Surface Mount Fuses Thin Film > 1206 Size > Very Fast-Acting > 466 Series 466 Series 1206 Fast-Acting Fuse RoHS Pb 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. 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. Features • Product is compatible • Element-covering material Agency Approvals with lead-free solders is resistant to industry and higher temperature standard cleaning AGENCY AGENCY FILE NUMBER AMPERE RANGE profiles operations E10480 0.125A - 5A • Product is marked on • Lead-free, Halogen-free top surface with code to and RoHS compliant 29862 0.125A - 5A allow amperage rating identification without testing Electrical Characteristics for Series • Low profile for height sensitive applications % of Ampere Opening Time at 25OC Rating • Flat top surface for pick- 100% 4 hours, Minimum and-place operations 200% 5 sec., Maximum 300% 0.2 sec., Maximum Applications Additional Information Secondary protection for space constrained applications: • Cell phones • DVD players • Battery packs • Hard disk drives • Digital cameras Datasheet Resources Samples Electrical Specifications by Item Ampere Max Nominal Cold Nominal Nom Nom Power Agency Approvals Amp Interrupting Rating Voltage Rating Resistance Melting Voltage Drop Dissipation Code Rating (A) (V) (Ohms) I2t (A2sec) (mV) (W) 0.125 .125 125 3.925 0.00064 634.37 0.0793 x x 0.200 .200 125 50A @ 125VAC/ 1.100 0.00055 254.28 0.0509 x x 0.250 .250 125 VDC 0.691 0.0022 207.01 0.0518 x x 0.375 .375 125 0.351 0.0045 169.18 0.0634 x x 0.500 .500 63 0.248 0.0060 158.47 0.0792 x x 0.750 .750 63 0.106 0.0276 98.65 0.0740 x x 1.00 001. 63 0.075 0.0423 79.97 0.0800 x x 1.25 1.25 63 50A @ 63VAC/VDC 0.057 0.0640 85.71 0.1071 x x 1.50 01.5 63 0.046 0.1103 82.97 0.1244 x x 1.75 1.75 63 0.038 0.1835 80.73 0.1413 x x 2.00 002. 63 0.030 0.2326 78.73 0.1575 x x 2.50 02.5 32 0.023 0.3516 76.99 0.1925 x x 3.00 003. 32 0.019 0.5760 75.99 0.2280 x x 50A @ 32VAC/VDC 4.00 004. 32 0.014 1.764 74.50 0.2980 x x 5.00 005. 32 0.011 2.500 73.75 0.3688 x x 1. Measured at 10% of rated current, 25ºC. 2. Measured at rated voltage. © 2018 Littelfuse, Inc. Specifications are subject to change without notice.Application testing is strongly recommended. Revised: 12/17/18

Surface Mount Fuses Thin Film > 1206 Size > Very Fast-Acting > 466 Series Temperature Re-rating Curve Average Time Current Curves AAA A 1/8A 1/4A 3/8A 1/2A 3/4A 1A 1 1/41 1/21 3/4 2A2 1/23A4A5A 100 10 S D N CO 1 E S N E I M TI 0.1 Note: 1. Re-rating depicted in this curve is in addition to the standard re-rating of 25% for continuous operation. 0.01 Example: For continuous operation at 70 degrees celsius, the fuse should be rerated as follows: I = (0.75)(0.80)I = (0.60)I RAT RAT 2. The temperature derating curve represents the nominal conditions. For questions 0.001 about temperature derating curve, please consult Littelfuse technical support for 0.1 1 10 100 assistance. CURRENT IN AMPERES Soldering Parameters Reflow Condition Pb – free assembly t P - Temperature Min (Ts(min)) 150°C TP Critical Zone Pre Heat - Temperature Max (T ) 200°C Ramp-up TL to TP s(max) T Average Ra-m Tipm-uep ( MRainte t o(L Miquaxid) u(tss T)emp 60 – 180 seconds eruTS(maxL) tL 5°C/second max. ta (TL) to peak) re Ramp-down p Preheat T to T - Ramp-up Rate 5°C/second max. mT S(max) L S(min) - Temperature (T) (Liquidus) 217°C eT tS Reflow L - Temperature (t) 60 – 150 seconds L 25 Peak Temperature (TP) 260+0/-5 °C time (tto 2 p5eºCak t ote pmepaekr)ature Time Time within 5°C of actual peak 20 – 40 seconds Temperature (t ) p Ramp-down Rate 5°C/second max. Time 25°C to peak Temperature (T ) 8 minutes max. Wave Soldering 260°C, 10 seconds max. P Do not exceed 260°C Disclaimer Notice - Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. © 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/17/18

Surface Mount Fuses Thin Film > 1206 Size > Very Fast-Acting > 466 Series Product Characteristics Dimensions Body: Advanced High Temperature Substrate MARKING CODE VARIES Materials Terminations: 100% Tin over Nickel over WITH AMPERAGE RATING Copper (SEE CHART) 0.660 ± 0.127 Element Cover Coat: Conformal Coating (0.026" ± 0.005") Operating – 55OC to 90OC. Sn Temperature Consult temperature re-rating curve chart. 0.584 ± 0.076 (0.023" ± 0.003") Thermal Shock Withstands 5 cycles of –55OC to 125OC 0.559 ± 0.127 Coating Humidity MIL-STD-202, Method 103, Condition D 3.175 ± 0.127 (0.022" ± 0.005") (0.125" ± 0.005") Sn Vibration MIL-STD-202, Method 201 Cu Sn Insulation Resistance Greater than 10,000 ohms 1.524 ± 0.127 (0.060" ± 0.005") (After Opening) Resistance to 3.175 ± 0.127 MIL-STD-202, Method 210, Condition D (0.125" ± 0.005") Soldering Heat 1.65 (.065") Part Marking System 1.52 4.83 (.060") (.190") Amp Marking 3.81 1.52 Code Code (.150") (.060") 1.14 .125 B (.045") .200 C 2.03 2.03 (.080") (.080") .250 D WAVE SOLDER REFLOW SOLDER .375 E .500 F Part Numbering System .750 G 0466002.NRHF 001. H 1.25 J SERIES 01.5 K AMP Code 1.75 L Refer to Amp Code column in the Electrical Specifications table. 002. N The dot is poisitioned before the Pack- 02.5 O aging Suffix with whole ratings and within the numbering sequence for 003. P fractional ratings. QUANTITY CODE 004. S Example N = 5000 pcs 0.125 amp product is 005. T 0466.125NRHF PACKAGING Code (2 amp product shown R = Tape and Reel above). ‘HF’ SUFFIX Halogen-free Packaging Quantity & Packaging Option Packaging Specification Quantity Packaging Code 8mm Tape and Reel EIA-481 Rev. D (IEC 60286, part 3) 5000 NR © 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/17/18