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: 254
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (PLN) 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 4A FM10A Mil
Datasheet
214In Stock
Min.: 1
Mult.: 1
No
253 PCB Mount Fuses 4 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 20.4 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1.25A
Datasheet
2In Stock
1 000Expected 9/1/2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 100 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 2.5A
Datasheet
1 488On Order
Min.: 1
Mult.: 1
: 1 000

251 PCB Mount Fuses 2.5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 36 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1.25A
Datasheet
929Expected 11/12/2026
Min.: 1
Mult.: 1
: 1 000

251 PCB Mount Fuses 1.25 A 125 VAC Fast Blow Leaded Fuses 50 A, 300 A Axial PICO II - 55 C + 125 C 100 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .63A
Datasheet
5 000Factory Stock Available
More Info Available
Min.: 5 000
Mult.: 5 000
: 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
Littelfuse Fuses with Leads - Through Hole 125V FM10A PICO MIL .250A
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 5 000
Mult.: 5 000

253 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 665 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .062A PICO II FA
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

251 PCB Mount Fuses 62 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 7 Ohms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .062A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 62 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 7 Ohms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .062A
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 62 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 7 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 1.7 Ohms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 1.7 Ohms Reel
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 1.7 Ohms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 1.7 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .2A
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1
: 1 000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II FA
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .200A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II 895 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 665 mOhms Reel
Littelfuse Fuses with Leads - Through Hole 125V .250A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II FA
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 395 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1
: 5 000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 395 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 2 000
Mult.: 2 000
: 2 000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 395 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .375A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 22 Weeks
Min.: 1
Mult.: 1

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Axial PICO II - 55 C + 125 C 395 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .500A PICO II Fast Acting
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 5 000
Mult.: 5 000
: 5 000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses Axial PICO II 280 mOhms Ammo Pack