Micro™/TR3® Fuses

Littelfuse Micro™/TR3® Fuses offer a 0.002 to 5A operating current, 125V maximum voltage rating, and 10,000A interrupting rating. Littelfuse Micro/TR3 fuses include high-reliability, very fast-acting subminiature radial leaded fuses. 

Results: 126
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Description Datasheet Availability Pricing (JPY) 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
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Packaging
Littelfuse Fuses with Leads - Through Hole 125V 1A MICRO Very Fast Acting
Datasheet
3In Stock
Min.: 1
Mult.: 1

274 Hi-Rel Fuses 1 A 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 88 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 2A, 125V FM02A Mil Micro Fuse
Datasheet
3In Stock
Min.: 1
Mult.: 1

274 Hi-Rel Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 42.5 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting
Datasheet
3In Stock
Min.: 1
Mult.: 1

274 Hi-Rel Fuses 3 A 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 27.5 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .031A MICRO Very Fast Acting
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
272 PCB Mount Fuses 31 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 16 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .01A MICRO Very Fast Acting
Datasheet
1In Stock
20Expected 9/24/2026
Min.: 1
Mult.: 1
No
273 PCB Mount Fuses 10 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 80 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .015A MICRO Very Fast Acting
Datasheet
14In Stock
Min.: 1
Mult.: 1
No
273 PCB Mount Fuses 15 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 57.8 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting
Datasheet
2,485On Order
Min.: 1
Mult.: 1

273 PCB Mount Fuses 100 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 1.38 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .5A MICRO Very Fast Acting
Datasheet
518On Order
Min.: 1
Mult.: 1

272 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 167 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .3A MICRO Very Fast Acting
Datasheet
300Expected 5/27/2027
Min.: 1
Mult.: 1

273 PCB Mount Fuses 300 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 1.25 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .4A MICRO Very Fast Acting
Datasheet
1,983On Order
Min.: 1
Mult.: 1

273 PCB Mount Fuses 400 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 227 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .5A MICRO Very Fast Acting
Datasheet
889On Order
Min.: 1
Mult.: 1

273 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 167 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .05A MICRO Very Fast Acting
Datasheet
40Expected 9/1/2026
Min.: 1
Mult.: 1

272 PCB Mount Fuses 50 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 3.52 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .125A MICRO Very Fast Acting
Datasheet
5Expected 10/22/2026
Min.: 1
Mult.: 1

272 PCB Mount Fuses 125 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 1 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V V/FA MICRO .500A
Datasheet
2In Stock
50Expected 11/19/2026
Min.: 1
Mult.: 1

273 PCB Mount Fuses 500 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 167 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V V/FA MICRO 2A
Datasheet
35Expected 9/24/2026
Min.: 1
Mult.: 1

273 PCB Mount Fuses 2 A 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 42.5 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V 5A MICRO Very Fast Acting
Datasheet
45On Order
Min.: 1
Mult.: 1

274 Hi-Rel Fuses 5 A 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 85 C 280 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .3A w/ Radial Leads
Datasheet
5Stock Available
More Info Available
Min.: 5
Mult.: 5
No
269 PCB Mount Fuses 300 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 1.25 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .4A w/ Radial Leads
Datasheet
30Stock Available
More Info Available
Min.: 5
Mult.: 5
No
269 PCB Mount Fuses 400 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 227 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole 125V .2A w/ Radial Leads
Datasheet
Non-Stocked Lead-Time 37 Weeks
Min.: 10
Mult.: 5
No
269 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC Radial MICRO Bulk
Littelfuse Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .010A
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 10
Mult.: 5

262 PCB Mount Fuses 10 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 94 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .031A
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 10
Mult.: 5

262 PCB Mount Fuses 31 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 16.45 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .050A
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 10
Mult.: 5

262 PCB Mount Fuses 50 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 3.2 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .200A
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 10
Mult.: 5

262 PCB Mount Fuses 200 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 2.3 Ohms Bulk
Littelfuse Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .400A
Datasheet
Non-Stocked Lead-Time 27 Weeks
Min.: 10
Mult.: 5

262 PCB Mount Fuses 400 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 227 mOhms Bulk
Littelfuse Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .700A
Datasheet
Non-Stocked
Min.: 10
Mult.: 5

262 PCB Mount Fuses 700 mA 125 VAC Fast Blow Leaded Fuses 125 VDC 10 kA Radial MICRO - 55 C + 125 C 114 mOhms Bulk