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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) 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: 9,39 € 4.867In 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	4.867In Stock	9,39 € 9,02 € 8,69 € 6,68 € View 5,68 € 5,35 € 4,77 €	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: 55,81 € 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	55,81 € 46,34 € 42,85 € 37,07 € View 33,81 € 33,10 €	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 1.5A MICRO Very Fast Acting 027301.5H Littelfuse 1: 7,71 € 169In 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	169In Stock	7,71 € 7,02 € 4,93 € 4,77 €	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
Fuses with Leads - Through Hole 125V .002A MICRO Very Fast Acting 0272.002V Littelfuse 1: 72,28 € 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	72,28 € 52,86 € 49,52 € 45,37 €	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: 9,50 € 4.805In 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	4.805In Stock 3.200Expected 21/12/2026	9,50 € 9,13 € 8,79 € 6,76 € View 5,74 € 5,41 € 4,84 €	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: 52,86 € 434In Stock 850On Order	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	434In Stock 850On Order On Order Ship Dates Mfr. No: 0273.031V Stock: 434 Can Dispatch Immediately On Order: 185 Expected 19/11/2026 665 Expected 12/04/2027 Factory Lead Time: 29 Weeks	52,86 € 43,90 € 40,60 € 35,11 € View 32,03 € 31,37 €	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 2A MICRO Very Fast Acting 0272002.H Littelfuse 1: 12,92 € 271In Stock	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	271In Stock	12,92 € 11,27 € 10,33 € 8,92 € View 7,56 € 7,04 € 6,71 €	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: 12,92 € 900In 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	900In Stock	12,92 € 11,27 € 10,33 € 8,92 € View 7,56 € 7,04 € 6,71 €	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: 14,59 € 480In Stock 915Expected 12/11/2026	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	480In Stock 915Expected 12/11/2026	14,59 € 12,97 € 11,17 € 10,85 € View 9,61 € 9,44 €	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 .125A MICRO Very Fast Acting 0273.125H Littelfuse 1: 9,31 € 950In Stock 3.400On Order	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	950In Stock 3.400On Order On Order Ship Dates Mfr. No: 0273.125H Stock: 950 Can Dispatch Immediately On Order: 1.400 Expected 31/03/2027 2.000 Expected 12/07/2027 Factory Lead Time: 29 Weeks	9,31 € 9,08 € 8,07 € 6,81 € 5,70 €	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: 9,39 € 1.198In 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	1.198In Stock	9,39 € 9,02 € 8,69 € 6,68 € View 5,68 € 5,35 € 4,77 €	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: 15,88 € 425In Stock 456On Order	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	425In Stock 456On Order On Order Ship Dates Mfr. No: 0273.600V Stock: 425 Can Dispatch Immediately On Order: 41 Expected 21/10/2026 185 Expected 29/10/2026 230 Expected 19/04/2027 Factory Lead Time: 29 Weeks	15,88 € 14,33 € 13,13 € 11,34 € View 9,55 € 8,95 € 8,53 €	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 .005A MICRO Very Fast Acting 0273.005V Littelfuse 1: 55,49 € 115In Stock 70Expected 21/07/2027	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	115In Stock 70Expected 21/07/2027	55,49 € 46,06 € 42,48 € 37,74 € 37,25 €	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: 15,93 € 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	15,93 € 14,37 € 13,18 € 11,38 € View 9,58 € 8,98 € 8,55 €	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: 16,48 € 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	16,48 € 14,08 € 12,99 € 12,48 €	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 .1A MICRO Very Fast Acting 0272.100H Littelfuse 1: 12,76 € 106In Stock 100Expected 19/04/2027	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	106In Stock 100Expected 19/04/2027	12,76 € 11,14 € 10,21 € 8,82 € 7,71 €	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 1.5A MICRO Very Fast Acting 027201.5H Littelfuse 1: 12,72 € 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	12,72 € 10,56 € 9,74 € 8,08 € View 7,56 € 7,38 €	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: 17,32 € 69In 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	69In Stock	17,32 € 14,95 € 13,48 € 11,67 € View 10,75 € 10,74 € 10,51 € 10,48 € 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 V/FA MICRO .500A 0273.500V Littelfuse 1: 15,75 € 10In Stock 50Expected 03/12/2026	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	10In Stock 50Expected 03/12/2026	15,75 € 13,58 € 10,39 € 9,74 €	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 .75A MICRO Very Fast Acting 0273.750H Littelfuse 1: 9,50 € 9In Stock 300Expected 13/10/2026	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	9In Stock 300Expected 13/10/2026	9,50 € 9,13 € 8,79 € 6,76 € View 5,74 € 5,41 €	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 1A MICRO Very Fast Acting 0273001.H Littelfuse 1: 9,90 € 214In 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	214In Stock 2.200On Order On Order Ship Dates Mfr. No: 0273001.H Stock: 214 Can Dispatch Immediately On Order: 300 Expected 29/10/2026 800 Expected 03/12/2026 1.100 Expected 21/12/2026 Factory Lead Time: 29 Weeks	9,90 € 8,22 € 7,59 € 6,30 € View 5,80 € 5,25 €	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: 16,11 € 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	16,11 € 14,53 € 13,32 € 11,51 € View 9,69 € 9,08 € 8,66 €	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: 16,09 € 5In Stock 25Expected 07/04/2027	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 07/04/2027	16,09 € 14,03 € 13,07 € 12,11 € 10,54 €	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 4A MICRO Very Fast Acting 0273004.H Littelfuse 1: 9,90 € 7In Stock 500Expected 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	7In Stock 500Expected 14/12/2026	9,90 € 8,79 € 8,04 € 6,51 € View 5,73 € 5,39 €	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 V/FA MICRO 5A 0273005.V Littelfuse 1: 15,93 € 5In Stock 65Expected 05/11/2026	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 05/11/2026	15,93 € 14,37 € 13,18 € 11,38 € 9,58 €	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