02181.25MXEP Littelfuse Inc, 02181.25MXEP Datasheet - Page 2

• Manufacturer Part Number: 02181.25MXEP
• Description: FUSE, AXIAL, 1.25A, 5 X 20MM, SLOW BLOW
• Manufacturer: Littelfuse Inc
• Series: 218XEr

Specifications of 02181.25MXEP

• Voltage Rating Vac: 250V
• Fuse Current: 1.25A
• Breaking Capacity: 35A @ 250VAC
• Fuse Size Metric: 5 X 20mm
• Blow Characteristic: Slow Blow
• Fuse Size: 5 X 20 Mm
• Fuse Type: Slow Blow, Time Lag
• Voltage - Rated: 250VAC
• Current: 1.25A
• Package / Case: Axial, 5x20mm
• Size / Dimension: 0.228" Dia x 0.886" L (5.80mm x 22.50mm)
• Mounting Type: Through Hole
• Operating Temperature: -55°C ~ 125°C
• Dc Cold Resistance: 0.446 Ohm
• Melting I²t: 12.65
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 2181.25XEP

218 Series
Electrical Characteristics
Temperature Rerating Curve
Code
Amp
.032
.040
.050
.063
.080
.200
.250
.400
.500
.630
.800
002.
02.5
3.15
004.
005.
06.3
008.
.100
.125
.160
.315
001.
1.25
01.6
010.
12.5
015.
016.
Rating
0.032
0.063
0.125
0.315
Amp
0.04
0.05
0.08
0.16
0.25
0.63
1.25
3.15
12.5
(A)
0.1
0.2
0.4
0.5
0.8
1.6
2.5
6.3
10
15
16
1
2
4
5
8
Voltage
Rating
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
(V)
100A @ 250Vac
100A @ 250Vac
40A @ 250Vac
50A @ 250Vac
63A @ 250Vac
80A @ 250Vac
63A @ 250Vac
63A @ 250Vac
Interrupting
35A@250Vac
Rating
Introduction to Circuit Protection
Introduction to Circuit Protection
Axial Lead & Cartridge Fuses
Resistance
Nominal
58.4500
35.7000
23.3000
12.6000
(Ohms)
17 .6500
8.9050
4.2000
2.5500
0.8475
0.5350
0.3700
0.2750
0.0446
0.0336
0.0293
0.0059
0.0045
0.0034
0.0028
0.0021
1.6000
1.0495
0.0813
0.0613
0.0219
0.0173
0.0129
0.0104
0.0076
Cold
5×20 mm > Time-Lag > 218 Series
I
Nominal
2
Melting
0.00297
0.00536
0.00692
1405.00
1955.00
t (A
0.0258
0.0482
0.5405
2.8250
4.6750
12.650
23.350
14.450
23.250
38.150
568.00
889.00
0.1465
0.2190
0.3410
1.3250
198.50
341.50
0.0117
1.1100
111.00
3.370
6.730
69.10
2
sec)
Revised: February 19, 2009
Nominal
Voltage
Drop at
Current
Rated
270
(mV)
5000
4000
3000
2000
3500
2500
1900
1500
1300
1000
1100
900
300
250
150
150
150
150
150
120
100
100
100
100
100
100
100
100
100
Transientology
Average Time Current Curves
Dissipation
10000
Nominal
0.001
At Rated
1000
Current
0.01
100
0.1
Power
10
1
(W)
0.01
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
4
4
4
4
4
Please refer to www.littelfuse.com/series/218.html for current information.
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Agency Approvals
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© 2009 Littelfuse, Inc.
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