Circuit Protection – Mouser Japan

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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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Types of Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V18MLA1210NH Littelfuse 1: ¥280.7 29,806In Stock	Mfr. Part # V18MLA1210NH Mouser Part # 576-V18MLA1210NH	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	29,806In Stock	Cut Tape ¥280.7 ¥187.7 ¥166.1 ¥156.1 View Reel ¥135.2 ¥150.2 ¥142 ¥135.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 33V 180A 500pF V33MLA1206NH Littelfuse 1: ¥212.6 33,861In Stock	Mfr. Part # V33MLA1206NH Mouser Part # 576-V33MLA1206NH	Littelfuse	Varistors 33V 180A 500pF Learn More about Littelfuse Littelfuse Varistors	Datasheet	33,861In Stock	Cut Tape ¥212.6 ¥139.5 ¥123.4 ¥115.8 View Reel ¥98.8 ¥111.1 ¥107.3 ¥98.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Varistors 48V 250A 520pF V48MLA1210NH Littelfuse 1: ¥240.8 9,768In Stock 2,000Expected 11/26/2026	Mfr. Part # V48MLA1210NH Mouser Part # 576-V48MLA1210NH	Littelfuse	Varistors 48V 250A 520pF Learn More about Littelfuse Littelfuse Varistors	Datasheet	9,768In Stock 2,000Expected 11/26/2026	Cut Tape ¥240.8 ¥159.1 ¥141 ¥132.4 View Reel ¥113.9 ¥127.2 ¥119.8 ¥113.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Bi-Di .10pF 20kV SESD SESD0201X1BN-0010-098 Littelfuse 1: ¥182.7 65,289In Stock	Mfr. Part # SESD0201X1BN-0010-098 Mouser Part # 650-SESD0201X1BN0010	Littelfuse	ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Bi-Di .10pF 20kV SESD Learn More about Littelfuse SESD protection devices	Datasheet	65,289In Stock	Cut Tape ¥182.7 ¥84.5 ¥74.9 ¥57.8 View Reel ¥39.4 ¥56.6 ¥55.8 ¥54.8 ¥39.4 ¥39.4 MouseReel Available	Min.: 1 Mult.: 1 : 75,000
ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Uni-Di .20pF 20kV SESD SESD0201X1UN-0020-090 Littelfuse 1: ¥162.8 126,900In Stock	Mfr. Part # SESD0201X1UN-0020-090 Mouser Part # 650-SESD0201X1UN0020	Littelfuse	ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Uni-Di .20pF 20kV SESD Learn More about Littelfuse SESD protection devices	Datasheet	126,900In Stock	Cut Tape ¥162.8 ¥75.9 ¥67.1 ¥51.5 View Reel ¥34.1 ¥50.7 ¥49.7 ¥34.1 ¥34.1 MouseReel Available	Min.: 1 Mult.: 1 : 75,000
ESD Protection Diodes / TVS Diodes 2-CH 0402 9V Uni-Di .20pF 20kV SESD SESD0402Q2UG-0020-090 Littelfuse 1: ¥225.9 52,533In Stock	Mfr. Part # SESD0402Q2UG-0020-090 Mouser Part # 650-SESD0402Q2UG0020	Littelfuse	ESD Protection Diodes / TVS Diodes 2-CH 0402 9V Uni-Di .20pF 20kV SESD Learn More about Littelfuse SESD protection devices	Datasheet	52,533In Stock	Cut Tape ¥225.9 ¥129.6 ¥105.1 ¥87 View Reel ¥52.3 ¥68.8 ¥63 ¥62 ¥59.5 ¥52.3 ¥52.3 MouseReel Available	Min.: 1 Mult.: 1 : 50,000
ESD Protection Diodes / TVS Diodes 1-CH 0402 9V Bi-Di .10pF 20kV SESD SESD0402X1BN-0010-098 Littelfuse 1: ¥174.4 135,137In Stock	Mfr. Part # SESD0402X1BN-0010-098 Mouser Part # 650-SESD0402X1BN0010	Littelfuse	ESD Protection Diodes / TVS Diodes 1-CH 0402 9V Bi-Di .10pF 20kV SESD Learn More about Littelfuse SESD protection devices	Datasheet	135,137In Stock	Cut Tape ¥174.4 ¥85 ¥75.2 ¥58 View Reel ¥36.7 ¥53.7 ¥49.2 ¥47.7 ¥36.7 ¥36.7 MouseReel Available	Min.: 1 Mult.: 1 : 50,000
ESD Protection Diodes / TVS Diodes 1-CH 0402 9V Uni-Di .20pF 20kV SESD SESD0402X1UN-0020-090 Littelfuse 1: ¥151.2 203,393In Stock 150,000Expected 11/25/2026	Mfr. Part # SESD0402X1UN-0020-090 Mouser Part # 650-SESD0402X1UN0020	Littelfuse	ESD Protection Diodes / TVS Diodes 1-CH 0402 9V Uni-Di .20pF 20kV SESD Learn More about Littelfuse SESD protection devices	Datasheet	203,393In Stock 150,000Expected 11/25/2026	Cut Tape ¥151.2 ¥71.4 ¥63.1 ¥48.3 View Reel ¥31.4 ¥46.8 ¥45 ¥44.3 ¥31.4 ¥31.4 MouseReel Available	Min.: 1 Mult.: 1 : 50,000
ESD Protection Diodes / TVS Diodes 24V, 40V PESD Protection Device PESD0402-240 Littelfuse 1: ¥122.9 31,765In Stock 40,000Expected 12/1/2026	Mfr. Part # PESD0402-240 Mouser Part # 650-PESD0402-240	Littelfuse	ESD Protection Diodes / TVS Diodes 24V, 40V PESD Protection Device Learn More about Littelfuse teconnectivity pesd	Datasheet	31,765In Stock 40,000Expected 12/1/2026	Cut Tape ¥122.9 ¥60 ¥52.8 ¥40.2 View Reel ¥24.9 ¥38.4 ¥37.5 ¥24.9 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 0.25pFA 14V 1206 AEC-Q200 PESD1206Q-240 Littelfuse 1: ¥229.2 4,165In Stock	Mfr. Part # PESD1206Q-240 Mouser Part # 650-PESD1206Q-240	Littelfuse	ESD Protection Diodes / TVS Diodes 0.25pFA 14V 1206 AEC-Q200 Learn More about Littelfuse teconnectivity pesd	Datasheet	4,165In Stock	Cut Tape ¥229.2 ¥143.7 ¥109.8 ¥94 View Reel ¥51.3 ¥72.8 ¥61.6 ¥58.6 ¥51.3 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.35A 2920L035DR Littelfuse 1: ¥117.9 1,764In Stock	Mfr. Part # 2920L035DR Mouser Part # 576-2920L035DR	Littelfuse	Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.35A Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	1,764In Stock	Cut Tape ¥117.9 ¥107.5 ¥89.4 ¥82.4 Reel ¥61.6 View ¥74.1 ¥68.3 ¥51.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.50A 2920L050/72DR Littelfuse 1: ¥141.2 1,750In Stock 12,000Expected 3/1/2027	Mfr. Part # 2920L050/72DR Mouser Part # 576-2920L050/72DR	Littelfuse	Resettable Fuses - PPTC PTC 72V POLYFUSE SURF MOUNT 2920 0.50A Learn More about Littelfuse 2920l polyswitch resettable fuses	Datasheet	1,750In Stock 12,000Expected 3/1/2027	Cut Tape ¥141.2 ¥129.9 ¥107.8 ¥99.5 Reel ¥65.8 View ¥89.4 ¥82.6 ¥63.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Surface Mount Fuses FUSE 125V FA 1206 .250A AECQ 0437.250WRA Littelfuse 1: ¥224.2 12,297In Stock 21,000On Order	Mfr. Part # 0437.250WRA Mouser Part # 576-0437.250WRA	Littelfuse	Surface Mount Fuses FUSE 125V FA 1206 .250A AECQ	Datasheet	12,297In Stock 21,000On Order On Order Ship Dates Mfr. #: 0437.250WRA Stock: 12,297 Can Ship Immediately On Order: 9,000 Expected 3/11/2027 12,000 Expected 3/25/2027 Factory Lead-Time: 21 Weeks	Cut Tape ¥224.2 ¥206 ¥171.1 ¥157.5 View Reel ¥124.9 ¥141.5 ¥130.4 ¥124.9 ¥124.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 125V .375A FA 1206 0437.375WR Littelfuse 1: ¥217.6 7,701In Stock	Mfr. Part # 0437.375WR Mouser Part # 576-0437.375WR	Littelfuse	Surface Mount Fuses 125V .375A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	7,701In Stock	Cut Tape ¥217.6 ¥194.3 ¥181 ¥149.8 View Reel ¥95.2 ¥126.6 ¥121.8 ¥104.8 ¥96.7 ¥95.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses .375A 125V AECQ 0437.375WRA Littelfuse 1: ¥260.8 15,662In Stock	Mfr. Part # 0437.375WRA Mouser Part # 576-0437.375WRA	Littelfuse	Surface Mount Fuses .375A 125V AECQ	Datasheet	15,662In Stock	Cut Tape ¥260.8 ¥240.8 ¥199.3 ¥184.4 View Reel ¥124.9 ¥164.9 ¥152.1 ¥140.2 ¥124.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 63V .500A FA 1206 0437.500WR Littelfuse 1: ¥204.3 10,720In Stock	Mfr. Part # 0437.500WR Mouser Part # 576-0437.500WR	Littelfuse	Surface Mount Fuses 63V .500A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	10,720In Stock	Cut Tape ¥204.3 ¥187.7 ¥152.5 ¥133 View Reel ¥95.2 ¥120.8 ¥111.3 ¥109.1 ¥95.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 63V .750A FA 1206 0437.750WR Littelfuse 1: ¥249.2 3,195In Stock	Mfr. Part # 0437.750WR Mouser Part # 576-0437.750WR	Littelfuse	Surface Mount Fuses 63V .750A FA 1206 Learn More about Littelfuse 437 smt fuses	Datasheet	3,195In Stock	Cut Tape ¥249.2 ¥230.9 ¥191 ¥176.1 View Reel ¥119.3 ¥148.2 ¥136.7 ¥126.7 ¥119.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 63V FA 1206 2A 0437002.WR Littelfuse 1: ¥249.2 3,037In Stock 3,000Expected 4/29/2027	Mfr. Part # 0437002.WR Mouser Part # 576-0437002.WR	Littelfuse	Surface Mount Fuses 63V FA 1206 2A Learn More about Littelfuse 437 smt fuses	Datasheet	3,037In Stock 3,000Expected 4/29/2027	Cut Tape ¥249.2 ¥230.9 ¥191 ¥176.1 View Reel ¥104.3 ¥158.1 ¥145.8 ¥134.4 ¥104.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 32V FA 1206 3A 0437003.WR Littelfuse 1: ¥264.1 8,391In Stock 6,000Expected 5/17/2027	Mfr. Part # 0437003.WR Mouser Part # 576-0437003.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 3A Learn More about Littelfuse 437 smt fuses	Datasheet	8,391In Stock 6,000Expected 5/17/2027	Cut Tape ¥264.1 ¥234.2 ¥202.6 ¥179.4 View Reel ¥119.3 ¥160.1 ¥145.8 ¥134.4 ¥119.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 32V FA 1206 4A 0437004.WR Littelfuse 1: ¥264.1 4,298In Stock 6,000Expected 11/24/2026	Mfr. Part # 0437004.WR Mouser Part # 576-0437004.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 4A Learn More about Littelfuse 437 smt fuses	Datasheet	4,298In Stock 6,000Expected 11/24/2026	Cut Tape ¥264.1 ¥230.9 ¥194.3 ¥176.1 View Reel ¥119.3 ¥160.1 ¥145.8 ¥132 ¥119.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 32V FA 1206 5A 0437005.WR Littelfuse 1: ¥264.1 11,393In Stock	Mfr. Part # 0437005.WR Mouser Part # 576-0437005.WR	Littelfuse	Surface Mount Fuses 32V FA 1206 5A Learn More about Littelfuse 437 smt fuses	Datasheet	11,393In Stock	Cut Tape ¥264.1 ¥244.2 ¥202.6 ¥187.7 View Reel ¥119.3 ¥167.8 ¥154.5 ¥138 ¥119.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 32V FA 1206 2.5A 043702.5WR Littelfuse 1: ¥287.4 2,415In Stock	Mfr. Part # 043702.5WR Mouser Part # 576-043702.5WR	Littelfuse	Surface Mount Fuses 32V FA 1206 2.5A Learn More about Littelfuse 437 smt fuses	Datasheet	2,415In Stock	Cut Tape ¥287.4 ¥249.2 ¥229.2 ¥191 View Reel ¥119.3 ¥171.1 ¥157.3 ¥142.7 ¥132.5 ¥119.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 63V .5A Slo-Blo 0468.500NR Littelfuse 1: ¥217.6 13,557In Stock 45,000On Order	Mfr. Part # 0468.500NR Mouser Part # 576-0468.500NR	Littelfuse	Surface Mount Fuses 63V .5A Slo-Blo	Datasheet	13,557In Stock 45,000On Order On Order Ship Dates Mfr. #: 0468.500NR Stock: 13,557 Can Ship Immediately On Order: 25,000 Expected 12/14/2026 20,000 Expected 12/29/2026 Factory Lead-Time: 19 Weeks	Cut Tape ¥217.6 ¥167.8 ¥140.5 ¥127.2 View Reel ¥104.3 ¥114.4 ¥105.5 ¥104.3 ¥104.3 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 1206 SLO-BLO .500A SLIMLINE HALIDE FREE 0468.500NRHF Littelfuse 1: ¥287.4 14,185In Stock 10,000Expected 1/5/2027	Mfr. Part # 0468.500NRHF Mouser Part # 576-0468.500NRHF	Littelfuse	Surface Mount Fuses 1206 SLO-BLO .500A SLIMLINE HALIDE FREE	Datasheet	14,185In Stock 10,000Expected 1/5/2027	Cut Tape ¥287.4 ¥249.2 ¥229.2 ¥191 View Reel ¥119.3 ¥171.1 ¥157.3 ¥142 ¥131.4 ¥119.3 ¥119.3 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 1206 SLO-BLO 1A SLIMLINE HALIDE FREE 0468001.NRHF Littelfuse 1: ¥249.2 19,630In Stock	Mfr. Part # 0468001.NRHF Mouser Part # 576-0468001.NRHF	Littelfuse	Surface Mount Fuses 1206 SLO-BLO 1A SLIMLINE HALIDE FREE	Datasheet	19,630In Stock	Cut Tape ¥249.2 ¥222.6 ¥186 ¥171.1 View Reel ¥119.3 ¥154 ¥141.7 ¥129.2 ¥123.7 ¥119.3 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

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Smart Thermostat Solutions

Types of Circuit Protection