Surface Mount Fuses Thin Film > 0603 Size > Very Fast-Acting > 467 Series 467 Series Fuse Description Features • Compatible with leadfree solders and higher temperature profiles. Agency Approvals AGENCY AGENCY FILE NUMBER • High performance materials provide • Mounting pad and improved performance electrical performance is in elevated ambient identical to Littelfuse 431 temperature applications. and 434 Series products. AMPERE RANGE E10480 250MA - 5A LR29862 250MA - 5A • Marked on top surface with code to allow amp rating identification without testing. Electrical Characteristics for Series % of Ampere Rating Opening Time at 25OC 100% 4 hours, Minimum 200% 5 sec., Maximum 300% 0.2 sec., Maximum • Element covering material is resistant to industry standard cleaning operations. • Low profile for height sensitive applications. • Alloy based element construction provides superior inrush withstand characteristics (I2t) over ceramic or glass based 0603 fuse products. • Flat top surface for pickand-place operations. Applications Secondary protection for space constrained applications: • Cell phones • Digital cameras • Battery packs • DVD players • Hard disk drives. Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) 0.250 .250 0.375 .375 0.500 .500 32 0.750 .750 1.00 001. 1.25 Agency Approvals Nom Power Dissipation (W) Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) Nom Voltage Drop (mV) 32 0.5450 0.0030 158.56 0.0396 x x 32 0.2900 0.0053 128.03 0.0480 x x 0.1870 0.0087 115.71 0.0579 x x 32 0.1170 0.0171 107.33 0.0805 x x 32 0.0710 0.0212 89.10 0.0891 x x 1.25 32 0.0530 0.0518 84.32 0.1054 x x 1.50 01.5 32 0.0410 0.0766 81.14 0.1217 x x 1.75 1.75 32 0.0320 0.0903 78.75 0.1378 x x 2.00 002. 32 0.0300 0.1103 78.22 0.1564 x x 2.50 02.5 32 0.0220 0.1440 76.10 0.1903 x x 3.00 003. 32 0.0180 0.2403 75.04 0.2251 x x 3.50 03.5 32 0.0150 0.4306 74.25 0.2599 x x 4.00 004. 32 0.0130 0.5760 73.72 0.2949 x x 5.00 005. 32 0.0090 0.9000 72.71 0.3635 x x 1. Measured at 10% of rated current, 25ºC. © 2009 Littelfuse, Inc. Interrupting Rating 50A @32V AC/DC 35A @32V AC/DC 13A @65V DC 35A @32V AC/DC 2. Measured at rated voltage. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/467.html for current information. 41 Revised: January 10, 2012 467 Series 467 Series The 467 Series Fast-Acting SMF is an ultra small (0603 size) thin-film device designed for secondary protection of circuits used in space constrained applications such as hand-held portable electronic devices. This series is 100% lead-free and meets the requirements of the RoHS directive. New Halogen-Free 467 Series fuses are available–to order use the “HF” suffix. See Part Numbering section for additional information.. Mount Fuses IntroductionSurface to Circuit Protection Thin Film > 0603 Size > Very Fast-ActingTransientology > 467 Series 1.75 A 2.00 A 2.50 A 3.00 A 3.50 A 4.00 A 5.00 A 0.750 A 1.00 A 1.25 A 1.50 A 0.375 A 0.500 A Average Time Current Curves 0.250 A Temperature Rerating Curve 100 TIME IN SECONDS 10 1 0.1 Note: 0.01 1.Derating depicted in this curve is in addition to the standard derating of 25% for continuous operation. Example: For continuous operation at 70 degrees celsius, the fuse should be deratedas follows: 0.001 0.1 I = (0.75)(0.80)IRAT = (0.60)IRAT 2.The temperature derating curve represents the nominal conditions. For questions about temperature derating curve, please consult Littelfuse technical support for assistance. 1 10 CURRENT IN AMPERES 100 Soldering Parameters Reflow Condition - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (Min to Max) (ts) 60 – 180 secs Average ramp up rate (Liquidus Temp (TL) to peak 5°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) 250+0/-5 °C Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds Ramp-down Rate 5°C/second max Time 25°C to peak Temperature (TP) 8 minutes Max. Do not exceed 260°C Wave Soldering 467 Series tP TP Critical Zone TL to TP Ramp-up TL TS(max) Temperature Pre Heat Pb – Free assembly tL Ramp-down TS(min) 25 Preheat tS time to peak temperature (t 25ºC to peak) Time 260°C, 10 seconds max. 42 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/467.html for current information. Surface Mount Fuses Thin Film > 0603 Size > Very Fast-Acting > 467 Series Product Characteristics Operating Temperature Body: Advanced High Temperature Substrate Terminations: 100% Tin over Nickel over Copper Element Cover Coat: Conformal Coating – 55OC to 90OC. Consult temperature rerating curve chart. For operation above 90°C contact Littelfuse. Humidity MIL-STD-202F, Method 103B, Condition D Dimensions Withstands 5 cycles of – 55OC to 125OC Vibration Per MIL-STD-202F Insulation Resistance (After Opening) Greater than 10,000 ohms. Part Marking System 1.60 (.063") .127 (.005") .305 (.012") Sn MARKING CODE VARIES WITH AMPERAGE RATING (SEE CHART) Sn Cu Coating .279 (.011") .18 R (.007") .813 (.032") REF. Sn 1.09 (.043") 1.02 (.040") 3.20 (.126") 1.09 (.043") WAVE SOLDER 2.54 (.100") 1.02 (.040") .762 (.030") 1.09 (.043") REFLOW SOLDER Amp Code Marking Code .250 D .375 E .500 F .750 G 001. H 1.25 J 01.5 K 1.75 L 002. N 02.5 O 003. P 03.5 R 004. S 005. T 467 Series Materials Thermal Shock Part Numbering System 0467002.NRHF SERIES AMP Code The dot is poisitioned before the Packaging Suffix with whole ratings and within the numbering sequence for fractional ratings. Refer to Amp Code column in the Electrical Specifications table. PACKAGING Code Example: 1.5 amp product is 046701.5NRHF (2 amp product shown above). NR = Tape and Reel, 5000 pcs ‘HF’ SUFFIX HALOGEN FREE ITEM Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code 8mm Tape and Reel EIA-481 Rev. D (IEC 60286, part 3) 5000 NR © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/467.html for current information. 43 467 Series