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 5A PICO II Fast Acting
Datasheet
30In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II - 55 C + 125 C 15.5 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 7A PICO II FA
Datasheet
456In Stock
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 7 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 10.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 7A
Datasheet
21In Stock
2.000On Order
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 7 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 10.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 7A
Datasheet
813In Stock
1.000Expected 23/02/2026
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 7 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 10.5 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 7A
Datasheet
2.754In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 7 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 10.5 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1.5A PICO II FA
Datasheet
94In Stock
200Expected 23/02/2026
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 1.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 35.999998 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 1.5A
Datasheet
1.248In Stock
Min.: 1
Mult.: 1
Reel: 1.000

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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 1.5A
Datasheet
1.980In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 1.5 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 35.999998 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1.6A
Datasheet
1.007In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 1.6 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 70 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2.5A
Datasheet
784In Stock
1.000Expected 20/03/2026
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 35.999998 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2.5A
Datasheet
706In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 2.5 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 35.999998 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 2.5A
Datasheet
824In 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 - 55 C + 125 C 35.999998 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 3.5A PICO II FA
Datasheet
54In Stock
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 24 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.5A
Datasheet
570In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 24 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.5A
Datasheet
1.323In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 3.5 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 24 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 3.5A
Datasheet
1.001In Stock
1.000Expected 27/03/2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 3.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 24 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1.25A
Datasheet
1.013In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 50 A at 125 VAC, 300 A at 125 VDC Axial PICO II - 55 C + 125 C 100.000001 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1.25A
Datasheet
267In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 100.000001 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 3.15A PICO II FA
Datasheet
260In Stock
Min.: 1
Mult.: 1
Reel: 1.000

251 PCB Mount Fuses 3.15 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 36.4 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3.15A PICO II FA
Datasheet
562In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 3.15 A 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 36.4 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 3A FM10A Mil
Datasheet
348In Stock
Min.: 1
Mult.: 1
No
253 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 29.5 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .062A
Datasheet
172In Stock
1.000Expected 01/04/2026
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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 125mA PICO II FA
Datasheet
264In 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
712In Stock
600Expected 23/02/2026
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