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 (CAD) 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 .25A
Datasheet
1,423In Stock
1,000Expected 2026-08-03
Min.: 1
Mult.: 1
Reel: 1,000

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
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
1,798In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 250 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 665 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
1,514In 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 - 55 C + 125 C 665 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II FA
Datasheet
100In Stock
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 395.000011 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
3In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 395.000011 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
1,833In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 375 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 395.000011 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
1,158In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 395.000011 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
1,308In Stock
1,000Expected 2026-03-27
Min.: 1
Mult.: 1

251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 174.999997 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1A PICO II FA
Datasheet
492In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 128.000006 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3A PICO II FA
Datasheet
2,271In Stock
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II 28.999999 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3A
Datasheet
367In Stock
10,000Expected 2026-04-29
Min.: 1
Mult.: 1
Reel: 5,000

251 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 28.999999 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 4A
Datasheet
2,672In 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 - 55 C + 125 C 20.400001 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 10A PICO II FA
Datasheet
1,881In Stock
200Expected 2026-04-20
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 10 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 7.05 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 86V 10A PICO II Fast Acting
Datasheet
1,385In Stock
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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 10A
Datasheet
2,310In Stock
Min.: 1
Mult.: 1
Reel: 1,000

251 PCB Mount Fuses 10 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II - 55 C + 125 C 7.05 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 10A
Datasheet
2,041In Stock
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 32V 12A PICO II Fast Acting
Datasheet
968In Stock
Min.: 1
Mult.: 1
Reel: 1,000

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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 32V 15A PICO II FA
Datasheet
925In Stock
Min.: 1
Mult.: 1
Reel: 100

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 FM10A PICO MIL 1A
Datasheet
2In Stock
Min.: 1
Mult.: 1

253 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 128 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 4A
Datasheet
3,990Expected 2026-03-13
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V 5A
Datasheet
4,000On Order
Min.: 1
Mult.: 1
Reel: 1,000

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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .062A PICO II FA
Datasheet
2,600Expected 2026-04-01
Min.: 1
Mult.: 1
Reel: 100

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 .125A
Datasheet
11,462On Order
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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 10A
Datasheet
9,550Expected 2026-03-24
Min.: 1
Mult.: 1
Reel: 5,000

251 PCB Mount Fuses 10 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 125 VDC Axial PICO II - 55 C + 125 C 7.05 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 32V 12A PICO II FA
Datasheet
100Expected 2026-07-06
Min.: 1
Mult.: 1
Reel: 100

251 PCB Mount Fuses 12 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A at 32 VDC Axial PICO II 5 mOhms Ammo Pack