507 Series Fuses

Littelfuse 507 Series Fuses provide enhanced over-current protection for high voltage applications. The 6mm x 32mm ceramic body fuses have current ratings of 1A to 8A and a rated voltage of 650VDC with an interrupting rating of 150A @ 650VDC. The 507 Series enables a compact design for power conversion equipment demanding higher operating efficiencies. Littelfuse 507 Series Fuses are ideal for variable frequency drives (VFDs), power inverters, photovoltaic (PV) inverters, DC/DC converters, and high voltage power supplies.

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Qty. RoHS ECAD Model Series
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Fuse Size/Group
Voltage Rating DC
Interrupt Rating
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Termination Style
Minimum Operating Temperature
Maximum Operating Temperature
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Littelfuse Cartridge Fuses 650VDC 6.3A Axial Leaded
Datasheet
803In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 28.5 mOhms
Littelfuse Cartridge Fuses 650VDC 5A Cartridge Fuse
Datasheet
891In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 5 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 42 mOhms
Littelfuse Cartridge Fuses 650VDC 2A Cartridge Fuse
Datasheet
796In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 115 mOhms
Littelfuse Cartridge Fuses 650VDC 1A Axial Leaded
Datasheet
609In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 370 mOhms
Littelfuse Cartridge Fuses 650VDC 4A Axial Leaded
Datasheet
608In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 55 mOhms
Littelfuse Cartridge Fuses 650VDC 8A Axial Leaded
Datasheet
1,126In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 20.7 mOhms
Littelfuse Cartridge Fuses 650VDC 1A Cartridge Fuse
Datasheet
23In Stock
1,000Expected 17/3/2026
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 370 mOhms
Littelfuse Cartridge Fuses 650VDC 8A Cartridge Fuse
Datasheet
348In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 20.7 mOhms
Littelfuse Cartridge Fuses 650VDC 1.25A Cartridge Fuse
Datasheet
16In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 230 mOhms
Littelfuse Cartridge Fuses 650VDC 2A Axial Leaded
Datasheet
2In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 115 mOhms
Littelfuse Cartridge Fuses 650VDC 1.6A Cartridge Fuse
Datasheet
6In Stock
Min.: 1
Mult.: 1

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 165 mOhms
Littelfuse Cartridge Fuses 650VDC 4A Cartridge Fuse
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 55 mOhms
Littelfuse Cartridge Fuses 650VDC 5A Axial Leaded
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 42 mOhms
Littelfuse Cartridge Fuses 650VDC 1.6A Axial Leaded
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 165 mOhms
Littelfuse Cartridge Fuses 650VDC 2.5A Axial Leaded
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 83 mOhms
Littelfuse Cartridge Fuses 650VDC 2.5A Cartridge Fuse
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 83 mOhms
Littelfuse Cartridge Fuses 650VDC 6.3A Cartridge Fuse
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 28.5 mOhms
Littelfuse Cartridge Fuses 650VDC 1.25A Axial Leaded
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 1 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 230 mOhms
Littelfuse Cartridge Fuses 650VDC 3.15A Axial Leaded
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 3.15 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Board Mount Axial - 55 C + 125 C Bulk 56 mOhms
Littelfuse Cartridge Fuses 650VDC 3.15A Cartridge Fuse
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1,000
Mult.: 1,000

507 Ceramic Fuses 3.15 A Medium / Normal Blow 3AB (6.3 mm x 32 mm) 650 VDC 150 A at 650 VAC Holder / Clip Clip - 55 C + 125 C Bulk 56 mOhms