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Series: 437
437 Series - 1206 Size Lead-Free, Halogen Fee, High Temperature Very Fast-Acting Ceramic Fuse
Technology: Fuses


This 100% Lead Free and RoHS compliant 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 Temperature -55°Cto +150°C
  • 100% Lead-Free and RoHS compliant
  • Suitable for both leaded and lead-free reflow / wave soldering


    • Applications
  • Automotive Electronics
  • LCD Displays•Servers
  • Printers•Scanners
  • Data Modems


    • Electrical Characteristics

    Access specifications, certifications, check availability and order parts below:

    Check distributor stock availability by clicking on the [CHECK] link. View certification PDF files by clicking on the certification logo. View the part details by clicking on the part number. To order sample parts, click on the [ADD] link. Click on the 'Key' button to view definitions for each column header. Sort parts by clicking on the column you wish to sort by.


    CatalogNo Certs. Amps (A) VDC (V) VAC (V) Nominal Melting I2T (A2sec) Resistance
    (Ω)    		 IR Stock Sample
    Cart
    0437.250 0.25 125 125 0.003 2.29 50A@125VDC
    50A@125VAC     		[Check] [Add]
    0437.375 0.375 125 125 0.01 1.33 50A@125VDC
    50A@125VAC     		[Check] [Add]
    0437.500 0.5 63 63 0.018 0.908 50A@63VDC
    50A@63VAC     		[Check] [Add]
    0437.750 0.75 63 63 0.064 0.528 50A@63VDC
    50A@63VAC     		[Check] [Add]
    0437001 1 63 63 0.1 0.36 50A@63VDC
    50A@63VAC     		[Check] [Add]
    0437002 2 63 63 0.144 0.058 50A@63VDC
    50A@63VAC     		[Check] [Add]
    0437003 3 32 32 0.4 0.033 50A@32VDC
    50A@32VAC     		[Check] [Add]
    0437004 4 32 32 1.024 0.022 50A@32VDC
    50A@32VAC     		[Check] [Add]
    0437005 5 32 32 1.936 0.016 50A@32VDC
    50A@32VAC     		[Check] [Add]
    0437007 7 32 32 4.9 0.01 50A@32VDC
    50A@32VAC     		[Check] [Add]
    0437008 8 32 32 6.4 0.0084 50A@32VDC
    50A@32VAC     		[Check] [Add]
    043701.5 1.5 63 63 0.324 0.209 50A@63VDC
    50A@63VAC     		[Check] [Add]
    043702.5 2.5 32 32 0.225 0.043 50A@32VDC
    50A@32VAC     		[Check] [Add]
    043703.5 3.5 32 32 0.576 0.027 50A@32VDC
    50A@32VAC     		[Check] [Add]
    04371.25 1.25 63 63 0.196 0.267 50A@63VDC
    50A@63VAC     		[Check] [Add]
    04371.75 1.75 63 63 0.1 0.071 50A@63VDC
    50A@63VAC     		[Check] [Add]