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.

Results: 39
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Qty. RoHS ECAD Model Product
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Fuse Type
Voltage Rating DC
Interrupt Rating
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Mounting Style
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Fuse Size/Group
Indicator Style
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Littelfuse Industrial & Electrical Fuses 1000VDC 1AMP Midget
Datasheet
156In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 1 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 30AMP Midget PCB Tabs
Datasheet
400In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 30 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF


Littelfuse Industrial & Electrical Fuses 1000VDC 1AMP Midget PCB Tabs
Datasheet
116In Stock
Min.: 1
Mult.: 1

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


Littelfuse Industrial & Electrical Fuses 1000VDC 2AMP Midget
Datasheet
155In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 2 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 12AMP Midget
Datasheet
497In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 12 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
1,538In Stock
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 1 AMP MIDGET FUSE
Datasheet
572In Stock
140Expected 13/08/2026
Min.: 1
Mult.: 1

Solar Protection Fuses 1 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 645 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 3AMP Midget PCB Tabs
Datasheet
107In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 3 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 4AMP Midget PCB Tabs
Datasheet
182In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 4 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF


Littelfuse Industrial & Electrical Fuses 1000VDC 5AMP Midget PCB Tabs
Datasheet
297In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 5 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 5 AMP MIDGET FUSE
Datasheet
213In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 5 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 40.86 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 12 AMP MIDGET FUSE
Datasheet
264In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 12 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 9.93 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 15AMP Midget
Datasheet
131In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 15 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 15 AMP MIDGET FUSE
Datasheet
445In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 15 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 7.99 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 20 AMP MIDGET FUSE
Datasheet
294In Stock
570Expected 14/09/2026
Min.: 1
Mult.: 1

Solar Protection Fuses 20 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 4.5 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 30 AMP MIDGET FUSE
Datasheet
389In Stock
680Expected 03/09/2026
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 6AMP Midget PCB Tabs
Datasheet
205In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 6 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 8AMP Midget
Datasheet
304In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 8 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF


Littelfuse Industrial & Electrical Fuses 1000VDC 8AMP Midget PCB Tabs
Datasheet
317In Stock
200Expected 13/08/2026
Min.: 1
Mult.: 1

Solar Protection Fuses 8 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Through Hole Radial Blade 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 10AMP Midget PCB Tabs
Datasheet
297In Stock
200Expected 31/07/2026
Min.: 1
Mult.: 1

Solar Protection Fuses 10 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
118In 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 25AMP Midget
Datasheet
133In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 25 A 1 kVAC Fast-Acting Fuses 1 kVDC Cartridge Fuses Holder Clip 5AG Without Indicator Bulk SPF
Littelfuse Industrial & Electrical Fuses 1000VDC 30AMP Midget
Datasheet
516In Stock
600Expected 10/09/2026
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 2 AMP MIDGET FUSE
Datasheet
43In Stock
Min.: 1
Mult.: 1

Solar Protection Fuses 2 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 237 mOhms SPF
Littelfuse Industrial & Electrical Fuses 1000 VDC 6 AMP MIDGET FUSE
Datasheet
120In Stock
180Expected 21/09/2026
Min.: 1
Mult.: 1

Solar Protection Fuses 6 A 1 kVAC Fast-Acting Fuses 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Without Indicator Bulk 28.1 mOhms SPF