0453.400NR

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LITTELFUSE

SURFACE MOUNT FUSES 125VAC 0.4A .4233OHMS 453 NANO2

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0453.400NR

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LITTELFUSE

SURFACE MOUNT FUSES 125VAC 0.4A .4233OHMS 453 NANO2

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Description Specifications Series Pricing CAD Documents

Description

General part information

453 Series

The Nano2® SMF Fuse is a very small, Wire-in-Air (WIA) square shape surface mount fuse which is very suitable for the secondary side circuit over-current protection applications and is designed for PCB using surface mount technology.

Technical Specifications

Parameters and characteristics for this part

Specification	0453.400NR

Approval Agency	UL, CSA
Breaking Capacity	50 A
Current Rating	400 mA
DC Cold Resistance	0.56 Ohms
Fuse Type	Board Mount (Cartridge Style Excluded)
Melting I²t	0.0484
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 Height	0.106 in
Size / Dimension Length	0.24 in
Size / Dimension Width	0.106 in
Voltage Rating - AC	125 V
Voltage Rating - DC	125 V

453 Series

FUSE 125V V/FA NANO2 RoHS .250A

Part	Voltage Rating - AC	Approval Agency	Package / Case	Melting I²t	Response Time	Fuse Type	Breaking Capacity	Current Rating	Size / Dimension Width	Size / Dimension Length	Size / Dimension Height	Voltage Rating - DC	Mounting Type	Operating Temperature (Max)	Operating Temperature (Min)	DC Cold Resistance
LITTELFUSE 0453.250MR	125 V	CSA UL	2-SMD Square End Block	0.0158	Fast Blow	Board Mount (Cartridge Style Excluded)	50 A	0.25 A	0.106 in	0.24 in	0.106 in	125 V	Surface Mount	125 °C	-55 °C	0.5765 Ohms
LITTELFUSE 0453.630NR	125 V	CSA UL	2-SMD Square End Block	0.143	Fast Blow	Board Mount (Cartridge Style Excluded)	50 A	0.63 A	0.106 in	0.24 in	0.106 in	125 V	Surface Mount	125 °C	-55 °C	0.305 Ohms
LITTELFUSE 0453.400NR	125 V	CSA UL	2-SMD Square End Block	0.0484	Fast Blow	Board Mount (Cartridge Style Excluded)	50 A	400 mA	0.106 in	0.24 in	0.106 in	125 V	Surface Mount	125 °C	-55 °C	0.56 Ohms
LITTELFUSE 0453.315NR	125 V	CSA UL	2-SMD Square End Block	0.0311	Fast Blow	Board Mount (Cartridge Style Excluded)	50 A	0.315 A	0.106 in	0.24 in	0.106 in	125 V	Surface Mount	125 °C	-55 °C	0.3918 Ohms

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Datasheet

0453.400NR | Datasheet

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