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Pico II 251, 253 Series
Circuit Protection

0251.500NAT1L

Active
LITTELFUSE

FUSE, PCB LEADED, 500 MA, 125 V, PICO II 251 SERIES, 125 V, VERY FAST ACTING, AXIAL LEADED

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Pico II 251, 253 Series
Circuit Protection

0251.500NAT1L

Active
LITTELFUSE

FUSE, PCB LEADED, 500 MA, 125 V, PICO II 251 SERIES, 125 V, VERY FAST ACTING, AXIAL LEADED

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Technical Specifications

Parameters and characteristics for this part

Specification0251.500NAT1L
Approval AgencyTUV, CCC, CSA, cURus
Breaking Capacity @ Rated Voltage300 A, 50 A
Current Rating (Amps)0.5 A
DC Cold Resistance0.302 Ohms
Fuse TypeBoard Mount (Cartridge Style Excluded)
Melting I²t0.0598
Mounting TypeThrough Hole
Operating Temperature [Max]125 °C
Operating Temperature [Min]-55 C
Package / CaseAxial
Response TimeFast Blow
Size / Dimension [diameter]2.8 mm
Size / Dimension [diameter]0.11 in
Size / Dimension [x]7.11 mm
Size / Dimension [x]0.28 in
Voltage Rating - AC125 V
Voltage Rating - DC125 VDC

251 Series

FUSE 125V PICO FA RoHS Halogen-Free 5A

PartOperating Temperature [Min]Operating Temperature [Max]Response TimeVoltage Rating - ACSize / Dimension [x]Size / Dimension [diameter]Size / Dimension [diameter]Size / Dimension [x]Mounting TypeCurrent Rating (Amps)Breaking Capacity @ Rated VoltageApproval AgencyVoltage Rating - DCFuse TypeMelting I²tPackage / CaseDC Cold Resistance
0251012.VXL
LITTELFUSE
-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
Pico II 251, 253 Series
LITTELFUSE
-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
Fuse 251 253 Hi_Res
LITTELFUSE
-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
Pico II 251, 253 Series
LITTELFUSE
-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
025103.5NAT1L
LITTELFUSE
-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 025101.5HAT1L
LITTELFUSE
-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
Fuse 251 253 Hi_Res
LITTELFUSE
-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
0251004.NAT6L
LITTELFUSE
-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
0251.062PAT1L
LITTELFUSE
-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
0251.750NRT1L
LITTELFUSE
-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

DistributorPackageQuantity$
DigikeyCut Tape (CT) 1$ 1.08
5$ 0.89
10$ 0.82
50$ 0.68
100$ 0.63
250$ 0.57
500$ 0.52
1000$ 0.48
N/A 3670$ 1.33
Tape & Box (TB) 5000$ 0.42
MouserN/A 1$ 1.01
5$ 0.87
10$ 0.81
50$ 0.68
100$ 0.61
250$ 0.57
500$ 0.52
1000$ 0.48
2500$ 0.42
5000$ 0.42
NewarkEach 10$ 0.81
25$ 0.74
50$ 0.67
100$ 0.62
500$ 0.51
1000$ 0.47

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.