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
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Description Datasheet Availability Pricing (INR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Voltage Rating AC
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Voltage Rating DC
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Maximum Operating Temperature
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Packaging
Littelfuse Fuses with Leads - Through Hole 125V .2A
Datasheet
348In Stock
1,000Expected 22-10-2026
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
774In Stock
Min.: 1
Mult.: 1
: 100

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
379In Stock
1,000Expected 10-08-2026
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 .375A PICO II FA
Datasheet
100In Stock
Min.: 1
Mult.: 1
: 100

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
1,367In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 375 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II - 55 C + 125 C 395 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .375A
Datasheet
1,540In Stock
1,000Expected 09-11-2026
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V .500A PICO II FA
Datasheet
42In Stock
Min.: 1
Mult.: 1
: 100

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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .63A
Datasheet
1,612In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 630 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 205 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .63A
Datasheet
180In Stock
Min.: 1
Mult.: 1
: 1,000

251 PCB Mount Fuses 630 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II 205 mOhms Reel, Cut Tape
Littelfuse Fuses with Leads - Through Hole 125V .63A
Datasheet
805In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 630 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 50 A, 300 A Axial PICO II 205 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .750A PICO II FA
Datasheet
146In Stock
Min.: 1
Mult.: 1
: 100

251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 175 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V .75A
Datasheet
2,240In Stock
2,000Expected 21-07-2026
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
1,610In Stock
Min.: 1
Mult.: 1

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 Bulk
Littelfuse Fuses with Leads - Through Hole 125V750mA PICO II FA
Datasheet
828In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 750 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 175 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 1A PICO II FA
Datasheet
290In Stock
Min.: 1
Mult.: 1
: 100

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 128 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 1A PICO II FA
Datasheet
382In 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 128 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 1A 125V Pico Fast Acting Axial
Datasheet
10In Stock
Min.: 1
Mult.: 1

251 PCB Mount Fuses 1 A 125 VAC Fast Blow Leaded Fuses Axial PICO II 128 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 2A PICO II FA
Datasheet
286In Stock
Min.: 1
Mult.: 1
: 100

251 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 47.3 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2A PICO II FA
Datasheet
1,638In Stock
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 47.3 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 2A
Datasheet
1,647In Stock
5,000Expected 01-07-2026
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 PICO II FA
Datasheet
296In Stock
Min.: 1
Mult.: 1
: 100

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 4A PICO II FA
Datasheet
338In Stock
Min.: 1
Mult.: 1
: 100

251 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 Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 5A PICO II FA
Datasheet
680In Stock
Min.: 1
Mult.: 1
: 100

251 PCB Mount Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II - 55 C + 125 C 15.5 mOhms Ammo Pack
Littelfuse Fuses with Leads - Through Hole 125V 5A PICO II FA
Datasheet
2,244In Stock
Min.: 1
Mult.: 1
: 5,000

251 PCB Mount Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 300 A Axial PICO II 15.5 mOhms Ammo Pack
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