0466002.NRHF

Surface Mount Fuses Thin Film > 1206 Size > Very Fast-Acting > 466 Series 466 Series Fuse Description The 466 Series Fast-Acting Surface Mount Fuse (SMF) is a small (1206 size) thin-film device designed for secondary protection of circuits used in space constrained applications such as hand-held portable electronic devices. Features Agency Approvals AGENCY AGENCY FILE NUMBER AMPERE RANGE E10480 125mA - 5A LR29862 125mA - 5A Opening Time at 25OC 100% 4 hours, Minimum 200% 5 sec., Maximum 300% 0.2 sec., Maximum t
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DBNFSBT Electrical Specifications by Item Ampere Rating (A) 0.125 0.200 0.250 0.375 0.500 0.750 1.00 1.25 1.50 1.75 2.00 2.50 3.00 4.00 5.00 Amp Code .125 .200 .250 .375 .500 .750 001. 1.25 01.5 1.75 002. 02.5 003. 004. 005. Max Nominal Cold Interrupting Voltage Rating Resistance Rating (V) (Ohms) 125 4.000 125 1.160 50A @125 V AC/ DC 125 0.710 125 0.350 63 0.248 63 0.111 63 0.076 50A @63 V AC/DC 63  63 0.048 63  63 0.031 32 0.024 32 0.020 50A @32 V AC/DC 32 0.014 32 0.011 Nominal Melting I2t (A2sec) 0.00040 0.00055 0.0010 0.0028 0.0060 0.0276 0.0423 0.0640 0.1103 0.1323 0.2326 0.3516 0.5760 1.024 1.600 Nom Nom Power Agency Approvals Voltage Drop Dissipation (mV) (W) 552.66  x x 254.28  x x 207.01 0.0518 x x  0.0634 x x 158.47  x x  0.0740 x x   x x 85.71 0.1071 x x  0.1244 x x 80.73 0.1413 x x 78.73 0.1575 x x   x x  0.2280 x x 74.50  x x 73.75 0.3688 x x 1. Measured at 10% of rated current, 25ºC. 2. Measured at rated voltage. © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/466.html for current information. 29 Revised: July 7, 2009 466 Series 466 Series This series is 100% lead-free and meets the requirements of the RoHS directive. New Halogen-Free 466 Series fuses are available to order using the “HF” suffix. See Part Numbering section for additional information. Mount Fuses IntroductionSurface to Circuit Protection Thin Film > 1206 Size > Very Fast-ActingTransientology > 466 Series 2A 2 1/2A 3A 4A 5A 1 1/4A 1 1/2A 1 3/4A 1A 3/4A 1/2A 3/8A 1/4A Average Time Current Curves 1/8A Temperature Rerating Curve 100 TIME IN SECONDS 10 1 0.1 Note: 0.01 1. Rerating depicted in this curve is in addition to the standard rerating of 25% for continuous operation. &YBNQMF For continuous operation at 70 degrees celsius, the fuse should be rerated as follows: 0.001 I = (0.75)(0.80)IRAT = (0.60)IRAT 0.1 1 10 100 CURRENT IN AMPERES Soldering Parameters Pre Heat Pb – free assembly - 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) 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 466 Series tP TP Critical Zone TL to TP Ramp-up TL TS(max) Temperature Reflow Condition tL Ramp-down TS(min) Preheat tS 25 time to peak temperature (t 25ºC to peak) Time 260°C, 10 seconds max. 30 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/466.html for current information. Surface Mount Fuses Thin Film > 1206 Size > Very Fast-Acting > 466 Series Product Characteristics Operating Temperature – 55 $
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Condition D Part Marking System Dimensions MARKING CODE VARIES WITH AMPERAGE RATING (SEE CHART) 0.660 ± 0.127 (0.026" ± 0.005") Sn 0.584 ± 0.076 (0.023" ± 0.003") 0.559 ± 0.127 (0.022" ± 0.005") 3.175 ± 0.127 (0.125" ± 0.005") Cu Coating Amp Code Marking Code .125 B .200 C .250 D .375 E .500 F .750 G 001. H 1.25 J 01.5 K 466 Series Materials Body: Advanced High Temperature Substrate Terminations:

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Copper Element Cover Coat: Conformal Coating Sn Sn 1.524 ± 0.127 (0.060" ± 0.005") 3.175 ± 0.127 (0.125" ± 0.005") 1.65 (.065") 1.52 (.060") 4.83 (.190") 1.52 (.060") 3.81 (.150") 1.75 L 002. N 02.5 O 003. P 004. S 005. T 1.14 (.045") 2.03 (.080") 2.03 (.080") WAVE SOLDER Part Numbering System REFLOW SOLDER 0466002.NRHF SERIES AMP Code Refer to Amp Code column in the &MFDUSJDBM
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 5000 NR © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/466.html for current information. 31 466 Series