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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Fuse Type
Body Style
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 .062A
Datasheet
5,623In Stock
Min.: 1
Mult.: 1
Reel: 1,000

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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 4A PICO II FA
Datasheet
3,952In 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 20.400001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 4A
Datasheet
3,403In Stock
Min.: 1
Mult.: 1
Reel: 1,000
251 PCB Mount Fuses 4 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 20.400001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2.5A PICO II FA
Datasheet
3,593In Stock
Min.: 1
Mult.: 1
Reel: 5,000

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 1.5A
Datasheet
4,296In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 1.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 35.999998 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 32V 12A
Datasheet
1,646In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 12 A 32 VAC Fast Blow Leaded Fuses 32 VDC 50 A at 32 VAC, 300 A at 32 VDC Axial PICO II - 55 C + 125 C 5 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 32V 12A
Datasheet
4,985In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 12 A 32 VAC Fast Blow Leaded Fuses 32 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 5 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .125A
Datasheet
4,764In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 1.7 Ohms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II FA
Datasheet
6,418In Stock
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 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 32V 12A
Datasheet
6,639In Stock
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V .062A
Datasheet
4,538In Stock
Min.: 1
Mult.: 1
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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 2A
Datasheet
5,888In Stock
Min.: 1
Mult.: 1
Reel: 5,000
251 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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 32V 12A PICO II FA
Datasheet
10,019In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 12 A 32 VAC Fast Blow Leaded Fuses 32 VDC 300 A at 32 VDC Axial PICO II 5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
6,272In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 174.999997 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1.6A
Datasheet
768In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 1.6 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 70 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 1A 125V Pico Fast Acting Axial
Datasheet
10In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses Axial PICO II 128.000006 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .63A
Datasheet
2,844In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 630 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 205 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 5A PICO II FA
Datasheet
2,870In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 15.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.5A
Datasheet
2,296In Stock
Min.: 1
Mult.: 1
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 - 55 C + 125 C 24 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 4A PICO II Fast Acting
Datasheet
1,725In Stock
Min.: 1
Mult.: 1
Reel: 2,000

251 PCB Mount Fuses 4 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO - 55 C + 125 C 20.400001 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1.25A PICO II FA
Datasheet
1,648In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 100.000001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2A PICO II FA
Datasheet
2,348In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 47.3 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2A PICO II Fast Acting
Datasheet
1,201In Stock
Min.: 1
Mult.: 1
Reel: 2,000

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO - 55 C + 125 C 47.3 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 86V 10A PICO II Fast Acting
Datasheet
998In Stock
1,000Expected 15-06-2026
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 125V .25A
Datasheet
6In Stock
Min.: 1
Mult.: 1
251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 665 mOhms Bulk