0469001.WR LITTELFUSE

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 4

Technical content

Features

Electrical Characteristics for Series t 0QFSBUJOH5FNQFSBUVSF from -55ºC to +150ºC t -FBEGSFF 3P)4 compliant and Halogen- free t 4VJUBCMFGPSCPUIMFBEFE and lead-free reflow / wave soldering % of Ampere Rating Ampere Rating Opening Time at 25ºC 100% 1A – 8A 4 hours, Minimum 200% 1A – 8A 1 sec., Min.; 120 secs., Max.

Applications

(A) Amp Code Max. Voltage Rating (V) Interrupting 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 10 0 1 . 6 3

50 A @ 63 V DC

$0.*/(400/ pending pending 1 .25 1 .25 63 pending pending 1. 5 01. 5 6 3 x pending 2 002. 63 x pending 2.5 02.5 32

50 A @ 32 V DC

3 003. 32 x pending 3.5 03.5 32 x pending 6 006. 24

60 A @ 24 V DC

0.028 9.410 0.27 4 1 .640 x pending Electrical Specifications by Item /PUFT 1 . AC Interrupting Rating tested at rated voltage with unity power factor. DC Interrupting Rating tested at rated voltage with time constant < 0.8 msec. /PNJOBM3FTJTUBODFNFBTVSFEXJUI SBUFEDVSSFOU /PNJOBM.FMUJOH*¤UNFBTVSFEBUNTFDPQFOJOHUJNF /PNJOBM7PMUBHF%SPQNFBTVSFEBUSBUFEDVSSFOUBGUFSUFNQFSBUVSFIBTTUBCJMJ[FE t "VUPNPUJWF&MFDUSPOJDT t -$%%JTQMBZT t 4FSWFST t /PUFCPPL$PNQVUFST t 1SJOUFST t 4DBOOFST t %BUB.PEFNT t (BNJOH$POTPMFT Devices designed to carry rated current for 4 hours minimum. It is recommended that devices be operated continuously at no more than 80% rated current. See “Temperature Rerating Curve”for additional rerating information. Devices designed to be mounted with marking code facing up. Revised: January 27, 2010

Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information. Surface Mount Fuses

469 Series

Ceramic Fuse > 469 Series Average Time Current Curves 0.001 0.01 0.1 100 1 10 100 1000 TIME IN SECONDS CURRENT IN AMPERES 6A 7A 8A Reflow Condition 1CoGSFFBTTFNCMZ Pre Heat - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (Min to Max) (ts) 60 – 180 seconds Average Ramp-up Rate (Liquidus Temp (TL) to peak) 3°C/second max. TS(max) to TL - Ramp-up Rate 5°C/second max. Reflow - Temperature (TL) (Liquidus) 217°C - Temperature (tL) 60 – 150 seconds Peak Temperature (TP) 260+0/-5 °C Time within 5°C of actual peak Temperature (tp) 10 – 30 seconds Ramp-down Rate 6°C/second max. Time 25°C to peak Temperature (TP) 8 minutes max. Do not exceed 260°C Soldering Parameters T emperature Rerating Curve 100 120 140 -65 -45 -25 -5 15 35 55 75 95 115 135 155 TEMPERATURE (°C) PERCENT OF RATING Time Temperature TP TL TS(max) TS(min) tP tL tS time to peak temperature (t 25ºC to peak) Ramp-down Ramp-up Preheat Critical Zone TL to TP &YBNQMF 'PSDPOUJOVPVTPQFSBUJPOBUEFHSFFTDFMTJVT UIFGVTFTIPVMECFSFSBUFEBTGPMMPXT I = (0.80)(0.85)I RAT = (0.68)IRAT /PUF 1 . Rerating depicted in this curve is in addition to the standard rerating of 20% for continuous operation. Wave Soldering 260°C, 10 seconds max.

© 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information. Surface Mount Fuses Ceramic Fuse > 469 Series Body: Advanced Ceramic T erminations: "H/J4O -FBEGSFF Element Cover Coating: -FBEGSFF(MBTT Moisture Sensitivity Level *1$+&%&$+45%$ -FWFM $POEJUJPO# Humidity T est .*-45% .FUIPE# $POEJUJPOT% ESD Immunity *&$ L7%JSFDU Resistance to Solder Heat .*-45% .FUIPE' $POEJUJPO# Product Characteristics Moisture Resistance .*-45% .FUIPE( Thermal Shock .*-45% .FUIPE( $POEJUJPO# Mechanical Shock .*-45% .FUIPE# Condition A Vibration MIL -STD-202, Method 201A Vibration, High Frequency MIL -STD-202, Method 204D, Condition D Dissolution of Metallization Condition D T erminal Strength *&$ Dimensions X 1.500 [0.059] 1.800 [0.071] 3.500 [0.138] 1 .000 [0.039] 3.27 + 0.12/-0.25 [0.039 ± 0.008 1.63 + 0.1/-0.2 0.900 ± 0.150 [0.035 ± 0.006] 0.520 ± 0.200 [0.020 ± 0.008] Packaging Part Marking System Packaging Option Packaging Specification Quantity Quantity & Packaging Code QBSU 3000 WR Part Numbering System 0469 008. W R SERIES AMP CODE QUANTITY CODE PACKING CODE W = 3000 pcs 3FFM1BDL Amp Code Marking Code 001 . H 1 .25 J 01.5 K 002. N 02.5 O 003. P 03.5 R 004. S 005. T 006. U 007 . W 008. X

Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/469.html for current information.