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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Results: 110
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Voltage Rating DC

Littelfuse Resettable Fuses - PPTC 12V 4.0A-HD 50A SMD
Datasheet
1,218In Stock
6,000Expected 23/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 2A
Datasheet
331In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 4A
Datasheet
1,403In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC

Littelfuse Resettable Fuses - PPTC 6V 9.0A-HD 50A SMD
Datasheet
7In Stock
4,000Expected 03/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1812 LoRho SL 3.00A
Datasheet
121In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,000

Resettable Fuses - PPTC
Littelfuse Surface Mount Fuses 32V 0402 5A V/FA HALIDE FREE
Datasheet
29,893Expected 04/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD Fuses 0402 (1005 metric) 5 A 32 VAC 32 VDC

Littelfuse Resettable Fuses - PPTC 6V 1.0A-HD 40A SMD
Datasheet
9,999Expected 30/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Resettable Fuses - PPTC
Littelfuse Surface Mount Fuses 32V 0402 3A V/FA HALIDE FREE
Datasheet
4,546Expected 20/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD Fuses 0402 (1005 metric) 3 A 32 VAC 32 VDC
Littelfuse Resettable Fuses - PPTC 6V 1.75A-HD 6A MAX
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 2.00A 0603 SL PTC
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 9V 5A 1206 POLYFUSE SURF MOUNT
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 3,000
Mult.: 3,000
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000
Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000
Resettable Fuses - PPTC
Littelfuse Surface Mount Fuses 32V .250A V/FA HALIDE FREE
Datasheet
Non-Stocked
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 250 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V .375A V/FA HALIDE FREE
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 375 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 0402 4A V/FA HALIDE FREE
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 4 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 2.5A V/FA SLIM 0402
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 2.5 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 3.5A V/FA SLIM 0402
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 3.5 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 1.25A 0402 Very Fast Acting
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 1.25 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 1.25A V/FA HALIDE FREE
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 1.25 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 1.75A 0402 Very Fast Acting
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 1.75 A 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V 1.75A V/FA HALIDE FREE
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 10,000
Mult.: 10,000
Reel: 10,000

SMD Fuses 0402 (1005 metric) 1.75 A 32 VAC 32 VDC
Littelfuse Resettable Fuses - PPTC PTC 6V POLY 1206 SL 3.5A
Datasheet
Lead-Time 13 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 3.80A 1206 SL PTC
Datasheet
Non-Stocked
Min.: 4,000
Mult.: 4,000
Reel: 4,000

Resettable Fuses - PPTC
Littelfuse Resettable Fuses - PPTC 6V 4.00A 1206 SL PTC
Datasheet
Non-Stocked
Min.: 4,000
Mult.: 4,000
Reel: 4,000

Resettable Fuses - PPTC