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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Littelfuse Industrial & Electrical Fuses 1000VDC 30AMP Midget PCB Tabs
Datasheet
406In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 30 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000VDC 1AMP Midget
Datasheet
159In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 1 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000VDC 15AMP Midget
Datasheet
151In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 15 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk


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

SPF Specialty Fuses 1 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk


Littelfuse Industrial & Electrical Fuses 1000VDC 15AMP Midget PCB Tabs
Datasheet
146In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 15 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000VDC 12AMP Midget
Datasheet
497In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 12 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk


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

SPF Specialty Fuses 2 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000 VDC 25 AMP MIDGET FUSE
Datasheet
1,838In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 25 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 3.53 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 1 AMP MIDGET FUSE
Datasheet
232In Stock
540Expected 02/07/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses 1 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 645 mOhms
Littelfuse Industrial & Electrical Fuses 1000VDC 3AMP Midget PCB Tabs
Datasheet
110In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 3 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000VDC 4AMP Midget PCB Tabs
Datasheet
187In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 4 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000 VDC 4 AMP MIDGET FUSE
Datasheet
910In Stock
500Expected 26/05/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses 4 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 61.27 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 12 AMP MIDGET FUSE
Datasheet
264In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 12 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 9.93 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 15 AMP MIDGET FUSE
Datasheet
680In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 15 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 7.99 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 20 AMP MIDGET FUSE
Datasheet
532In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 20 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 4.5 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 30 AMP MIDGET FUSE
Datasheet
193In Stock
350Expected 23/06/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses 30 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 2.84 mOhms
Littelfuse Industrial & Electrical Fuses 1000VDC 6AMP Midget PCB Tabs
Datasheet
206In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 6 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000VDC 8AMP Midget
Datasheet
306In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 8 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk


Littelfuse Industrial & Electrical Fuses 1000VDC 8AMP Midget PCB Tabs
Datasheet
317In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 8 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000VDC 10AMP Midget PCB Tabs
Datasheet
297In Stock
200Expected 06/08/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses 10 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Through Hole Radial Blade Bend 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk


Littelfuse Industrial & Electrical Fuses 1000VDC 25AMP Midget
Datasheet
133In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 25 A 1 kVAC Fast Blow 1 kVDC Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 1000 VDC 2 AMP MIDGET FUSE
Datasheet
76In Stock
Min.: 1
Mult.: 1

SPF Specialty Fuses 2 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 237 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 5 AMP MIDGET FUSE
Datasheet
13In Stock
220Expected 25/06/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses 5 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 40.86 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 8 AMP MIDGET FUSE
Datasheet
10In Stock
20Expected 25/05/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses 8 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 17.8 mOhms
Littelfuse Industrial & Electrical Fuses 1000 VDC 10 AMP MIDGET FUSE
Datasheet
57In Stock
120Expected 27/05/2026
Min.: 1
Mult.: 1

SPF Specialty Fuses 10 A 1 kVAC Fast Blow 1 kVDC 20 kA Cartridge Fuses Holder Clip 5AG Midget (10.3 mm x 38.1 mm) Without Indicator Bulk 12.5 mOhms