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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Qty. RoHS ECAD Model Series
Product
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Voltage Rating AC
Fuse Type
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Voltage Rating DC
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Fuse Size/Group
Minimum Operating Temperature
Maximum Operating Temperature
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Packaging
Littelfuse Fuses with Leads - Through Hole 32V 15A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 15 A 32 VAC Fast Blow Leaded Fuses 32 VDC Axial PICO II - 55 C + 125 C 35.999998 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 2.5A PICO II FA
Datasheet
Product Comments
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 35.999998 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses Axial PICO II 35.999998 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 35.999998 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V 2.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 35.999998 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II - 55 C + 125 C 35.999998 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 3.5A PICO II FA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 24 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses Axial PICO II 24 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 24 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V 3.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 24 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.5A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II - 55 C + 125 C 24 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1.25A PICO II FA
Datasheet
Non-Stocked Lead-Time 12 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 Axial PICO II 100.000001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 1.25A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses Axial PICO II 100.000001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 1.25A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 100.000001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.15A PICO II FA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000
Reel: 1,000

251 PCB Mount Fuses 3.15 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 36.4 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V 3.15A PICO II FA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 3.15 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 36.4 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.15A PICO II FA
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 3.15 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 36.4 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V 3.15A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 3.15 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 36.4 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL .250A
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 5,000
Mult.: 5,000

253 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 665 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .062A PICO II FA
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .062A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .062A
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 1
Mult.: 1

251 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 .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 5,000
Mult.: 5,000
Reel: 5,000

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 1.7 Ohms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 1.7 Ohms Reel
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 20 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 1.7 Ohms Ammo Pack