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0437 Series Fast-Acting SMF

This 100% Lead-free, RoHS compliant and Halogen-free fuse series.

  • Brand： Littelfuse
  • Classification： SMD Fuse
  • Voltage： 32V-125V
  • Current： 0.25A-8A
Description:
　This 100% Lead-free, RoHS compliant and Halogen-free fuse series has been designed specifically to provide over current protection to circuits that see high working ambient temperatures (up to 150oC).
　The general design ensures excellent temperature stability and performance reliability.
　In addition to this, the high I2t values typical of the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.


Features:

? Operating Temperaturefrom -55oC to +150oC

? Suitable for both leaded and lead-free reflow / wave soldering

? 100% Lead-free, HalogenFree and RoHS compliant



Applications:

? LCD Displays

? Scanners

? Servers

? Data Modems

? Printers



Ampere Rating
(A)
Amp Code
Max Voltage Rating
(V)
Interruping Rating
Nominal Resistance
(Ohms)
Nominal Melting I2t
(A2sec)
Nominal Voltage Drop At Rated Current
（V）
Nominal Power Dissipation At Rated Current
（W）
0.25
.25012550A @125V AC/DC
2.290
0.003
0.78
0.195
0.375
.375
125
1.330
0.010
0.60
0.225
0.50
.500
63
50A @63V AC/DC
0.908
0.018
0.52
0.260
0.75
.750
63
0.665
0.064
0.45
0.338
1.0
001.
63
0.420
0.100
0.41
0.410
1.25
1.25
63
0.318
0.256
0.40
0.500
1.5
01.5
63
0.209
0.324
0.39
0.585
1.75
1.75
63
0.071
0.075
0.27
0.473
2.0
002.
63
0.058
0.225
0.20
0.400
2.5
02.5
32
50A @32VAC/35VDC
0.043
0.441
0.15
0.375
3.0
003.
32
0.033
0.506
0.14
0.420
3.5
03.5
32
0.027
0.777
0.13
0.455
4.0
004.
32
0.022
1.024
0.13
0.520
5.0
005.
32
0.0159
2.30
0.13
0.650
7.0
007.
32
0.0100
5.02
0.13
0.910
8.0
008.
32
0.008
7.23
0.13
1.040


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