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 3A MICRO Very Fast Acting 0273003.H Littelfuse 1: Rp157.775,60 4.847In Stock	Mfr. Part No. 0273003.H Mouser Part No 576-0273003.H	Littelfuse	Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	4.847In Stock	Rp157.775,60 Rp143.649,18 Rp132.458,12 Rp115.579,80 View Rp104.388,74 Rp102.370,68 Rp97.967,64	Min.: 1 Mult.: 1		273	PCB Mount 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 .015A MICRO Very Fast Acting 0272.015V Littelfuse 1: Rp1.124.059,42 63In Stock	Mfr. Part No. 0272.015V Mouser Part No 576-0272.015V	Littelfuse	Fuses with Leads - Through Hole 125V .015A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	63In Stock	Rp1.124.059,42 Rp932.710,64 Rp886.845,64 Rp734.023,46 View Rp678.985,46 Quote	Min.: 1 Mult.: 1	No	272	PCB Mount Fuses	15 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	44 Ohms	Bulk
Fuses with Leads - Through Hole 125V .002A MICRO Very Fast Acting 0272.002V Littelfuse 1: Rp1.540.146,70 22In Stock	Mfr. Part No. 0272.002V Mouser Part No 576-0272.002V	Littelfuse	Fuses with Leads - Through Hole 125V .002A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	22In Stock	Rp1.540.146,70 Rp1.182.950,08 Rp1.113.235,28 Rp977.107,96 Rp930.509,12	Min.: 1 Mult.: 1	No	272	PCB Mount Fuses	2 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	2.2 kOhms	Bulk
Fuses with Leads - Through Hole 125V .05A MICRO Very Fast Acting 0273.050H Littelfuse 1: Rp202.723,30 4.216In Stock 3.200Expected 21/12/2026	Mfr. Part No. 0273.050H Mouser Part No 576-0273.050H	Littelfuse	Fuses with Leads - Through Hole 125V .05A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	4.216In Stock 3.200Expected 21/12/2026	Rp202.723,30 Rp194.834,52 Rp187.496,12 Rp144.199,56 View Rp122.551,28 Rp115.396,34 Rp102.921,06	Min.: 1 Mult.: 1		273	PCB Mount Fuses	50 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	3.52 Ohms	Bulk
Fuses with Leads - Through Hole 125V .031A MICRO Very Fast Acting 0273.031V Littelfuse 1: Rp1.127.728,62 762In Stock 500Expected 04/01/2027	Mfr. Part No. 0273.031V Mouser Part No 576-0273.031V	Littelfuse	Fuses with Leads - Through Hole 125V .031A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	762In Stock 500Expected 04/01/2027	Rp1.127.728,62 Rp936.563,30 Rp866.114,66 Rp749.067,18 View Rp683.205,04 Rp668.344,78	Min.: 1 Mult.: 1	No	273	PCB Mount Fuses	31 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	16 Ohms	Bulk
Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting 0272.100H Littelfuse 1: Rp272.254,64 206In Stock	Mfr. Part No. 0272.100H Mouser Part No 576-0272.100H	Littelfuse	Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	206In Stock	Rp272.254,64 Rp237.580,70 Rp217.767,02 Rp188.046,50 View Rp159.243,28 Rp148.419,14 Rp141.264,20	Min.: 1 Mult.: 1		272	PCB Mount Fuses	100 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	1.38 Ohms	Bulk
Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting 0272002.H Littelfuse 1: Rp275.556,92 211In Stock 200Expected 16/08/2027	Mfr. Part No. 0272002.H Mouser Part No 576-0272002.H	Littelfuse	Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	211In Stock 200Expected 16/08/2027	Rp275.556,92 Rp240.332,60 Rp220.335,46 Rp190.248,02 View Rp161.261,34 Rp150.253,74 Rp142.915,34	Min.: 1 Mult.: 1		272	PCB Mount Fuses	2 A	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	42.5 mOhms	Bulk
Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting 0272003.H Littelfuse 1: Rp275.556,92 890In Stock	Mfr. Part No. 0272003.H Mouser Part No 576-0272003.H	Littelfuse	Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	890In Stock	Rp275.556,92 Rp240.332,60 Rp220.335,46 Rp190.248,02 View Rp161.261,34 Rp150.253,74 Rp142.915,34	Min.: 1 Mult.: 1		272	PCB Mount Fuses	3 A	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	27.5 mOhms	Bulk
Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting 0273.062V Littelfuse 1: Rp311.331,62 420In Stock 915On Order	Mfr. Part No. 0273.062V Mouser Part No 576-0273.062V	Littelfuse	Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	420In Stock 915On Order On Order Ship Dates Mfr. No: 0273.062V Stock: 420 Can Dispatch Immediately On Order: 555 Expected 05/11/2026 360 Expected 12/11/2026 Factory Lead Time: 29 Weeks	Rp311.331,62 Rp276.657,68 Rp238.314,54 Rp231.526,52 View Rp205.108,28 Rp201.439,08	Min.: 1 Mult.: 1		273	PCB Mount Fuses	62 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	2.55 Ohms	Bulk
Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting 0273.100H Littelfuse 1: Rp216.849,72 377In Stock 1.700Expected 26/11/2026	Mfr. Part No. 0273.100H Mouser Part No 576-0273.100H	Littelfuse	Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	377In Stock 1.700Expected 26/11/2026	Rp216.849,72 Rp209.327,86 Rp201.439,08 Rp155.023,70 View Rp131.724,28 Rp124.018,96	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
Fuses with Leads - Through Hole 125V .125A MICRO Very Fast Acting 0273.125H Littelfuse 1: Rp198.503,72 915In Stock 3.400Expected 17/03/2027	Mfr. Part No. 0273.125H Mouser Part No 576-0273.125H	Littelfuse	Fuses with Leads - Through Hole 125V .125A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	915In Stock 3.400Expected 17/03/2027	Rp198.503,72 Rp193.733,76 Rp172.085,48 Rp145.300,32 View Rp119.432,46 Rp117.414,40 Rp112.094,06	Min.: 1 Mult.: 1		273	PCB Mount Fuses	125 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	1 Ohms	Bulk
Fuses with Leads - Through Hole 125V .25A MICRO Very Fast Acting 0273.250H Littelfuse 1: Rp200.338,32 1.155In Stock	Mfr. Part No. 0273.250H Mouser Part No 576-0273.250H	Littelfuse	Fuses with Leads - Through Hole 125V .25A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	1.155In Stock	Rp200.338,32 Rp192.449,54 Rp185.294,60 Rp142.548,42 View Rp121.083,60 Rp114.112,12 Rp101.636,84	Min.: 1 Mult.: 1		273	PCB Mount Fuses	250 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	1.75 Ohms	Bulk
Fuses with Leads - Through Hole 125V .6A MICRO Very Fast Acting 0273.600V Littelfuse 1: Rp347.289,78 596In Stock 230Expected 25/03/2027	Mfr. Part No. 0273.600V Mouser Part No 576-0273.600V	Littelfuse	Fuses with Leads - Through Hole 125V .6A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	596In Stock 230Expected 25/03/2027	Rp347.289,78 Rp296.838,28 Rp274.089,24 Rp227.123,48 View Rp209.327,86 Rp209.144,40 Rp185.478,06	Min.: 1 Mult.: 1		273	PCB Mount Fuses	600 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	430 mOhms	Bulk
Fuses with Leads - Through Hole 125V .75A MICRO Very Fast Acting 0273.750H Littelfuse 1: Rp202.723,30 318In Stock	Mfr. Part No. 0273.750H Mouser Part No 576-0273.750H	Littelfuse	Fuses with Leads - Through Hole 125V .75A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	318In Stock	Rp202.723,30 Rp194.834,52 Rp187.496,12 Rp144.199,56 View Rp122.551,28 Rp115.396,34 Rp102.921,06	Min.: 1 Mult.: 1		273	PCB Mount Fuses	750 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	293 mOhms	Bulk
Fuses with Leads - Through Hole 125V .005A MICRO Very Fast Acting 0273.005V Littelfuse 1: Rp1.183.683,92 155In Stock 35Expected 21/12/2026	Mfr. Part No. 0273.005V Mouser Part No 576-0273.005V	Littelfuse	Fuses with Leads - Through Hole 125V .005A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	155In Stock 35Expected 21/12/2026	Rp1.183.683,92 Rp982.611,76 Rp906.292,40 Rp805.022,48 Rp794.565,26	Min.: 1 Mult.: 1	No	273	PCB Mount Fuses	5 mA	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 .05A MICRO Very Fast Acting 0272.050V Littelfuse 1: Rp339.767,92 40In Stock	Mfr. Part No. 0272.050V Mouser Part No 576-0272.050V	Littelfuse	Fuses with Leads - Through Hole 125V .05A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	40In Stock	Rp339.767,92 Rp306.561,66 Rp281.060,72 Rp242.717,58 View Rp204.374,44 Rp191.532,24 Rp182.359,24	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
Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting 0272.062V Littelfuse 1: Rp351.509,36 11In Stock	Mfr. Part No. 0272.062V Mouser Part No 576-0272.062V	Littelfuse	Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	11In Stock	Rp351.509,36 Rp300.324,02 Rp277.024,60 Rp229.691,92 View Rp211.712,84 Rp202.539,84	Min.: 1 Mult.: 1		272	PCB Mount Fuses	62 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	2.55 Ohms	Bulk
Fuses with Leads - Through Hole 125V 1.5A MICRO Very Fast Acting 027201.5H Littelfuse 1: Rp271.337,34 129In Stock	Mfr. Part No. 027201.5H Mouser Part No 576-027201.5H	Littelfuse	Fuses with Leads - Through Hole 125V 1.5A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	129In Stock	Rp271.337,34 Rp225.288,88 Rp207.860,18 Rp172.268,94 View Rp161.261,34 Rp157.408,68	Min.: 1 Mult.: 1		272	PCB Mount Fuses	1.5 A	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 125 C	57.8 mOhms	Bulk
Fuses with Leads - Through Hole 125V .2A MICRO Very Fast Acting 0273.200V Littelfuse 1: Rp374.441,86 9In Stock	Mfr. Part No. 0273.200V Mouser Part No 576-0273.200V	Littelfuse	Fuses with Leads - Through Hole 125V .2A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	9In Stock	Rp374.441,86 Rp322.889,60 Rp291.517,94 Rp248.955,22 View Rp229.325,00 Rp229.141,54 Rp226.940,02 Quote	Min.: 1 Mult.: 1		273	PCB Mount Fuses	200 mA	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	2.3 Ohms	Bulk
Fuses with Leads - Through Hole 125V 1A MICRO Very Fast Acting 0273001.H Littelfuse 1: Rp211.162,46 173In Stock 2.200On Order	Mfr. Part No. 0273001.H Mouser Part No 576-0273001.H	Littelfuse	Fuses with Leads - Through Hole 125V 1A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	173In Stock 2.200On Order On Order Ship Dates Mfr. No: 0273001.H Stock: 173 Can Dispatch Immediately On Order: 300 Expected 12/11/2026 1.100 Expected 21/12/2026 800 Expected 31/12/2026 Factory Lead Time: 29 Weeks	Rp211.162,46 Rp175.387,76 Rp161.811,72 Rp134.843,10 View Rp123.652,04 Rp112.094,06	Min.: 1 Mult.: 1		273	PCB Mount 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 125V V/FA MICRO 1A 0273001.V Littelfuse 1: Rp343.620,58 43In Stock	Mfr. Part No. 0273001.V Mouser Part No 576-0273001.V	Littelfuse	Fuses with Leads - Through Hole 125V V/FA MICRO 1A Learn More about Littelfuse micro tr3 fuses	Datasheet	43In Stock	Rp343.620,58 Rp310.047,40 Rp284.179,54 Rp245.469,48 View Rp206.759,42 Rp193.733,76 Rp184.377,30	Min.: 1 Mult.: 1		273	PCB Mount 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 125V V/FA MICRO 3A 0273003.V Littelfuse 1: Rp343.253,66 5In Stock 25Expected 03/12/2026	Mfr. Part No. 0273003.V Mouser Part No 576-0273003.V	Littelfuse	Fuses with Leads - Through Hole 125V V/FA MICRO 3A Learn More about Littelfuse micro tr3 fuses	Datasheet	5In Stock 25Expected 03/12/2026	Rp343.253,66 Rp299.223,26 Rp278.859,20 Rp258.311,68 Rp224.738,50	Min.: 1 Mult.: 1		273	PCB Mount 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 5A MICRO Very Fast Acting 0273005.H Littelfuse 1: Rp211.162,46 24In Stock 6.000On Order	Mfr. Part No. 0273005.H Mouser Part No 576-0273005.H	Littelfuse	Fuses with Leads - Through Hole 125V 5A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	24In Stock 6.000On Order On Order Ship Dates Mfr. No: 0273005.H Stock: 24 Can Dispatch Immediately On Order: 800 Expected 14/12/2026 700 Expected 21/12/2026 1.100 Expected 24/12/2026 3.400 Expected 04/03/2027 Factory Lead Time: 29 Weeks	Rp211.162,46 Rp175.938,14 Rp161.811,72 Rp138.695,76 View Rp119.799,38 Rp108.424,86	Min.: 1 Mult.: 1		273	PCB Mount 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 V/FA MICRO 5A 0273005.V Littelfuse 1: Rp339.767,92 5In Stock 65Expected 03/12/2026	Mfr. Part No. 0273005.V Mouser Part No 576-0273005.V	Littelfuse	Fuses with Leads - Through Hole 125V V/FA MICRO 5A Learn More about Littelfuse micro tr3 fuses	Datasheet	5In Stock 65Expected 03/12/2026	Rp339.767,92 Rp306.561,66 Rp281.060,72 Rp242.717,58 Rp204.374,44	Min.: 1 Mult.: 1		273	PCB Mount 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 1.5A MICRO Very Fast Acting 027301.5H Littelfuse 1: Rp189.697,64 119In Stock	Mfr. Part No. 027301.5H Mouser Part No 576-027301.5H	Littelfuse	Fuses with Leads - Through Hole 125V 1.5A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	119In Stock	Rp189.697,64 Rp165.297,46 Rp152.638,72 Rp126.403,94 View Rp114.479,04 Rp112.094,06	Min.: 1 Mult.: 1		273	PCB Mount Fuses	1.5 A	125 VAC	Fast Blow	Leaded Fuses	125 VDC	10 kA	Radial	MICRO	- 55 C	+ 85 C	57.8 mOhms	Bulk