Specification	0451.080MRL

Approval Agency	CSA, UL
Breaking Capacity @ Rated Voltage	50 A
Current Rating (Amps)	80 mA
Fuse Type	Board Mount (Cartridge Style Excluded)
Melting I²t	0.00033
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 C
Package / Case	2-SMD, Square End Block
Response Time	Fast Blow
Size / Dimension [x]	0.24 "
Size / Dimension [x]	6.1 mm
Size / Dimension [y]	0.106 in
Size / Dimension [y]	2.69 mm
Size / Dimension [z]	0.106 in
Size / Dimension [z]	2.69 mm
Voltage Rating - AC	125 V
Voltage Rating - DC	125 VDC

451 Series

FUSE 125V V/FA NANO2 W/Au CAPS RoHS.125A

Part	DC Cold Resistance	Voltage Rating - AC	Package / Case	Fuse Type	Breaking Capacity @ Rated Voltage	Current Rating (Amps)	Response Time	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [z]	Operating Temperature [Min]	Operating Temperature [Max]	Mounting Type	Approval Agency	Voltage Rating - DC	Melting I²t
LITTELFUSE 0451004.MRSN	0.016 Ohms	125 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	4 A	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA METI UR
LITTELFUSE 045101.5MRL	0.063 Ohms	125 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	1.5 A	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA PSE UL	125 VDC	0.853
LITTELFUSE 0451.500MRL		125 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	0.5 A	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA UL	125 VDC	0.0795
LITTELFUSE 0451003.NRL	0.0227 Ohms	125 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	3 A	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA PSE UL	125 VDC	1.65 I²t
LITTELFUSE 0451015.MRL	0.0037 Ohms	65 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	15 A	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA UL	65 VDC	97.82
LITTELFUSE 0451.080MRL		125 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	80 mA	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA UL	125 VDC	0.00033
LITTELFUSE 045102.5MRL	0.0286 Ohms	125 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	2.5 A	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA PSE UL	125 VDC	1.029
LITTELFUSE 0451.125MRL	1.7 Ohms	125 V	2-SMD Square End Block	Board Mount (Cartridge Style Excluded)	50 A	0.125 Amps	Fast Blow	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	-55 C	125 °C	Surface Mount	CSA UL	125 VDC	0.00286

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	1927	$ 5.50
Mouser	N/A	1	$ 4.19
		5	$ 3.59
		10	$ 3.31
		50	$ 2.75
		100	$ 2.51
		250	$ 2.28
		500	$ 2.10
		1000	$ 1.93
Newark	Each (Supplied on Full Reel)	1	$ 2.56
		2000	$ 2.44
		4000	$ 2.27
		8000	$ 2.11
		12000	$ 2.04
		20000	$ 2.01

Description

General part information

451 Series

The Nano2 SMF Fuse is a very small, square surface mount fuse that is also available in a surface mount holder.

Documents

Technical documentation and resources

0451.080MRL

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0451.080MRL

Deep-Dive with AI

Technical Specifications

451 Series

Pricing

Description

451 Series

Documents

0451.080MRL | Datasheet

CSA_1422-01_029862

Fuseholder Selection Guide

Product Change Notice EN

451 Series