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
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Voltage Rating DC
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Packaging
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 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 .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
8.060In 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
3.940In Stock
8.000Expected 3/20/2026
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
5.068In 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
5.943In 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
11.157In 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
8.195In 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
5.335In 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
5.251In 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
2.056In Stock
3.000Expected 4/1/2026
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
4.513In 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
3.329In Stock
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
12.014In 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
2.950In 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
5.549In 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