Fuses with Leads - Through Hole

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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.

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RoHS Compliant

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	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
Fuses with Leads - Through Hole 125V 1A MICRO Very Fast Acting 0274001.V Littelfuse 1: Rp477.913,30 3In Stock	Mfr. Part No. 0274001.V Mouser Part No 576-0274001.V	Littelfuse	Fuses with Leads - Through Hole 125V 1A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	3In Stock	Rp477.913,30 Rp396.457,06 Rp365.635,78 Rp303.075,92 View Rp279.226,12 Rp263.632,02	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
Fuses with Leads - Through Hole 2A, 125V FM02A Mil Micro Fuse 0274002.V Littelfuse 1: Rp473.693,72 8In Stock	Mfr. Part No. 0274002.V Mouser Part No 576-0274002.V	Littelfuse	Fuses with Leads - Through Hole 2A, 125V FM02A Mil Micro Fuse Learn More about Littelfuse micro tr3 fuses	Datasheet	8In Stock	Rp473.693,72 Rp392.787,86 Rp348.940,92 Rp300.324,02 View Rp294.636,76 Rp290.233,72	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
Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting 0274003.V Littelfuse 1: Rp465.254,56 3In Stock	Mfr. Part No. 0274003.V Mouser Part No 576-0274003.V	Littelfuse	Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	3In Stock	Rp465.254,56 Rp328.209,94 Rp290.233,72	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
Fuses with Leads - Through Hole 125V .031A MICRO Very Fast Acting 0272.031V Littelfuse 1: Rp1.142.588,88 8In Stock	Mfr. Part No. 0272.031V Mouser Part No 576-0272.031V	Littelfuse	Fuses with Leads - Through Hole 125V .031A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	8In Stock	Rp1.142.588,88 Rp947.937,82 Rp921.886,50 Rp775.118,50 Rp772.733,52	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
Fuses with Leads - Through Hole 125V .01A MICRO Very Fast Acting 0273.010V Littelfuse 1: Rp1.216.339,80 23In Stock	Mfr. Part No. 0273.010V Mouser Part No 576-0273.010V	Littelfuse	Fuses with Leads - Through Hole 125V .01A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	23In Stock	Rp1.216.339,80 Rp1.030.861,74 Rp954.175,46 Rp813.461,64	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
Fuses with Leads - Through Hole 125V .015A MICRO Very Fast Acting 0273.015V Littelfuse 1: Rp1.107.731,48 14In Stock	Mfr. Part No. 0273.015V Mouser Part No 576-0273.015V	Littelfuse	Fuses with Leads - Through Hole 125V .015A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	14In Stock	Rp1.107.731,48 Rp918.767,68 Rp847.585,20 Rp738.059,58	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
Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting 0273002.H Littelfuse 1: Rp196.852,58 8.150On Order	Mfr. Part No. 0273002.H Mouser Part No 576-0273002.H	Littelfuse	Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	8.150On Order On Order Ship Dates Mfr. No: 0273002.H Stock: 0 On Order: 150 Expected 03/11/2026 1.800 Expected 19/11/2026 1.300 Expected 24/12/2026 1.900 Expected 31/12/2026 3.000 Expected 06/01/2027 Factory Lead Time: 29 Weeks	Rp196.852,58 Rp175.387,76 Rp160.160,58 Rp134.109,26 View Rp116.864,02 Rp112.094,06	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
Fuses with Leads - Through Hole 125V .5A MICRO Very Fast Acting 0272.500H Littelfuse 1: Rp272.254,64 518Expected 15/03/2027	Mfr. Part No. 0272.500H Mouser Part No 576-0272.500H	Littelfuse	Fuses with Leads - Through Hole 125V .5A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	518Expected 15/03/2027	Rp272.254,64 Rp237.580,70 Rp217.767,02 Rp188.046,50 View Rp159.243,28 Rp148.419,14	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
Fuses with Leads - Through Hole 125V .3A MICRO Very Fast Acting 0273.300H Littelfuse 1: Rp199.971,40 300Expected 19/11/2026	Mfr. Part No. 0273.300H Mouser Part No 576-0273.300H	Littelfuse	Fuses with Leads - Through Hole 125V .3A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	300Expected 19/11/2026	Rp199.971,40 Rp180.524,64 Rp170.984,72 Rp135.576,94 View Rp116.680,56 Rp104.388,74	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
Fuses with Leads - Through Hole 125V .4A MICRO Very Fast Acting 0273.400H Littelfuse 1: Rp200.338,32 1.983Expected 18/01/2027	Mfr. Part No. 0273.400H Mouser Part No 576-0273.400H	Littelfuse	Fuses with Leads - Through Hole 125V .4A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	1.983Expected 18/01/2027	Rp200.338,32 Rp192.449,54 Rp185.294,60 Rp142.548,42 View Rp121.083,60 Rp114.112,12	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
Fuses with Leads - Through Hole 125V .5A MICRO Very Fast Acting 0273.500H Littelfuse 1: Rp199.421,02 889On Order	Mfr. Part No. 0273.500H Mouser Part No 576-0273.500H	Littelfuse	Fuses with Leads - Through Hole 125V .5A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	889On Order On Order Ship Dates Mfr. No: 0273.500H Stock: 0 On Order: 489 Expected 03/12/2026 400 Expected 14/12/2026 Factory Lead Time: 29 Weeks	Rp199.421,02 Rp193.733,76 Rp172.085,48 Rp145.300,32 View Rp118.515,16 Rp112.094,06	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
Fuses with Leads - Through Hole 125V 4A MICRO Very Fast Acting 0273004.H Littelfuse 1: Rp202.723,30 495Expected 14/12/2026	Mfr. Part No. 0273004.H Mouser Part No 576-0273004.H	Littelfuse	Fuses with Leads - Through Hole 125V 4A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	495Expected 14/12/2026	Rp202.723,30 Rp175.387,76 Rp161.811,72 Rp134.109,26 View Rp122.184,36 Rp112.094,06	Min.: 1 Mult.: 1		273	PCB Mount Fuses	4 A	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	20.2 mOhms	Bulk
Fuses with Leads - Through Hole 125V .125A MICRO Very Fast Acting 0272.125V Littelfuse 1: Rp374.074,94 5Expected 18/02/2027	Mfr. Part No. 0272.125V Mouser Part No 576-0272.125V	Littelfuse	Fuses with Leads - Through Hole 125V .125A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	5Expected 18/02/2027	Rp374.074,94 Rp309.130,10 Rp285.280,30 Rp262.898,18 Rp241.249,90	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
Fuses with Leads - Through Hole 125V V/FA MICRO .500A 0273.500V Littelfuse 1: Rp335.915,26 4Expected 03/11/2026	Mfr. Part No. 0273.500V Mouser Part No 576-0273.500V	Littelfuse	Fuses with Leads - Through Hole 125V V/FA MICRO .500A Learn More about Littelfuse micro tr3 fuses	Datasheet	4Expected 03/11/2026	Rp335.915,26 Rp289.316,42 Rp267.668,14 Rp222.536,98 Rp207.860,18	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
Fuses with Leads - Through Hole 125V V/FA MICRO 2A 0273002.V Littelfuse 1: Rp348.023,62 30Expected 26/11/2026	Mfr. Part No. 0273002.V Mouser Part No 576-0273002.V	Littelfuse	Fuses with Leads - Through Hole 125V V/FA MICRO 2A Learn More about Littelfuse micro tr3 fuses	Datasheet	30Expected 26/11/2026	Rp348.023,62 Rp299.039,80 Rp267.484,68 Rp230.242,30 Rp212.079,76	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
Fuses with Leads - Through Hole 125V 5A MICRO Very Fast Acting 0274005.V Littelfuse 1: Rp478.096,76 25Expected 26/11/2026	Mfr. Part No. 0274005.V Mouser Part No 576-0274005.V	Littelfuse	Fuses with Leads - Through Hole 125V 5A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	25Expected 26/11/2026	Rp478.096,76 Rp392.971,32 Rp362.516,96 Rp300.507,48 Rp290.233,72	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
Fuses with Leads - Through Hole 125V .3A w/ Radial Leads 0269.300V Littelfuse 1: Rp9.619.358,18 5Stock Available	Mfr. Part No. 0269.300V Mouser Part No 576-0269.300V	Littelfuse	Fuses with Leads - Through Hole 125V .3A w/ Radial Leads Learn More about Littelfuse micro tr3 fuses	Datasheet	5Stock Available More Info Available	Rp9.619.358,18 Rp7.966.750,50	Min.: 1 Mult.: 1	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
Fuses with Leads - Through Hole 125V .2A w/ Radial Leads 0269.200V Littelfuse 10: Rp8.793.054,34 Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. 0269.200V Mouser Part No 576-0269.200V	Littelfuse	Fuses with Leads - Through Hole 125V .2A w/ Radial Leads Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked Lead-Time 37 Weeks	Rp8.793.054,34	Min.: 10 Mult.: 5	No	269	PCB Mount Fuses	200 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC		Radial	MICRO				Bulk
Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .010A 0262.010V Littelfuse 10: Rp12.147.253,52 Non-Stocked Lead-Time 27 Weeks	Mfr. Part No. 0262.010V Mouser Part No 576-0262.010V	Littelfuse	Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .010A Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked Lead-Time 27 Weeks	Rp12.147.253,52	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
Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .031A 0262.031V Littelfuse 10: Rp12.331.814,28 Non-Stocked Lead-Time 27 Weeks	Mfr. Part No. 0262.031V Mouser Part No 576-0262.031V	Littelfuse	Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .031A Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked Lead-Time 27 Weeks	Rp12.331.814,28	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
Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .050A 0262.050V Littelfuse 10: Rp7.989.499,54 Non-Stocked Lead-Time 27 Weeks	Mfr. Part No. 0262.050V Mouser Part No 576-0262.050V	Littelfuse	Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .050A Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked Lead-Time 27 Weeks	Rp7.989.499,54	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
Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .200A 0262.200V Littelfuse 10: Rp8.250.196,20 Non-Stocked Lead-Time 27 Weeks	Mfr. Part No. 0262.200V Mouser Part No 576-0262.200V	Littelfuse	Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .200A Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked Lead-Time 27 Weeks	Rp8.250.196,20	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
Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .400A 0262.400V Littelfuse 10: Rp8.206.165,80 Non-Stocked Lead-Time 27 Weeks	Mfr. Part No. 0262.400V Mouser Part No 576-0262.400V	Littelfuse	Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .400A Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked Lead-Time 27 Weeks	Rp8.206.165,80	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
Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .700A 0262.700V Littelfuse 10: Rp7.989.499,54 Non-Stocked	Mfr. Part No. 0262.700V Mouser Part No 576-0262.700V	Littelfuse	Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .700A Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked	Rp7.989.499,54	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
Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .750A 0262.750V Littelfuse 10: Rp7.989.499,54 Non-Stocked	Mfr. Part No. 0262.750V Mouser Part No 576-0262.750V	Littelfuse	Fuses with Leads - Through Hole FUSE 125V V/FA HI REL MICRO FUSE .750A Learn More about Littelfuse micro tr3 fuses	Datasheet	Non-Stocked	Rp7.989.499,54	Min.: 10 Mult.: 5		262	PCB Mount Fuses	750 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	104 mOhms	Bulk