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.

Results: 254
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Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
5,896In Stock
Min.: 1
Mult.: 1
: 1,000

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 .25A
Datasheet
11,667In Stock
8,000Expected 10/19/2026
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II FA
Datasheet
3,728In Stock
Min.: 1
Mult.: 1
: 5,000

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 .25A
Datasheet
9,248In Stock
Min.: 1
Mult.: 1
: 5,000

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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
2,538In Stock
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
8,466In Stock
4,000Expected 10/6/2026
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 280 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
3,161In Stock
4,000Expected 8/31/2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 280 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .500A PICO II FA
Datasheet
5,897In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 280 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
3,047In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 280 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
4,240In Stock
Min.: 1
Mult.: 1
: 1,000
251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 175 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
3,751In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 175 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
6,075In Stock
6,000Expected 9/29/2026
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 50 A, 300 A Axial PICO II - 55 C + 125 C 128 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
15,155In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 128 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
10,819In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 128 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 2A
Datasheet
3,858In Stock
Min.: 1
Mult.: 1
: 1,000
251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 47.3 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2A
Datasheet
16,936In Stock
11,000Expected 8/18/2026
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 50 A, 300 A Axial PICO II - 55 C + 125 C 47.3 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 2A 125V PICO II Fast Acting
Datasheet
16,794In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 47.3 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 2A
Datasheet
4,679In Stock
Min.: 1
Mult.: 1
: 5,000
251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 47.3 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 3A
Datasheet
3,120In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 29 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 3A 125V PICO II FAST
Datasheet
15,180In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 29 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 3A PICO II FA
Datasheet
4,781In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 29 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3A
Datasheet
11,031In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 29 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 4A PICO II FA
Datasheet
2,714In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 4 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 20.4 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 5A
Datasheet
5,186In Stock
Min.: 1
Mult.: 1
: 1,000
251 PCB Mount Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 15.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 5A
Datasheet
4,803In Stock
12,000On Order
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 15.5 mOhms Reel, Cut Tape