02511.25MRT1L Littelfuse Inc, 02511.25MRT1L Datasheet - Page 2
![FUSE PICO FAST 1.25A 125V AXIAL](/photos/1/21/12166/pico_ii_r251_series_sml.jpg)
02511.25MRT1L
Manufacturer Part Number
02511.25MRT1L
Description
FUSE PICO FAST 1.25A 125V AXIAL
Manufacturer
Littelfuse Inc
Series
PICO® II 251r
Specifications of 02511.25MRT1L
Fuse Type
Fast Acting
Voltage - Rated
125VAC, 125VDC
Current
1.25A
Package / Case
Axial
Size / Dimension
0.110" Dia x 0.280" L (2.80mm x 7.11mm)
Mounting Type
Through Hole
Operating Temperature
-55°C ~ 125°C
Dc Cold Resistance
0.1 Ohm
Melting I²t
0.39
Voltage Rating Vac
125V
Voltage Rating Vdc
125V
Fuse Current
1.25A
Breaking Capacity
50A @ 125VAC / 300A @ 125VDC
Fuse Mounting
Through Hole
Fuse Case Style
Axial Leaded
Current Rating
1.25 Amps
Voltage Rating
125 Volts
Fuse Size / Group
Pico II
Termination Style
Axial
Body Material
Epoxy Coated Cement
Dimensions
7.11 mm L x 2.8 mm D
Product
Axial Lead and Cartridge Fuses
Interrupt Rating
50 Amps at 125 VoltsAC / 300 Amps at 125 VoltsDC
Mounting Style
Through Hole
Operating Temperature Range
- 55 C to + 125 C
Resistance
0.1 Ohms
Lead Free Status / RoHS Status
Lead free by exemption / RoHS Compliant
Color
-
Lead Free Status / Rohs Status
Details
Other names
R2511.25T1L
Note:
251/253 Series
Ampere
Rating
Electrical Specifications by Item
.062
.250
.375
.500
.630
.750
2.00
2.50
3.00
3.50
4.00
5.00
10.0
12.0
15.0
.125
1.00
1.25
1.50
7 .00
(A)
P = Pending
Code
Amp
.062
.125
.250
.375
.500
.630
.750
002.
02.5
003.
03.5
004.
005.
012.
015.
001.
1.25
01.5
007 .
010.
Ordering
Number
251002.
251003.
25103.5
251004.
251005.
251.062
251.125
251.250
251.375
251.500
251.630
251.750
25102.5
251010.
251012.
251015.
251001.
2511.25
25101.5
251007 .
(Std.)
Ordering
Number
253.062
253.250
253.375
253.500
253.750
253002.
253003.
253004.
253005.
253.125
253007 .
253010.
253015.
253001.
25301.5
(Mil.)
Introduction to Circuit Protection
Introduction to Circuit Protection
PICO
Voltage
Rating
Axial Lead & Cartridge Fuses
Max
®
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
(V)
32
32
ll > Very Fast-Acting > 251/253 Series
300 A @ rated
100 A @ rated
For CCC 10A:
50 A @ rated
70 A @ rated
Interrupting
For CCC 7A:
Rating
Resistance
Nominal
0.00705
0.00446
(Ohms)
0.0823
0.0473
0.0360
0.0290
0.0240
0.0204
0.0055
0.0155
0.0105
1.700
0.665
0.395
0.280
0.205
0.175
0.128
0.100
7 .000
Cold
200
Transientology
I
Nominal
2
Melting
0.000113
t (A
0.00174
0.0296
0.0598
0.0116
0.094
0.153
0.256
0.390
0.587
0.405
0.721
25.5
45.2
68.8
10.4
2.45
4.14
1.19
1.58
2
sec)
Voltage
0.1205
0.0878
0.2165
0.285
0.215
0.188
0.194
0.141
0.132
0.131
0.102
0.071
Nom
Drop
0.176
0.114
0.24
0.21
0.11
0.1
0.2
1.4
(V)
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Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/251.html
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PS
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or /253.html for current information.
TUV
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© 2009 Littelfuse, Inc.
QPL
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