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 (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: 7,72 € 4.827In 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	4.827In Stock	7,72 € 6,72 € 6,17 € 5,40 € View 4,95 € 4,80 € 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 3A MICRO Very Fast Acting 0272003.H Littelfuse 1: 12,72 € 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	12,72 € 10,56 € 8,75 € 7,68 € View 6,88 € 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 .05A MICRO Very Fast Acting 0273.050H Littelfuse 1: 9,44 € 4.126In Stock 3.200Expected 18/01/2027	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	4.126In Stock 3.200Expected 18/01/2027	9,44 € 7,83 € 7,23 € 5,99 € View 5,52 € 4,86 € 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 .062A MICRO Very Fast Acting 0273.062V Littelfuse 1: 15,83 € 1.335In Stock	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	1.335In Stock	15,83 € 13,21 € 12,97 € 12,12 € View 11,17 € 10,02 € 9,91 € 9,53 € Quote	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: 11,76 € 2.245In Stock 100Expected 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	2.245In Stock 100Expected 26/11/2026	11,76 € 10,97 € 10,48 € 8,06 € View 6,88 € 6,45 € 6,39 €	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 .031A MICRO Very Fast Acting 0273.031V Littelfuse 1: 52,86 € 712In 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	712In Stock 500Expected 04/01/2027	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 .1A MICRO Very Fast Acting 0272.100H Littelfuse 1: 12,76 € 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	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 2A MICRO Very Fast Acting 0272002.H Littelfuse 1: 12,72 € 211In Stock 200Expected 10/05/2027	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 10/05/2027	12,72 € 10,56 € 9,74 € 9,18 € View 8,05 € 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 .125A MICRO Very Fast Acting 0273.125H Littelfuse 1: 10,25 € 1.115In Stock 3.200Expected 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	1.115In Stock 3.200Expected 17/03/2027	10,25 € 9,31 € 8,58 € 7,12 € View 6,37 € 6,25 €	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: 9,34 € 721In 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	721In Stock	9,34 € 7,75 € 7,16 € 5,93 € View 5,46 € 4,81 € 4,80 € 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: 16,78 € 586In Stock 230Expected 07/01/2027	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	586In Stock 230Expected 07/01/2027	16,78 € 13,91 € 12,85 € 10,65 € View 9,81 € 9,80 € 8,69 €	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: 10,01 € 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	10,01 € 8,31 € 7,66 € 6,36 € View 5,85 € 5,15 € 4,92 € Quote	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: 9,67 € 605In Stock 1.900Expected 21/12/2026	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	605In Stock 1.900Expected 21/12/2026	9,67 € 8,22 € 7,59 € 6,29 € View 5,79 € 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 5A MICRO Very Fast Acting 0273005.H Littelfuse 1: 9,91 € 941In Stock 4.700On 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	941In Stock 4.700On Order On Order Ship Dates Mfr. No: 0273005.H Stock: 941 Can Dispatch Immediately On Order: 200 Expected 21/12/2026 1.100 Expected 24/12/2026 3.400 Expected 04/03/2027 Factory Lead Time: 29 Weeks	9,91 € 8,42 € 7,63 € 6,65 € View 5,86 € 5,07 €	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 .005A MICRO Very Fast Acting 0273.005V Littelfuse 1: 55,49 € 130In 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	130In Stock 35Expected 21/12/2026	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: 16,83 € 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	16,83 € 13,96 € 12,88 € 10,68 € View 9,85 € 8,82 € 8,72 €	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 € 12,53 €	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: 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 V/FA MICRO .500A 0273.500V Littelfuse 1: 17,37 € 4In Stock	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	4In Stock	17,37 € 14,52 € 13,30 € 11,10 € 10,16 €	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 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 2A MICRO Very Fast Acting 0273002.H Littelfuse 1: 9,90 € 24In Stock 8.000On 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	24In Stock 8.000On Order On Order Ship Dates Mfr. No: 0273002.H Stock: 24 Can Dispatch Immediately On Order: 1.800 Expected 23/11/2026 1.300 Expected 24/12/2026 1.900 Expected 31/12/2026 3.000 Expected 06/01/2027 Factory Lead Time: 29 Weeks	9,90 € 8,78 € 7,59 € 6,01 € View 5,37 € 5,25 €	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 V/FA MICRO 3A 0273003.V Littelfuse 1: 17,57 € 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	17,57 € 14,91 € 13,07 € 12,47 € 10,72 €	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 V/FA MICRO 5A 0273005.V Littelfuse 1: 17,68 € 5In Stock 65Expected 23/11/2026	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 23/11/2026	17,68 € 15,80 € 14,62 € 11,02 € 9,29 €	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: 9,34 € 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	9,34 € 7,75 € 7,16 € 5,93 € View 5,46 € 5,25 €	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 1A MICRO Very Fast Acting 0274001.V Littelfuse 1: 22,40 € 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	22,40 € 18,58 € 17,14 € 14,21 € View 13,09 € 12,38 €	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