Circuit Protection – Mouser Japan

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Circuit Protection for IoT Wearable Devices

Littelfuse Circuit Protection for IoT Wearable Devices provide protection and are also extremely small in size to be compatible with the small form factor of IoT Wearables. For general purpose circuits (buttons, audio, etc.), the SP1013 and SP1014 are available in 0201 size; for the ultimate in small size, the SP1020 and SP1021 are 01005 size. For high-frequency circuits (RF), the SP3022 is available with 0.35pF and 0201 size.

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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.
Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.5A 1812L350SLPR Littelfuse 1: ¥362.1 722In Stock	Mfr. Part # 1812L350SLPR Mouser Part # 576-1812L350SLPR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.5A Learn More about Littelfuse lorho	Datasheet	722In Stock	Cut Tape ¥362.1 ¥335.5 ¥277.4 ¥255.8 View Reel ¥181 ¥230.9 ¥196 ¥181 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V18MLA0603NR Littelfuse 1: ¥74.7 3,849In Stock	Mfr. Part # V18MLA0603NR Mouser Part # 576-V18MLA0603NR	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	3,849In Stock	Cut Tape ¥74.7 ¥46.8 ¥40.5 ¥37.5 View Reel ¥30.2 ¥35.7 ¥34.2 ¥30.2 ¥30.2 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.1A 1206L110/12SLYR Littelfuse 1: ¥478.4 3,813Expected 1/7/2027	Mfr. Part # 1206L110/12SLYR Mouser Part # 576-1206L110/12SLYR	Littelfuse	Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.1A Learn More about Littelfuse lorho	Datasheet	3,813Expected 1/7/2027	Cut Tape ¥478.4 ¥448.5 ¥372.1 ¥333.9 View Reel ¥234.2 ¥308.9 ¥277.4 ¥255.8 ¥245.8 ¥234.2 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A 1210L200SLYR Littelfuse 1: ¥378.7 3,999Expected 4/5/2027	Mfr. Part # 1210L200SLYR Mouser Part # 576-1210L200SLYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A Learn More about Littelfuse lorho	Datasheet	3,999Expected 4/5/2027	Cut Tape ¥378.7 ¥333.9 ¥275.7 ¥247.5 View Reel ¥181 ¥229.2 ¥209.3 ¥192.7 ¥186 ¥181 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2.6A 1210L260SLYR Littelfuse 1: ¥377 4,000Expected 12/1/2026	Mfr. Part # 1210L260SLYR Mouser Part # 576-1210L260SLYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2.6A Learn More about Littelfuse lorho	Datasheet	4,000Expected 12/1/2026	Cut Tape ¥377 ¥307.3 ¥247.5 ¥220.9 View Reel ¥163.9 ¥206 ¥182.7 ¥169.4 ¥164.1 ¥163.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.00A 1812L300SLPR Littelfuse 1: ¥362.1 1,998Expected 12/31/2026	Mfr. Part # 1812L300SLPR Mouser Part # 576-1812L300SLPR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.00A Learn More about Littelfuse lorho	Datasheet	1,998Expected 12/31/2026	Cut Tape ¥362.1 ¥335.5 ¥277.4 ¥255.8 View Reel ¥181 ¥230.9 ¥196 ¥181 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors MLV SMF FOR AUTO V30MLA1206NH Littelfuse 1: ¥212.6 8,033On Order	Mfr. Part # V30MLA1206NH Mouser Part # 576-V30MLA1206NH	Littelfuse	Varistors MLV SMF FOR AUTO Learn More about Littelfuse Littelfuse Varistors	Datasheet	8,033On Order On Order Ship Dates Mfr. #: V30MLA1206NH Stock: 0 On Order: 533 Expected 11/26/2026 2,500 Expected 6/7/2027 5,000 Expected 6/14/2027 Factory Lead-Time: 33 Weeks	Cut Tape ¥212.6 ¥139.5 ¥123.4 ¥115.8 View Reel ¥98.8 ¥111.1 ¥106 ¥98.8	Min.: 1 Mult.: 1 : 2,500
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V48MLA1206NH Littelfuse 1: ¥225.9 4,950Expected 12/29/2026	Mfr. Part # V48MLA1206NH Mouser Part # 576-V48MLA1206NH	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	4,950Expected 12/29/2026	Cut Tape ¥225.9 ¥148 ¥130.9 ¥122.7 View Reel ¥98.8 ¥117.8 ¥107.1 ¥98.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V5.5MLA0805LNT Littelfuse 1: ¥83.1 8,468Expected 7/1/2027	Mfr. Part # V5.5MLA0805LNT Mouser Part # 576-V5.5MLA0805LNT	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	8,468Expected 7/1/2027	Cut Tape ¥83.1 ¥51.8 ¥44.8 ¥41.5 View Reel ¥31.7 ¥39.5 ¥38 ¥35.9 ¥31.7 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Varistors 5.5 VDC .3J 17.5V-CL 120A P V5.5MLA0805NH Littelfuse 1: ¥104.6 20,000Expected 5/17/2027	Mfr. Part # V5.5MLA0805NH Mouser Part # 576-V5.5MLA0805NH	Littelfuse	Varistors 5.5 VDC .3J 17.5V-CL 120A P Learn More about Littelfuse Littelfuse Varistors	Datasheet	20,000Expected 5/17/2027	Cut Tape ¥104.6 ¥64.6 ¥53 ¥49.5 View Reel ¥31.7 ¥44 ¥38 ¥31.7 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Resettable Fuses - PPTC 6V 1.75A-HD 6A MAX 0603L175SLYRT Littelfuse 4,000: ¥181 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # 0603L175SLYRT Mouser Part # 576-0603L175SLYRT	Littelfuse	Resettable Fuses - PPTC 6V 1.75A-HD 6A MAX Learn More about Littelfuse 0603l resettable fuses	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel ¥181	Min.: 4,000 Mult.: 4,000 : 4,000
Surface Mount Fuses 32V .375A V/FA HALIDE FREE 0435.375KRHF Littelfuse 1: ¥264.1 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 0435.375KRHF Mouser Part # 576-0435.375KRHF	Littelfuse	Surface Mount Fuses 32V .375A V/FA HALIDE FREE Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Cut Tape ¥264.1 ¥242.5 ¥197.7 ¥181 View Reel ¥121.8 ¥163.4 ¥149.7 ¥138 ¥132 ¥121.8 ¥121.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 32V 0402 4A V/FA HALIDE FREE 0435004.KRHF Littelfuse 1: ¥300.6 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 0435004.KRHF Mouser Part # 576-0435004.KRHF	Littelfuse	Surface Mount Fuses 32V 0402 4A V/FA HALIDE FREE Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Cut Tape ¥300.6 ¥240.8 ¥194.3 ¥176.1 View Reel ¥120.4 ¥160.1 ¥145.8 ¥134.4 ¥123.7 ¥120.4 ¥120.4	Min.: 10,000 Mult.: 10,000 : 10,000
Surface Mount Fuses 32V 2.5A V/FA SLIM 0402 043502.5KR Littelfuse 10,000: ¥124.6 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 043502.5KR Mouser Part # 576-043502.5KR	Littelfuse	Surface Mount Fuses 32V 2.5A V/FA SLIM 0402 Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel ¥124.6	Min.: 10,000 Mult.: 10,000 : 10,000
Surface Mount Fuses 32V 3.5A V/FA SLIM 0402 043503.5KR Littelfuse 10,000: ¥123.7 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 043503.5KR Mouser Part # 576-043503.5KR	Littelfuse	Surface Mount Fuses 32V 3.5A V/FA SLIM 0402 Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel ¥123.7	Min.: 10,000 Mult.: 10,000 : 10,000
Surface Mount Fuses 32V 1.25A 0402 Very Fast Acting 04351.25KR Littelfuse 10,000: ¥119.3 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 04351.25KR Mouser Part # 576-04351.25KR	Littelfuse	Surface Mount Fuses 32V 1.25A 0402 Very Fast Acting Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel ¥119.3	Min.: 10,000 Mult.: 10,000 : 10,000
Surface Mount Fuses 32V 1.25A V/FA HALIDE FREE 04351.25KRHF Littelfuse 10,000: ¥125.2 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 04351.25KRHF Mouser Part # 576-04351.25KRHF	Littelfuse	Surface Mount Fuses 32V 1.25A V/FA HALIDE FREE Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel ¥125.2	Min.: 10,000 Mult.: 10,000 : 10,000
Surface Mount Fuses 32V 1.75A 0402 Very Fast Acting 04351.75KR Littelfuse 10,000: ¥121.1 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 04351.75KR Mouser Part # 576-04351.75KR	Littelfuse	Surface Mount Fuses 32V 1.75A 0402 Very Fast Acting Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel ¥121.1	Min.: 10,000 Mult.: 10,000 : 10,000
Surface Mount Fuses 32V 1.75A V/FA HALIDE FREE 04351.75KRHF Littelfuse 10,000: ¥123.7 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # 04351.75KRHF Mouser Part # 576-04351.75KRHF	Littelfuse	Surface Mount Fuses 32V 1.75A V/FA HALIDE FREE Learn More about Littelfuse iot wearables protection	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel ¥123.7	Min.: 10,000 Mult.: 10,000 : 10,000
Resettable Fuses - PPTC 6V 2.00A 0603 SL PTC 0603L200SLYR Littelfuse 4,000: ¥192.7 Non-Stocked Lead-Time 13 Weeks	Mfr. Part # 0603L200SLYR Mouser Part # 576-0603L200SLYR	Littelfuse	Resettable Fuses - PPTC 6V 2.00A 0603 SL PTC Learn More about Littelfuse lorho	Datasheet	Non-Stocked Lead-Time 13 Weeks	Reel ¥192.7	Min.: 4,000 Mult.: 4,000 : 4,000
Resettable Fuses - PPTC PTC 6V POLY 1206 SL 3.5A 1206L350SLWR Littelfuse 3,000: ¥181 Non-Stocked Lead-Time 15 Weeks	Mfr. Part # 1206L350SLWR Mouser Part # 576-1206L350SLWR	Littelfuse	Resettable Fuses - PPTC PTC 6V POLY 1206 SL 3.5A Learn More about Littelfuse lorho	Datasheet	Non-Stocked Lead-Time 15 Weeks	Reel ¥181	Min.: 3,000 Mult.: 3,000 : 3,000
Resettable Fuses - PPTC 9V 5A 1206 POLYFUSE SURF MOUNT 1206L500SLWR Littelfuse 3,000: ¥207.6 Non-Stocked Lead-Time 13 Weeks	Mfr. Part # 1206L500SLWR Mouser Part # 576-1206L500SLWR	Littelfuse	Resettable Fuses - PPTC 9V 5A 1206 POLYFUSE SURF MOUNT Learn More about Littelfuse lorho	Datasheet	Non-Stocked Lead-Time 13 Weeks	Reel ¥207.6	Min.: 3,000 Mult.: 3,000 : 3,000
Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD 1210L350/12SLYR Littelfuse 4,000: ¥214.3 Non-Stocked Lead-Time 13 Weeks	Mfr. Part # 1210L350/12SLYR Mouser Part # 576-1210L350/12SLYR	Littelfuse	Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD Learn More about Littelfuse lorho	Datasheet	Non-Stocked Lead-Time 13 Weeks	Reel ¥214.3	Min.: 4,000 Mult.: 4,000 : 4,000
Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD 1210L600SL-VYR Littelfuse 4,000: ¥212.6 Non-Stocked Lead-Time 13 Weeks	Mfr. Part # 1210L600SL-VYR Mouser Part # 576-1210L600SL-VYR	Littelfuse	Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD Learn More about Littelfuse lorho	Datasheet	Non-Stocked Lead-Time 13 Weeks	Reel ¥212.6	Min.: 4,000 Mult.: 4,000 : 4,000
Resettable Fuses - PPTC 6V 7.0A-HD 50A SMD 1210L700SLWR Littelfuse 3,000: ¥212.6 Non-Stocked Lead-Time 15 Weeks	Mfr. Part # 1210L700SLWR Mouser Part # 576-1210L700SLWR	Littelfuse	Resettable Fuses - PPTC 6V 7.0A-HD 50A SMD Learn More about Littelfuse lorho	Datasheet	Non-Stocked Lead-Time 15 Weeks	Reel ¥212.6	Min.: 3,000 Mult.: 3,000 : 3,000

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Circuit Protection for IoT Wearable Devices

Types of Circuit Protection