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.

Types of Fuses

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Results: 99
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Fuse Size / Group Current Rating Voltage Rating AC Voltage Rating DC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A 8,617In Stock
Min.: 1
Mult.: 1
: 10,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A 9,516In Stock
Min.: 1
Mult.: 1
: 10,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 6V 1.0A-HD 40A SMD 3,966In Stock
Min.: 1
Mult.: 1
: 10,000

Resettable Fuses - PPTC
Littelfuse Surface Mount Fuses 32V .250A SLIM Fast Acting 0402 10,826In Stock
10,000Expected 8/27/2026
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 250 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V .375A 0402 Very Fast Acting 5,148In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 375 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V .500A V/FA HALIDE FREE 19,736In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 500 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V .75A 0402 Very Fast Acting 9,206In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 750 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V .750A V/FA HALIDE FREE 12,924In Stock
20,000Expected 12/7/2026
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 750 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 1A 0402 Very Fast Acting 6,378In Stock
10,000Expected 10/26/2026
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 1 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 0402 1A V/FA HALIDE FREE 12,880In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 1 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 3A V/FA SLIM 0402 13,515In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 3 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 0402 3A V/FA HALIDE FREE 4,221In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 3 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 1.5A 0402 Fast Acting 11,098In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 1.5 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 1.5A HALIDE FREE 10,126In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 1.5 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 3.5A HALIDE FREE 6,687In Stock
Min.: 1
Mult.: 1
: 10,000

SMD Fuses 0402 (1005 metric) 3.5 A 32 VAC 32 VDC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 0.75A 4,343In Stock
4,000On Order
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1A 8,760In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.5A 10,818In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 6V 2.0A-HD 50A MAX 4,109In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 0.75A 2,866In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.10A 9,895In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.5A 4,050In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 2.00A 8,572In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A 4,827In Stock
9,000Expected 8/28/2026
Min.: 1
Mult.: 1
: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 0.75A 6,303In Stock
Min.: 1
Mult.: 1
: 4,000

Resettable Fuses - PPTC