Axial Lead & Cartridge Fuses 3AB 1000VAC / DC High Voltage Fuse 508 Series Lead-Free 3AB Fuse Description A 1000Vac/Vdc rated ceramic fuse with remarkable interrupting rating in a compact 6.3 x 32mm package, which is well suited for circuit protection in high energy applications. Features UÊ Ê>VVÀ`>ViÊ with Underwriter’s Laboratories Standard UL 248-14 UÊ Û>>LiÊÊV>ÀÌÀ`}iÊ and axial lead Agency Approvals Agency Agency File Number Ampere Range Recognised File: E10480 315mA - 1A UÊ -Õ«iÀÀÊÌiÀÀÕ«Ì}Ê rating of 10,000 Amperes UÊ «>VÌÊvÀÊv>VÌÀÊvÊ 6.3 x 32mm UÊ ,-ÊV«>ÌÊ>`Ê Lead-free Applications 315mA - 1A Used as supplementary protection in appliance or ÕÌâ>ÌÊiµÕ«iÌÊÌÊ«ÀÛ`iÊ`Û`Õ>Ê«ÀÌiVÌÊvÀÊ components or internal circuits. Electrical Characteristics Ampere Rating Opening Time {ÊÕÀÃ]ÊÕ 100% 315mA - 1A 135% £ÊÕÀ]Ê>ÝÕ £ÓäÊ-iV`Ã]Ê>ÝÕ 200% Electrical Characteristic Amp Code Amp Rating Voltage Rating .315 0.315 1000 .500 0.5 1000 001 1 1000 Interrupting Rating Agency Approvals Nominal Cold Resistance (mohms) Nominal Melting I2t (A2 sec.) 9200 0.071 x x 3572 0.259 x x 1580 0.449 x x 10kA @ 1000Vac 10kA @ 1000Vdc IÊ£äJÈää6>VÉ`VÊ>ÃÊV1,ÕÃÊ>««ÀÛi`°Ê``ÊÃÕvwÝʺȻ°ÊÝ>«i\Êäxän°Î£x8È*°Ê © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information. 1 Revised: November 3, 2011 508 Series 508 Series % of Ampere Rating Introduction to & Circuit Protection Axial Lead Cartridge Fuses 3AB 1000Vac/dc HighTransientology Voltage Fuse 508001 10000 508.500 Average Time Current Curves 508.315 Temperature Rerating Curve Time (seconds) 1000 100 10 1 0.1 0.01 0.001 0.01 0.1 1 10 100 Amps Soldering Parameters - Wave Soldering Recommended Process Parameters: 280 260 Wave Parameter 240 220 Lead-Free Recommendation Preheat: 200 i«i`ÃÊÊÕÝÊVÌÛ>ÌÊ/i«iÀ>ÌÕÀi® 180 160 140 120 100 80 40 /Þ«V>Ê`ÕÃÌÀÞÊ,iVi`>Ì® ÊÊÊÊ/i«iÀ>ÌÕÀiÊÕ\ 100° ÊÊÊÊ/i«iÀ>ÌÕÀiÊ>ÝÕ\ 150° ÊÊÊÊ*Ài i>ÌÊ/i\ 60-180 seconds Solder Pot Temperature: 260° Ê>ÝÕ Solder Dwell Time: 2-5 seconds 60 240 230 220 210 200 190 180 170 160 150 140 130 120 110 90 100 80 70 60 50 40 30 20 0 0 20 10 Temperature (°C) - Measured on bottom side of board 300 Recommended Hand-Solder Parameters: Time (Seconds) -`iÀÊÀÊ/i«iÀ>ÌÕÀi\ÊÊÎxäcÊ Ê³ÉÊxc i>Ì}Ê/i\ÊÊxÊÃiV`ÃÊ>Ý° Cooling Time Preheat Time Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. Product Characteristics Materials `ÞÊ\Ê iÀ>V >«ÊÊÊ\Ê Viq«>Ìi`ÊLÀ>Ãà i>`ÃÊ\Ê/«>Ìi`Ê ««iÀ Terminal Strength -/ÓäÓ]ÊiÌ `ÊÓ££]Ê /iÃÌÊ `ÌÊ Solderability ,iviÀiViÊ ÊÈä£ÓÇÊ-iV`Ê`ÌÊ 2003-01 Annex A Product Marking >«£Ê\ÊÀ>`Ê}]ÊVÕÀÀiÌÊ>`ÊÛÌ>}iÊ ratings >«ÓÊ\Ê-iÀiÃÊ>`Ê>}iVÞÊ>««ÀÛ>Ê>Àà 508 Series 2 Operating Temperature: qxx¨ ÊÌÊ£Óx¨ ° Thermal Shock: -/ÓäÓ]ÊiÌ `Ê£äÇ]Ê/iÃÌÊ `ÌÊ ÊxÊ ÞViÃÊÈx¨ ÊÌʳ£Óx¨ ®° Vibration -/ÓäÓ]ÊiÌ `ÊÓä£ Humidity -/ÓäÓ]ÊiÌ `Ê£äÎ]Ê/iÃÌÊ `ÌÊ \Ê} ÊÀi>ÌÛiÊ Õ`ÌÞÊx¯®Ê>`ÊiiÛ>Ìi`Ê Ìi«Ê{ä¨ ®ÊvÀÊÓ{äÊ ÕÀà Salt Spray -/ÓäÓ]ÊiÌ `Ê£ä£]Ê/iÃÌÊ `ÌÊ © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information. Axial Lead & Cartridge Fuses 3AB 1000VAC / DC High Voltage Fuse Dimensions Part Numbering System 0508 xxxx M X E P ø 6.3 Series Amp Code 32 Refer to Amp Code column of Electrical Characteristics Table Quantity Code 0.813 (.032") M = 1000 Packaging Code 6.985 (.275") X = Filler 32.72 (1.288") Axial Lead Material: Tin Coated Copper Option Codes 39.68 (1.56") TYP. Standard Length Blank : Cartidage Type Fuse E : Axial Lead Fuse Lead-free 12.70 (0.50”) TYP Short Lead Option Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Reel Size 508 Series É 1000 8 É É 1000 8 É 508 Series Bulk Bulk © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/508.html for current information. 3 508 Series