Circuit Protection

0251010.NAT1L

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LITTELFUSE

FUSE 125V PICO II FA ROHS 10A/ AMMO ROHS COMPLIANT: YES

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DocumentsUK_Doc_251 CSA_1422-01_029862 +4

Circuit Protection

0251010.NAT1L

Active

LITTELFUSE

FUSE 125V PICO II FA ROHS 10A/ AMMO ROHS COMPLIANT: YES

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DocumentsUK_Doc_251 CSA_1422-01_029862 +4

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	0251010.NAT1L

Approval Agency	CSA, TUV, cURus
Breaking Capacity @ Rated Voltage	300 A, 50 A
Current Rating (Amps)	10 A
Fuse Type	Board Mount (Cartridge Style Excluded)
Melting I²t	25.5
Mounting Type	Through Hole
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 C
Package / Case	Axial
Response Time	Fast Blow
Size / Dimension [diameter]	0.125 "
Size / Dimension [diameter]	3.18 mm
Size / Dimension [x]	0.28 in
Size / Dimension [x]	7.1 mm
Voltage Rating - AC	125 V
Voltage Rating - DC	125 VDC

251 Series

FUSE 125V PICO FA RoHS Halogen-Free 5A

Part	Operating Temperature [Min]	Operating Temperature [Max]	Response Time	Voltage Rating - AC	Size / Dimension [x]	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [x]	Mounting Type	Current Rating (Amps)	Breaking Capacity @ Rated Voltage	Approval Agency	Voltage Rating - DC	Fuse Type	Melting I²t	Package / Case	DC Cold Resistance
LITTELFUSE 0251012.VXL	-55 C	125 °C	Fast Blow	32 V	0.28 in	0.125 "	3.18 mm	7.1 mm	Through Hole	12 Amps	50 A 300 A	CSA cURus	32 V	Board Mount (Cartridge Style Excluded)	45.2	Axial
LITTELFUSE 0251.500NAT1L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.11 in	2.8 mm	7.11 mm	Through Hole	0.5 A	50 A 300 A	CCC CSA cURus TUV	125 VDC	Board Mount (Cartridge Style Excluded)	0.0598	Axial	0.302 Ohms
LITTELFUSE 0251012.MAT1L	-55 C	125 °C	Fast Blow	32 V	0.28 in	0.125 "	3.18 mm	7.1 mm	Through Hole	12 Amps	50 A 300 A	CSA cURus	32 V	Board Mount (Cartridge Style Excluded)	45.2	Axial
LITTELFUSE 02513.15NAT1L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.11 in	2.8 mm	7.11 mm	Through Hole	3.15 A	50 A 300 A	CSA cURus	125 VDC	Board Mount (Cartridge Style Excluded)		Axial
LITTELFUSE 025103.5NAT1L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.11 in	2.8 mm	7.11 mm	Through Hole	3.5 A	50 A 300 A	CSA cURus PSE TUV	125 VDC	Board Mount (Cartridge Style Excluded)	1.58	Axial
LITTELFUSE 0251004.HAT1L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.11 in	2.8 mm	7.11 mm	Through Hole	4 A	50 A 300 A	CCC CSA cURus PSE TUV	125 VDC	Board Mount (Cartridge Style Excluded)	2.45	Axial
LITTELFUSE 0251010.NAT1L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.125 "	3.18 mm	7.1 mm	Through Hole	10 A	50 A 300 A	CSA cURus TUV	125 VDC	Board Mount (Cartridge Style Excluded)	25.5	Axial
LITTELFUSE 0251004.NAT6L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.11 in	2.8 mm	7.11 mm	Through Hole	4 A	50 A 300 A	CCC CSA cURus PSE TUV	125 VDC	Board Mount (Cartridge Style Excluded)	2.45	Axial
LITTELFUSE 0251.062PAT1L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.11 in	2.8 mm	7.11 mm	Through Hole	62 mA	50 A 300 A	CSA cURus	125 VDC	Board Mount (Cartridge Style Excluded)	0.000113	Axial
LITTELFUSE 0251.750NRT1L	-55 C	125 °C	Fast Blow	125 V	0.28 in	0.11 in	2.8 mm	7.11 mm	Through Hole	750 mA	50 A 300 A	CSA cURus TUV	125 VDC	Board Mount (Cartridge Style Excluded)	0.153 I²t	Axial

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	0	$ 0.42
Mouser	N/A	5000	$ 0.44
Newark	Each	1	$ 1.21
		10	$ 0.94
		25	$ 0.85
		50	$ 0.78
		100	$ 0.69
		500	$ 0.60
		1000	$ 0.52
		2500	$ 0.48

Description

General part information

251 Series

The PICO® II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package.

Documents

Technical documentation and resources

Datasheet

CE_Doc_251

Agency Approvals

Circuit Protection Technology Application Matrix

Technical Document

0251010.NAT1L

Deep-Dive with AI

0251010.NAT1L

Deep-Dive with AI

Technical Specifications

251 Series

Pricing

Description

251 Series

Documents

UK_Doc_251

CSA_1422-01_029862

TUV_J50158379

Datasheet

CE_Doc_251

Circuit Protection Technology Application Matrix

251 Series