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 (DKK) 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 250mA FM10A Mil
Datasheet
473In Stock
Min.: 1
Mult.: 1
No
253 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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V 4A FM10A Mil
Datasheet
389In Stock
Min.: 1
Mult.: 1
No
253 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 20.4 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .125A
Datasheet
46.049In Stock
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
3.374In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 280.000001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2A
Datasheet
6.890In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 50 A at 125 VAC, 300 A at 125 VDC 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
3.920In Stock
8.000Expected 20/03/2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 47.3 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 3A
Datasheet
4.998In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 50 A at 125 VAC, 300 A at 125 VDC Axial PICO II - 55 C + 125 C 28.999999 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 3A 125V PICO II FAST
Datasheet
5.543In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 28.999999 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 5A
Datasheet
10.907In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 5 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 15.5 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 5A
Datasheet
8.185In Stock
Min.: 1
Mult.: 1
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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1.5A
Datasheet
5.098In Stock
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 32V 15A PICO II FA
Datasheet
5.246In Stock
Min.: 1
Mult.: 1
Reel: 5.000

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 2.5A
Datasheet
3.244In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A at 125 VAC Axial PICO II - 55 C + 125 C 35.999998 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .062A
Datasheet
931In Stock
3.000Expected 01/04/2026
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V .125A
Datasheet
4.493In Stock
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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II FA
Datasheet
3.515In Stock
Min.: 1
Mult.: 1
Reel: 5.000

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
1.505In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 895 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
3.219In Stock
4.000Expected 26/06/2026
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
11.897In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 500 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 280.000001 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
2.800In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 280.000001 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .500A PICO II FA
Datasheet
3.081In Stock
Min.: 1
Mult.: 1
Reel: 5.000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 280.000001 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
4.253In Stock
Min.: 1
Mult.: 1
Reel: 5.000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 280.000001 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
5.315In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 750 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 174.999997 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
5.539In Stock
8.000On Order
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 128.000006 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
7.098In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 50 A at 125 VAC, 300 A at 125 VDC Axial PICO II - 55 C + 125 C 128.000006 mOhms Reel, Cut Tape