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Document overview
- Manufacturer or author: Provided By digicamel.com
- PDF pages: 3
Technical content
Features
Electrical Characteristics
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Applications
(A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) Nom Voltage Drop (mV) Agency Approvals PS E 0.375 .375 125 50 amperes at 125 VDC/ VAC 1.7400 0.085 0.840 XX t'MBUoQBOFM%JTQMBZ57 t-$%NPOJUPS t-JHIUJOHTZ TUFN t.FEJDBMFRVJQNFOU t*OEVTUSJBMFRVJQNFOU PS E Revised: April 24, 2011
Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology © 2012 Littelfuse, Inc. Specifications are subject to change without notice. Axial Lead & Cartridge Fuses
473 Series
Please refer to www.littelfuse.com/series/473.html for current information. PICO® ll > Slo-Blo® > 473 Series Average Time Current Curves 1000 100 0.1 0.01 10001001010.1 .375A .50A .75A 1.0A 1.5A 2.0A 2.5A 3.0A 3.5A 4.0A 5.0A 7.0A TIME IN SECONDS CURRENT IN AMPERES T emperature Rerating Curve Soldering Parameters Wave Parameter Lead-Free Recommendation Preheat: %FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO 5FNQFSBUVSF.JOJNVN 100° C 5FNQFSBUVSF.BYJNVN 150° C 1SFIFBU5JNF 60-180 seconds Solder Pot Temperature: 260° $.BYJNVN Solder Dwell Time: 2-5 seconds Recommended Hand-Solder Parameters: 4PMEFS*SPO5FNQFSBUVSF¡$ )FBUJOH5JNFTFDPOETNBY Note: These devices are not recommended for IR or Convection Reflow process. Recommended Process Parameters: /PUF %FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSEEFSBUJOHPGGPS continuous operation.
© 2012 Littelfuse, Inc. Specifications are subject to change without notice. Axial Lead & Cartridge Fuses Please refer to www.littelfuse.com/series/473.html for current information. PICO® ll > Slo-Blo® > 473 Series &ODBQTVMBUFE &QPYZ$PBUFE#PEZ Solder Coated Copper wire leads; 3P)4DPNQMJBOU1SPEVDU1VSF5JODPBUFE Copper wire leads Solderability .*-45% .FUIPE Lead Pull Force .*-45% .FUIPE 5FTU$POEJUJPO " XJMMXJUITUBOEMCTBYJBMQVMMUFTU Operating Temperature o º$UP Shock .*-45% .FUIPE 5FTU$POEJUJPO * (TQFBLGPSNJMMJTFDPOET Product Characteristics Vibration .*-45% .FUIPE o .*-45% .FUIPE 5FTU $POEJUJPO$ o)[BU(T 1FBL Salt Spray .*-45% .FUIPE 5FTU Condition B Insulation Resistance (After Opening): .*-45% .FUIPE PINTNJOJNVNBUWPMUT Resistance to Soldering Heat .*-45% .FUIPE 5FTU $POEJUJPO$ TFDBU$ Thermal Shock .*-45% .FUIPE 5FTU Moisture Resistance .*-45% .FUIPE o )FBU $ FL 1 A FL 1 A 27.78 (1.094") 27.78 62.7 (2.468") 52.4 (2.062")* 473 series markings 0.64 (.025") 6.35 (.25") tape tape 3.43 (.135") MAX Dimensions Part Numbering System 0473 xxxx Y R T1 L RoHS + HF Lead Length Type of Packaging Quantity Current Rating Series R = Reel A = Ammo Pack X = Loose Pack Y = 4000 P = 2000 M = 1000 Refer to Amp Code column of Electrical Characteristics Table Packaging Packaging Option Packaging Specification Quantity & Packaging Code 5NN 5BQFBOE3FFM EIA 296 1MFBTFSFG FSUPBWBJMBCMFRVBOUJUJFT BCPWFJO1BSU/VNCFSJOH4ZTUFNw /PUFT 5EJNFOTJPOJTEFmOFEBTUIFMFOHUIPGUIFDPNQPOFOUCFUXFFOUIFUXPUBQFT5IFGVMMDPNQPOFOUMFOHUIJTNN