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Thin Film Chip Fuse

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0438 Series Fast-Acting SMF
0438 Series Fast-Acting SMF Littelfuse0438
  • Brand: Littelfuse
  • Classification: SMD Fuse
  • Voltage: 63V/32V/24V
  • Current: 0.25A-6A
  • Introduction The 438 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series.

Detailed

Detail specification

Description:
 The 438 Series is a 100% Lead-free, RoHS compliant and Halogen-free fuse series designed specifically to provide over-current protection to circuits that operate under high working ambient temperature up to 150ºC.
 The general design ensures excellent temperature stability and performance reliability.
 The high I²t values which is typical in the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.

 

Features:

• Operating Temperature from -55ºC to +150ºC

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

• 100% Lead-free, RoHS compliant and Halogenfree

 

Applications:

• Handheld Electronics

• Hard Disk Drives

• LCD Displays

• SD Memory Cards

• Battery Packs

 

 

Ampere Rating(A)
 
Amp Code
Max Voltage Rating(V)
Interruping Rating
Nominal Resistance(Ohms)²
Nominal Melting I²t(A²sec)³
Nominal Voltage Drop At Rated Current(V)4
Nominal Power Dissipation At Rated Current(W)
Agency
Approvals
 
 
0.25 .250 63VDC 50A @63VDC 50A @32VAC
 
 
2.218
0.0017
0.550
0.138
×
×
0.375
.375
63VDC
1.247
0.0041
0.488
0.183
×
×
0.5
.500
63VDC
0.829
0.0100
0.486
0.243
×
×
0.75
.750
63VDC
0.466
0.0281
0.378
0.284
×
×
1
001.
63VDC
0.310
0.0593
0.351
0.351
×
×
1.25
1.25
63VDC
0.200
0.0510
0.365
0.456
×
×
1.5
01.5
63VDC
0.174
0.0902
0.368
0.552
×
×
1.75
1.75
63VDC
1.405
0.1440
0.360
0.540
×
×
2
002.
32
50A @32VDC/12VAC
0.051
0.1490
0.107
0.214
×
×
2.5
02.5
32
0.0324
0.1977
0.095
0.238
×
×
3
003.
32
0.0255
0.2922
0.093
0.279
×
×
3.5
03.5
32
0.0205
0.4752
0.082
0.287
×
×
4
004.
32
0.0170
0.6920
0.079
0.316
×
×
5
005.
32
0.0115
0.7398
0.074
0.370
×
×
6
006.
24
50A @24VDC/12VAC
0.0085
1.3838
0.072
0.430
×
×
 

 

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Resettable fuse _ DIP resettable fuse _ SMD resettable fuse _ PPTC _ Fuse