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: 255
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Product
Current Rating
Voltage Rating AC
Fuse Type
Body Style
Voltage Rating DC
Interrupt Rating
Termination Style
Fuse Size/Group
Minimum Operating Temperature
Maximum Operating Temperature
Resistance
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 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 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 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 .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 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 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
6.262In 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 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 .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 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 6/15/2026
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