Fuse Mounting Accessories Page 67 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Surface Mount Fuses NANO 2 > Very Fast Acting Fuse > 456 Series 456 Series Fuse Description The High Current NANO 2 Fuse is a small square surface mount fuse that is designed to support higher current requirements of various applications. Agency Approvals AGENCY AGENCY FILE NUMBER AMPERE RATING E10480 20A - 40A T50291892 20A - 30A PS E NBK030308-JP1021 20A - 30A 29862 20A - 40A Electrical Characteristics Features RoHS % of Ampere Rating Opening Time 100% 4 hours, Minimum 200% 60 seconds, Maximum Electrical Specifications Ampere Rating (A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I 2 t (A 2 Sec.) Nom Voltage Drop (mV) Agency Approvals PS E 20 020. 125 100A @125VAC 300A @ 65VAC 300A @ 100VDC 1000A @ 32VDC 500A @ 72VDC 0.00230 18 64.7 x 25 025. 125 100A @ 125VAC 300A @ 65VAC 500A @ 72VDC 1000A @ 32VDC 0.00192 45 68.38 x 30 030. 125 100A @ 125VAC 300A @ 65VAC 1000A @ 32VDC 500A @ 72VDC 0.00132 81 69.9 x 40 040. 72 180A @ 72VDC 600A @ 60VDC 0.00105 191 55 x Applications Voltage regulator module for PC server Cooling fan system for PC server Storage system power Basestation power supply Surface mount high current fuse Fully compatible with lead-free solder alloys and higher temperature profiles associated with lead-free assembly RoHS compliant and Halogen Free Available in ratings of 20 to 40 Amperes PS E Notes: 1. Cold resistance measured at less than 10% of rated current at 23C. 2. Agency Approval Table Key: X=Approved or Certified, P=Pending. 3. I 2 t values stated for 1 msec opening time. 40A 20A, 25A, 30A Application testing is strongly recommended. Additional Information Datasheet Samples Resources

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