Circuit Protection

0451.630NRL

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FUSE 125V V/FA NANO2 W/AU CAPS ROHS.630A/ TR ROHS COMPLIANT: YES

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Circuit Protection

Active

FUSE 125V V/FA NANO2 W/AU CAPS ROHS.630A/ TR ROHS COMPLIANT: YES

Technical Specifications

Parameters and characteristics for this part

Specification	0451.630NRL

Approval Agency	CSA, UL
Breaking Capacity @ Rated Voltage	50 A
Current Rating (Amps)	0.63 A
DC Cold Resistance	0.305 Ohms
Fuse Type	Board Mount (Cartridge Style Excluded)
Melting I²t	0.143
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

FUSE 125V V/FA NANO2 W/Au CAPS RoHS.630A

Part	DC Cold Resistance	Breaking Capacity @ Rated Voltage	Current Rating (Amps)	Mounting Type	Voltage Rating - AC	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Voltage Rating - DC	Approval Agency	Fuse Type	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [z]	Response Time	Melting I²t
LITTELFUSE 0451.630NRL	0.305 Ohms	50 A	0.63 A	Surface Mount	125 V	-55 C	125 °C	2-SMD Square End Block	125 VDC	CSA UL	Board Mount (Cartridge Style Excluded)	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	Fast Blow	0.143
LITTELFUSE 0451.630MRL		50 A	0.63 A	Surface Mount	125 V	-55 C	125 °C	2-SMD Square End Block	125 VDC	CSA UL	Board Mount (Cartridge Style Excluded)	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	Fast Blow	0.143
LITTELFUSE 0451.630MR		50 A	0.63 A	Surface Mount	125 V	-55 C	125 °C	2-SMD Square End Block	125 VDC	CSA UL	Board Mount (Cartridge Style Excluded)	0.106 in	2.69 mm	0.24 "	6.1 mm	0.106 in	2.69 mm	Fast Blow	0.143

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

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 0.65
	Tape & Reel (TR)	5000	$ 0.59
Newark	Each (Supplied on Full Reel)	4000	$ 0.64
		6000	$ 0.61
		10000	$ 0.60

General part information

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

Technical documentation and resources