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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Littelfuse Fuses with Leads - Through Hole 125V 1.25A
Datasheet
2In Stock
1.000Expected 9/7/2026
Min.: 1
Mult.: 1

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 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II FA
Datasheet
1.100Expected 11/19/2026
Min.: 1
Mult.: 1
: 100

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2.5A
Datasheet
1.488On Order
Min.: 1
Mult.: 1
: 1.000

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 36 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1.25A
Datasheet
929Expected 11/12/2026
Min.: 1
Mult.: 1
: 1.000

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 50 A, 300 A Axial PICO II - 55 C + 125 C 100 mOhms Reel, Cut Tape
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 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 22 Weeks
Min.: 5.000
Mult.: 5.000
: 5.000

251 PCB Mount Fuses 62 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A 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 22 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

251 PCB Mount Fuses 62 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 7 Ohms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .062A
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 62 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A 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 22 Weeks
Min.: 5.000
Mult.: 5.000
: 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 22 Weeks
Min.: 2.000
Mult.: 2.000
: 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 22 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

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 22 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 1.7 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .2A
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1
: 1.000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II FA
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 5.000
Mult.: 5.000
: 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 22 Weeks
Min.: 5.000
Mult.: 5.000
: 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 22 Weeks
Min.: 2.000
Mult.: 2.000
: 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 22 Weeks
Min.: 2.000
Mult.: 2.000
: 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 22 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 665 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II FA
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 5.000
Mult.: 5.000
: 5.000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 395 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1
: 5.000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 395 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 395 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 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 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .500A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 5.000
Mult.: 5.000
: 5.000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 280 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .500A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 2.000
Mult.: 2.000
: 2.000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 280 mOhms Reel