TVS Diodes SMF - CA 20V SMF20CA Littelfuse 1: CHF 0.491 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 CHF 0.491 CHF 0.219 CHF 0.193 CHF 0.145 Reel CHF 0.084 View CHF 0.143 CHF 0.083 CHF 0.08 CHF 0.078 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Varistors 26V 100A 190pF V26MLA0805NT Littelfuse 1: CHF 0.378 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 CHF 0.378 CHF 0.237 CHF 0.205 CHF 0.19 View Reel CHF 0.14 CHF 0.182 CHF 0.174 CHF 0.166 CHF 0.158 CHF 0.14 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
Varistors MLV VARISTOR 9V 0402 ML SERIES LOW CAP V9MLA0402LNR Littelfuse 1: CHF 0.257 10’228In Stock	Mfr. Part No. V9MLA0402LNR Mouser Part No 576-V9MLA0402LNR	Littelfuse	Varistors MLV VARISTOR 9V 0402 ML SERIES LOW CAP Learn More about Littelfuse Littelfuse Varistors	Datasheet	10’228In Stock	Cut Tape CHF 0.257 CHF 0.161 CHF 0.139 CHF 0.129 View Reel CHF 0.11 CHF 0.123 CHF 0.117 CHF 0.111 CHF 0.11 CHF 0.11 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
LED Protection Devices LED PROTECTOR Bi 9V QFN 3X3 2L RoHS PLED9Q12 Littelfuse 1: CHF 1.04 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 CHF 1.04 CHF 0.433 CHF 0.321 Reel CHF 0.321 MouseReel Available	Min.: 1 Mult.: 1 : 5’000
ESD Protection Diodes / TVS Diodes TVS 500W 7V DO-214AA TR13 SACB7.0 Littelfuse 1: CHF 0.877 18’646In 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	18’646In Stock	Cut Tape CHF 0.877 CHF 0.318 CHF 0.273 CHF 0.228 CHF 0.226 Reel CHF 0.195 MouseReel Available	Min.: 1 Mult.: 1 : 3’000
Resettable Fuses - PPTC SMDC030F-2 SMDC030F-2 Littelfuse 1: CHF 0.572 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 CHF 0.572 CHF 0.52 CHF 0.433 CHF 0.40 View Reel CHF 0.227 CHF 0.359 CHF 0.33 CHF 0.305 CHF 0.289 CHF 0.227 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
Resettable Fuses - PPTC 2.50A 15V 2920 2920L250DR Littelfuse 1: CHF 0.644 14’714In Stock	Mfr. Part No. 2920L250DR Mouser Part No 576-2920L250	Littelfuse	Resettable Fuses - PPTC 2.50A 15V 2920 Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	14’714In Stock	Cut Tape CHF 0.644 CHF 0.586 CHF 0.502 CHF 0.451 View Reel CHF 0.34 CHF 0.409 CHF 0.374 CHF 0.34 MouseReel Available	Min.: 1 Mult.: 1 : 1’500
ESD Protection Diodes / TVS Diodes SMF - A 180V SMF180A Littelfuse 1: CHF 0.507 21’337In 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	21’337In Stock	Cut Tape CHF 0.507 CHF 0.227 CHF 0.198 CHF 0.151 Reel CHF 0.091 View CHF 0.084 CHF 0.083 CHF 0.082	Min.: 1 Mult.: 1 : 3’000
Resettable Fuses - PPTC 6V 100A 1.4Ohms PICOSMDC035S-2 Littelfuse 1: CHF 0.74 18’385In 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	18’385In Stock	Cut Tape CHF 0.74 CHF 0.596 CHF 0.503 CHF 0.435 View Reel CHF 0.309 CHF 0.391 CHF 0.361 CHF 0.332 CHF 0.309 CHF 0.309 MouseReel Available	Min.: 1 Mult.: 1 : 4’000
Varistors Automotive Varistor AEC-Q200 V68MLA1206NHAUTO Littelfuse 1: CHF 1.47 2’799In Stock	Mfr. Part No. V68MLA1206NHAUTO Mouser Part No 576-V68MLA1206NHAUTO	Littelfuse	Varistors Automotive Varistor AEC-Q200	Datasheet	2’799In Stock	Cut Tape CHF 1.47 CHF 0.992 CHF 0.768 CHF 0.717 View Reel CHF 0.472 CHF 0.634 CHF 0.505 CHF 0.472 MouseReel Available	Min.: 1 Mult.: 1 : 2’500
Resettable Fuses - PPTC 6V 2920 2.60A POLYFUSE 2920L260PR Littelfuse 1: CHF 0.821 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 CHF 0.821 CHF 0.657 CHF 0.553 CHF 0.48 Reel CHF 0.367 View CHF 0.431 CHF 0.398 CHF 0.318 MouseReel Available	Min.: 1 Mult.: 1 : 2’000
ESD Protection Diodes / TVS Diodes 200W 28V 5% Uni-directional SMF28A-T13 Littelfuse 1: CHF 0.499 6’430In Stock 10’000Expected 3/4/2027	Mfr. Part No. SMF28A-T13 Mouser Part No 576-SMF28A-T13	Littelfuse	ESD Protection Diodes / TVS Diodes 200W 28V 5% Uni-directional Learn More about Littelfuse smf tvs diodes	Datasheet	6’430In Stock 10’000Expected 3/4/2027	Cut Tape CHF 0.499 CHF 0.23 CHF 0.198 CHF 0.148 CHF 0.129 Reel CHF 0.074 MouseReel Available	Min.: 1 Mult.: 1 : 10’000
LED Protection Devices LED PROTECTOR 18V 1000mA QFN 3x3 PLED18Q12 Littelfuse 1: CHF 1.09 3’600In Stock 5’000Expected 12/21/2026	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	3’600In Stock 5’000Expected 12/21/2026	Cut Tape CHF 1.09 CHF 0.681 CHF 0.449 CHF 0.349 CHF 0.321 Reel CHF 0.321 MouseReel Available	Min.: 1 Mult.: 1 : 5’000

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Smart Thermostat Solutions

Types of Circuit Protection