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 (INR) 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 .125A
Datasheet
2,373In Stock
Min.: 1
Mult.: 1
: 1,000

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 Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .125A PICO II FA
Datasheet
2,752In Stock
Min.: 1
Mult.: 1
: 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
5,000In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 895 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
5,876In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 665 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
4,107In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 250 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 665 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .25A
Datasheet
11,301In Stock
8,000Expected 02-11-2026
Min.: 1
Mult.: 1

251 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 .250A PICO II FA
Datasheet
3,728In Stock
Min.: 1
Mult.: 1
: 5,000

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 .5A
Datasheet
12,356In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 280 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
6,426In Stock
5,000Expected 01-03-2027
Min.: 1
Mult.: 1

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 280 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .500A PICO II FA
Datasheet
5,846In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 280 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .5A
Datasheet
2,495In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 280 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
4,225In Stock
Min.: 1
Mult.: 1
: 1,000
251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 175 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
3,751In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 175 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
11,063In Stock
1,000Expected 15-10-2026
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 50 A, 300 A Axial PICO II - 55 C + 125 C 128 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
11,217In Stock
10,000Expected 23-12-2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 128 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 1A
Datasheet
10,788In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 128 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 2A 125V PICO II Fast Acting
Datasheet
12,832In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 47.3 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 2A
Datasheet
4,673In Stock
5,000Expected 23-12-2026
Min.: 1
Mult.: 1
: 5,000
251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 47.3 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 3A
Datasheet
3,010In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 29 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3A
Datasheet
4,140In Stock
13,000On Order
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 50 A, 300 A Axial PICO II - 55 C + 125 C 29 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 3A 125V PICO II FAST
Datasheet
13,120In Stock
10,000Expected 23-12-2026
Min.: 1
Mult.: 1

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 29 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 3A PICO II FA
Datasheet
4,746In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 29 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 3A
Datasheet
10,851In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 29 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 4A
Datasheet
3,945In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 4 A 125 VAC Fast Blow Leaded Fuses 50 A, 300 A Axial PICO II - 55 C + 125 C 20.4 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V 4A PICO II FA
Datasheet
2,674In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 4 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 20.4 mOhms Ammo Pack