SPF 1000VDC Solar Fuses

Littelfuse SPF (Solar Protection Fuse) 1000VDC Solar Fuses have been specifically designed for the ever-increasing voltage requirements of photovoltaic (PV) systems. The SPF series is UL recognized to safely interrupt circuits up to 1000VDC maximum. These midget fuses (10mm x 38mm) safety protect PV modules and their conductors from reverse overcurrent conditions. Littelfuse SPF 1000VDC Solar Fuses are available in 1A to 30A ratings to match specific requirements in a variety of applications, including inverters, combiner boxes, and battery charge controllers.

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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
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Voltage Rating DC
Interrupt Rating
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Littelfuse Industrial & Electrical Fuses 1000 VDC 10 AMP MIDGET FUSE
Datasheet
188In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 10 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 12.5 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 12AMP Midget PCB Tabs
Datasheet
55In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 12 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF


Littelfuse Industrial & Electrical Fuses 1000VDC 15AMP Midget PCB Tabs
Datasheet
87In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 15 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 20AMP Midget
Datasheet
45In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 20 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 20AMP Midget PCB Tabs
Datasheet
82In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 20 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 30AMP Midget
Datasheet
31In Stock
3,800On Order
Min.: 1
Mult.: 1

Solar Protection Fuses 30 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 25 AMP MIDGET FUSE
Datasheet
2,042Expected 01/10/2026
Min.: 1
Mult.: 1

Solar Protection Fuses 25 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 3.53 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 30 AMP MIDGET FUSE
Datasheet
1,990On Order
Min.: 1
Mult.: 1

Solar Protection Fuses 30 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 2.84 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 2AMP Midget PCB Tabs
Datasheet
100Expected 23/12/2026
Min.: 1
Mult.: 1

Solar Protection Fuses 2 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 3AMP Midget
Datasheet
100Factory Stock Available
More Info Available
Min.: 100
Mult.: 100

Solar Protection Fuses 3 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 4AMP Midget
Datasheet
300Factory Stock Available
More Info Available
Min.: 1
Mult.: 1

Solar Protection Fuses 4 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 5AMP Midget
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Solar Protection Fuses 5 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 6AMP Midget
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 100
Mult.: 100

Solar Protection Fuses 6 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 10AMP Midget
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 100
Mult.: 100

Solar Protection Fuses 10 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF