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Electrical Characteristics for Series % of Ampere Rating Ampere Rating Opening Time Agency Approvals Agency Agency File Number Ampere Range (&1*0,4(',.( Electrical Characteristics Specifications by Item Agency ApprovalsAmp Code 010. 012. 016. 020. 025. 030. Amp Rating (A) Max Voltage Rating (V) 450 450 500 500 500 500 Nominal Cold Resistance (Ohms) 0.0167 0.0117 0.0073 0.0056 0.0048 0.0038 Nominal Melting I2T (A2Sec.) 192 101 145 203 X X X X X X X X X X X X X X Interrupting Rating 20kA@450VAC 1000A@250VDC 50kA@500VAC 20kA@500VDC 30kA@500VAC 20kA@500VDC
Revised: January 20, 2009 Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology 338 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 505 Series
505 Series
Please refer to www.littelfuse.com/series/505.html for current information. 0.001 0.01 0.1 100 1000 10000 1000100101 CURRENT IN AMPERES TIME IN SECONDS 10A 12A 16A 20A 25A 30A Soldering Parameters - Wave Soldering Dwell Time 100 120 140 160 180 200 220 240 260 280 300 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 Time (Seconds) Temperature (°C) - Measured on bottom side of board Cooling TimePreheat Time Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flux Activation Temperature) (Typical Industry Recommendation) Temperature Minimum: 100° C Temperature Maximum: 150° C Preheat Time: 60-180 seconds Solder Pot Temperature: 260° C Maximum Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350° C +/- 5°C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. Recommended Process Parameters: Average Time Current CurvesT emperature Rerating Curve
Revised: January 20, 2009 339© 2009 Littelfuse, Inc. Specifications are subject to change without notice. Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 505 Series Please refer to www.littelfuse.com/series/505.html for current information. M = 1000 Amp Code Refer to Amp Code column of Electrical Characteristics Table Option Codes E : Axial Leaded Others : special options. Please call Littelfuse for detail. Lead-Free Packaging Code X = Filler P Dimensions 6.35 (.25”) 31.75 (1.25”) 505 000P Series 505 000EP Series 32.72 (1.288”) 38.1 (1.50”) TYP . All Dimensions in mm Product Characteristics Operating Temperature –55ºC to +125ºC Thermal Shock MIL -STD-202G, Method 107G, Test Condition B: (5 cycles –65 °C to +125°C) Vibration MIL -STD-202G, Method 201A Humidity MIL -STD-202G, Method 103B, Test Condition A. high RH (95%) and elevated temperature (40 °C) for 240 hours Salt Spray MIL -STD-202G, Method 101D, Test Condition B Material Body: Ceramic Cap: Nickel–plated brass Leads: Tin–plated Copper Terminal Strength MIL -STD-202G, Method 211A, Test Condition A Solderability Reference IEC 60127 Second Edition 2003-01 Annex A Product Marking Cap 1: Brand logo, current and volt- age rating Cap 2: Series and agency approval markings Packaging Available in Bulk (M=1000 pcs/pkg)