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 (JPY) 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: ¥1,428.5 4,837In Stock	Mfr. Part # 0273003.H Mouser Part # 576-0273003.H	Littelfuse	Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	4,837In Stock	¥1,428.5 ¥1,300.6 ¥1,199.2 ¥1,046.4 View ¥945.1 ¥926.8 ¥887	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: ¥10,176.9 63In Stock	Mfr. Part # 0272.015V Mouser Part # 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	¥10,176.9 ¥8,444.5 ¥8,029.3 ¥6,645.7 View ¥6,147.4 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 .05A MICRO Very Fast Acting 0273.050H Littelfuse 1: ¥1,823.8 4,216In Stock 3,200Expected 1/18/2027	Mfr. Part # 0273.050H Mouser Part # 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 1/18/2027	¥1,823.8 ¥1,513.2 ¥1,396.9 ¥1,157.7 View ¥1,066.4 ¥938.5 ¥898.6	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: ¥10,210.2 712In Stock 500Expected 1/4/2027	Mfr. Part # 0273.031V Mouser Part # 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 1/4/2027	¥10,210.2 ¥8,479.4 ¥7,841.6 ¥6,781.9 View ¥6,185.6 ¥6,051	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: ¥2,464.9 206In Stock	Mfr. Part # 0272.100H Mouser Part # 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	¥2,464.9 ¥2,151 ¥1,971.6 ¥1,702.5 View ¥1,441.7 ¥1,343.7 ¥1,279	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: ¥2,494.8 211In Stock 200Expected 5/10/2027	Mfr. Part # 0272002.H Mouser Part # 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 5/10/2027	¥2,494.8 ¥2,175.9 ¥1,994.9 ¥1,722.5 View ¥1,460 ¥1,360.4 ¥1,293.9	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: ¥2,494.8 890In Stock	Mfr. Part # 0272003.H Mouser Part # 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	¥2,494.8 ¥2,175.9 ¥1,994.9 ¥1,722.5 View ¥1,460 ¥1,360.4 ¥1,293.9	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: ¥3,049.6 420In Stock 915On Order	Mfr. Part # 0273.062V Mouser Part # 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. #: 0273.062V Stock: 420 Can Ship Immediately On Order: 555 Expected 11/5/2026 360 Expected 11/12/2026 Factory Lead-Time: 29 Weeks	¥3,049.6 ¥2,652.6 ¥2,504.8 ¥2,340.3 View ¥2,157.6 ¥1,935.1 ¥1,883.6 ¥1,862 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: ¥1,974.9 317In Stock 1,700Expected 11/26/2026	Mfr. Part # 0273.100H Mouser Part # 576-0273.100H	Littelfuse	Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	317In Stock 1,700Expected 11/26/2026	¥1,974.9 ¥1,777.3 ¥1,671 ¥1,483.3 View ¥1,328.8 ¥1,033.1	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: ¥1,979.9 915In Stock 3,400On Order	Mfr. Part # 0273.125H Mouser Part # 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 3,400On Order On Order Ship Dates Mfr. #: 0273.125H Stock: 915 Can Ship Immediately On Order: 1,400 Expected 2/23/2027 2,000 Expected 3/17/2027 Factory Lead-Time: 29 Weeks	¥1,979.9 ¥1,797.2 ¥1,657.7 ¥1,375.3 View ¥1,230.8 ¥1,111.2 ¥1,063 ¥1,014.9	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: ¥1,803.8 1,155In Stock	Mfr. Part # 0273.250H Mouser Part # 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	¥1,803.8 ¥1,496.6 ¥1,382 ¥1,146.1 View ¥1,054.7 ¥928.5 ¥926.8 Quote	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: ¥3,240.6 596In Stock 230Expected 3/25/2027	Mfr. Part # 0273.600V Mouser Part # 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 3/25/2027	¥3,240.6 ¥2,687.5 ¥2,481.5 ¥2,056.3 View ¥1,895.2 ¥1,893.5 ¥1,679.3	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: ¥1,933.4 318In Stock	Mfr. Part # 0273.750H Mouser Part # 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	¥1,933.4 ¥1,604.5 ¥1,480 ¥1,227.5 View ¥1,129.5 ¥994.9 ¥950.1 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 .005A MICRO Very Fast Acting 0273.005V Littelfuse 1: ¥10,716.8 155In Stock 35Expected 12/21/2026	Mfr. Part # 0273.005V Mouser Part # 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 12/21/2026	¥10,716.8 ¥8,896.3 ¥8,205.3 ¥7,288.5 ¥7,193.8	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: ¥3,250.6 40In Stock	Mfr. Part # 0272.050V Mouser Part # 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	¥3,250.6 ¥2,695.8 ¥2,488.2 ¥2,063 View ¥1,901.8 ¥1,704.2 ¥1,684.3	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: ¥3,182.5 11In Stock	Mfr. Part # 0272.062V Mouser Part # 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	¥3,182.5 ¥2,719.1 ¥2,508.1 ¥2,079.6 View ¥1,916.8 ¥1,833.7	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: ¥2,456.6 129In Stock	Mfr. Part # 027201.5H Mouser Part # 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	¥2,456.6 ¥2,039.7 ¥1,881.9 ¥1,559.7 View ¥1,460 ¥1,425.1	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: ¥3,390.1 5In Stock 55Expected 5/11/2027	Mfr. Part # 0273.200V Mouser Part # 576-0273.200V	Littelfuse	Fuses with Leads - Through Hole 125V .2A MICRO Very Fast Acting Learn More about Littelfuse micro tr3 fuses	Datasheet	5In Stock 55Expected 5/11/2027	¥3,390.1 ¥2,923.4 ¥2,639.3 ¥2,254 View ¥2,076.3 ¥2,074.6 ¥2,054.7 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: ¥1,911.8 173In Stock 2,200On Order	Mfr. Part # 0273001.H Mouser Part # 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. #: 0273001.H Stock: 173 Can Ship Immediately On Order: 300 Expected 11/12/2026 1,900 Expected 12/21/2026 Factory Lead-Time: 29 Weeks	¥1,911.8 ¥1,651 ¥1,480 ¥1,277.3 View ¥1,122.8 ¥1,014.9	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: ¥3,111.1 43In Stock	Mfr. Part # 0273001.V Mouser Part # 576-0273001.V	Littelfuse	Fuses with Leads - Through Hole 125V V/FA MICRO 1A Learn More about Littelfuse micro tr3 fuses	Datasheet	43In Stock	¥3,111.1 ¥2,807.1 ¥2,572.9 ¥2,222.4 View ¥1,871.9 ¥1,754 ¥1,669.3	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: ¥1,890.2 24In Stock 8,000On Order	Mfr. Part # 0273002.H Mouser Part # 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. #: 0273002.H Stock: 24 Can Ship Immediately On Order: 1,800 Expected 11/19/2026 1,300 Expected 12/24/2026 1,900 Expected 12/31/2026 3,000 Expected 1/6/2027 Factory Lead-Time: 29 Weeks	¥1,890.2 ¥1,587.9 ¥1,405.2 ¥1,202.6 View ¥1,064.7 ¥1,014.9	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: ¥3,393.4 5In Stock 25Expected 12/3/2026	Mfr. Part # 0273003.V Mouser Part # 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 12/3/2026	¥3,393.4 ¥2,880.2 ¥2,524.7 ¥2,408.5 ¥2,071.3	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: ¥2,106.1 24In Stock 6,000On Order	Mfr. Part # 0273005.H Mouser Part # 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. #: 0273005.H Stock: 24 Can Ship Immediately On Order: 800 Expected 11/9/2026 700 Expected 12/21/2026 1,100 Expected 12/24/2026 3,400 Expected 12/31/2026 Factory Lead-Time: 29 Weeks	¥2,106.1 ¥1,951.7 ¥1,863.6 ¥1,433.4 View ¥1,230.8 ¥1,146.1	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: ¥3,415 5In Stock 65Expected 12/3/2026	Mfr. Part # 0273005.V Mouser Part # 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 12/3/2026	¥3,415 ¥3,051.3 ¥2,823.7 ¥2,127.7 ¥1,793.9	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: ¥1,717.5 119In Stock	Mfr. Part # 027301.5H Mouser Part # 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	¥1,717.5 ¥1,496.6 ¥1,382 ¥1,144.4 View ¥1,036.5 ¥1,014.9	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