Fuse Mounting Accessories Page 94 Fuse & Mounting Accessories

2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/03/17 Surface Mount Fuses NANO 2 > 157 Fuse and Holder Combination 157 Series - Standard Nano 2 Fuse and Clip Assembly Description The 157 Series - Standard Nano Fuse/Clip assembly is a small, square, very fast-acting surface mount fuse that is assembled in surface mountable fuse clips. The fuse clip and pre-installed fuse combination can be automatically placed in PC Board in one efficient manufacturing operation. It permits quick and easy replacement of fuses without performing desoldering process, even in the field and without exposing the PC Board to detrimental effects of rework solder heat. Agency Approvals AGENCY AGENCY FILE NUMBER AMPERE RANGE E14721 0.062A ~ 10A PS E NBK030205-E10480A NBK030205-E10480B NBK101105-E184655 1A - 1.6A 2A - 5A 6.3A - 10A Features Electrical Characteristics for Series Surface Mountable, Very Fast-Acting Fuse. Fully compatible with RoHS/Pb-Free solder alloys and higher temperature profiles associated with leadfree assembly. Easily replaceable on PC Board (Field Replaceable) RoHS compliant and Halogen Free Available in ratings of 0.062 ~ 10 Amperes. % of Ampere Rating Opening Time at 25C 100% 4 hours Minimum 200% 5 secs. Maximum Applications Electrical Specifications by Item 1. Cold resistance measured at less than 10% of rated current at 23C. 2. I 2 t values stated for 8ms opening time. 3. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved 4. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options. RoHS Instrumentation Base Stations Telecommunications PS E Ampere Rating (A) Amp Code Max Voltage Rating (V) Interrupting Rating (A) Fuse Furnished Nominal Cold Resistance (Ohms) Nominal Melting I 2 t (A 2 sec) Agency Approvals PS E 0.062 .062 125 50A @ 125 VAC/VDC 300A @ 32 VDC 0451.062 5.5372 0.00019 X 0.080 .080 125 0451.080 4.0500 0.00033 X 0.100 .100 125 0451.100 3.1000 0.00138 X 0.125 .125 125 0451.125 1.7059 0.00286 X 0.160 .160 125 0453.160 1.2157 0.0048 X 0.200 .200 125 0453.200 1.3971 0.00652 X 0.250 .250 125 0453.250 1.0496 0.01126 X 0.315 .315 125 0453.315 0.3881 0.0311 X 0.375 .375 125 0453.375 0.6100 0.0442 X 0.400 .400 125 0453.400 0.5600 0.0551 X 0.500 .500 125 0453.500 0.4200 0.0824 X 0.630 .630 125 0453.630 0.3050 0.1381 X 0.750 .750 125 0453.750 0.2450 0.2143 X 0.800 .800 125 0453.800 0.2120 0.2654 X 1.0 001. 125 0453001. 0.1530 0.6029 X 1.25 125 04531.25 0.078 0.664 X 1.5 01.5 125 045301.5 0.0634 0.853 X 1.6 01.6 125 045301.6 0.0580 1.060 X 2.0 002. 125 0453002. 0.0373 0.530 X 2.5 02.5 125 045302.5 0.0288 1.029 X 3.0 003. 125 0453003. 0.0229 1.650 X 3.15 125 04533.15 0.0215 1.920 X 3.5 03.5 125 045303.5 0.0203 2.469 X 4.0 004. 125 0453004. 0.0163 3.152 X 5.0 005. 125 0453005. 0.0127 5.566 X 6.3 06.3 125 045306.3 0.0098 9.17 X 7.0 007. 125 0453007. 0.0092 10.32 X 8.0 008. 125 0453008. 0.0079 20.23 X 10.0 010. 125 35A @ 125 VAC / 50A @125 VDC 300A @ 32VDC 0453010. 0.0058 26.46 X Specifications are subject to change without notice. Application testing is strongly recommended.

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