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 125mA PICO II FA
Datasheet
224In Stock
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 1.7 Ohms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .2A
Datasheet
814In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II FA
Datasheet
1,312In Stock
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
1,148In Stock
2,000On Order
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
1,214In Stock
5,000Expected 17-08-2026
Min.: 1
Mult.: 1
Reel: 5,000

251 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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II FA
Datasheet
100In Stock
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 395.000011 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
3In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 395.000011 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
1,698In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 375 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 395.000011 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
558In Stock
1,000Expected 17-08-2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 395.000011 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
1,208In Stock
1,000Expected 27-03-2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 174.999997 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1A PICO II FA
Datasheet
492In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 128.000006 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3A PICO II FA
Datasheet
2,271In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 28.999999 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 4A
Datasheet
2,672In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 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 20.400001 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 10A PICO II FA
Datasheet
1,881In Stock
200Expected 20-04-2026
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 10 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 7.05 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 86V 10A PICO II Fast Acting
Datasheet
1,385In Stock
Min.: 1
Mult.: 1
Reel: 1,000

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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 10A
Datasheet
2,310In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 10 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 7.05 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 10A
Datasheet
1,990In Stock
Min.: 1
Mult.: 1
Reel: 1,000

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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 32V 12A PICO II Fast Acting
Datasheet
968In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 12 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 32V 15A PICO II FA
Datasheet
885In Stock
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 15 A 32 VAC Fast Blow Leaded Fuses 32 VDC 300 A at 32 VDC Axial PICO II 35.999998 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL 1A
Datasheet
2In Stock
Min.: 1
Mult.: 1

253 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 128 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 5A
Datasheet
4,000On Order
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 15.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .062A PICO II FA
Datasheet
2,600Expected 01-04-2026
Min.: 1
Mult.: 1
Reel: 100

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 .125A
Datasheet
11,462On Order
Min.: 1
Mult.: 1
Reel: 1,000

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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 10A
Datasheet
9,550Expected 24-03-2026
Min.: 1
Mult.: 1
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 - 55 C + 125 C 7.05 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 32V 12A PICO II FA
Datasheet
800On Order
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 12 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 5 mOhms Ammo Pack