251/253 Series PICO® II Very Fast-Acting Fuses

Littelfuse 251/253 Series PICO® II Very Fast-Acting Fuses are designed to meet an extensive array of performance characteristics in a space-saving subminiature package. These fast-acting fuses operate at -55°C to 125°C temperature range and at 0.062A to 15A current rating range. The 251/253 series fuses are small and feature low-temperature re-rating. These fuses are ideal for flat–panel display TVs, LCD monitors, LCD backlight inverters, office machines, power supplies, audio/video systems, lighting systems, and medical equipment.

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Voltage Rating AC
Fuse Type
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Voltage Rating DC
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Fuse Size/Group
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Maximum Operating Temperature
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Packaging
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A at 125 VAC, 300 A at 125 VDC Axial PICO II - 55 C + 125 C 1.7 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .2A
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1,000
Mult.: 1,000
Reel: 1,000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II FA
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .2A
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 895 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 665 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II FA
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 395.000011 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 395.000011 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 395.000011 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II - 55 C + 125 C 395.000011 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 86V 10A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 5,000
Mult.: 5,000

251 PCB Mount Fuses 10 A 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A at 125 VAC, 300 A at 125 VDC Axial PICO II - 55 C + 125 C 7.05 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 10A PICO II FA
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 10 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 7.05 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 32V 12A PICO FA Halogen Free
Datasheet
Non-Stocked
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 12 A 32 VAC Fast Blow Leaded Fuses 32 VDC 300 A at 32 VDC Axial PICO II 5 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V 1.25A
Datasheet
Non-Stocked Lead-Time 19 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 100.000001 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V 3A FM10A Mil
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1,000
Mult.: 1,000

253 PCB Mount Fuses 62 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 7 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL .125A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

253 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 1.7 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL .375A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

253 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 395 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL .500A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

253 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 303 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL .750A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

253 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 175 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL 2A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

253 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 47.3 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL 3A
Datasheet
Lead-Time 17 Weeks
Min.: 1
Mult.: 1

253 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 29.5 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL 4A
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1
Mult.: 1

253 PCB Mount Fuses 4 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 20.4 mOhms Bulk