Type MRF Fast Acting Radial Lead Micro Fuse Series MRF Series RoHS 2 Compliant Description Sub-miniature, fast-acting type, 250V rated fuses designed, approved and complied with IEC 60127-3, standard sheet 3. Features - Fast Acting (250V AC 50A) - Meet IEC standard 60127-3, sheet 3 - Wide operating temperature range - Bulk and Tape & Reel packing available - AEC-Q Compliant - RoHS 2 compliant - Halogen Free - Lead Free - Meets Bel automotive qualification* * - Largely based on internal AEC-Q test plan Applications Provide individual protection for components or internal circuits. - Power supplies - Battery chargers - Consumer electronics - Adapter LEAD FREE = - Industrial controllers HALOGEN FREE = Physical Specifications Base and Cover : Black thermoplastic, UL 94-V0 Materials Pins : 100% Matte Tin Plated Copper On Fuse :be, Current Ratin,250 &Appropriate Safety Logo On Label : Marking AEC-Q Compliantbe,MR,Current Ratin,Voltage Ratin,Interrupting Ratin,Appropriate Safety Logo and,(China RoHS compliant). Electrical Characteristics (IEC-127-3 STANDARD SHEET 3) Safety Agency Approvals Safety Safety Agency Voltage Rating Ampere Range / Volt 1.5In 2.1In 2.75In 4In 10In Rated Agency Certificate (V) I.R. ability* Current Min Max Min Max Min Max Max 1521060 50mA to 1 30 10 3 3 300 20 50mA - 5A / 250V AC 35A 6.3A or 10 In whichever is greater hour min. ms sec ms ms ms 40017420 inclusive In clause 9.2, the test voltage for MRF ratings from 80mA to 40028500 80mA-6.3A/ 6.3A/250V ac 63A 6.3A is 64VDC. 250V ac LR39772 50mA-6.3 /250V AC 50A E20624 50mA-6.3A/350V AC 100A JET 1037-31007-1001 1A-5A/250V AC 100A *I.R.= Interrupting Rating = Short Circuit Rating(Amps) Specifications subject to change without notice belfuse.com/circuit-protection2 / 4 Type MRF Environmental Specifications MIL-STD-202G, Method 213B, Test High temperature storage MIL-STD-202 Method 108 Condition 1 Shock Resistance Temperature cycling JESD22 Method JA-104,Test Condition B (100 G s peak for 6 milliseconds MIL-STD-202 Method 103, 85C/85% RH with Sawtooth waveform) Biased humidity 10% operating power for 1000 hrs. Vibration MIL-STD-202G, Method 201A Operational life MIL-STD-202 Method 108, Test Condition D Resistance (10-55 Hz X 3 axis / no load). Salt Spray MIL-STD-202G, Method 101E, Test Resistance to solvents MIL-STD-202 Method 215 Resistance Condition B (48 hrs.). Mechanical shock MIL-STD-202 Method 213,Test Condition C Solderability MIL-STD-202G, Method 208H Vibration MIL-STD-202 Method 204 MIL-STD-202G, Method 210F, Test Resistance to soldering Resistance to MIL-STD-202 Method 210,Test condition B heat solder Heat Condition C. Top Side. (260 ,20 sec) Thermal shock MIL-STD-202 Method 107 Moisture MIL-STD-202G, Method 202G, Method Resistance 106G Solderability J-STD-002 Operating Board flex(SMD) AEC-Q200-005 -55 to +125 Temperature Terminal strength AEC-Q200-006 Electrical characterization 3 temperature electrical Electrical Specifications Agency Typical Maximum Volt-drop Voltage and Melting IT Melting IT Approvals Catalog Ampere Cold Power 100% In Interrupting <10 mSec 10 In Number Rating Resistance Dissipation (Volt) max. Ratings (A Sec) (A Sec) (ohms) (W) MRF 50 50mA 11.9 0.73 0.001 0.001 0.09 Y Y Y Y MRF 63 63mA 8.5 0.66 0.001 0.001 0.10 Y Y Y Y MRF 80 80mA 6.3 0.64 0.002 0.002 0.11 Y Y Y Y MRF 100 100mA 4.0 0.49 Y 0.003 0.003 0.11 Y Y Y MRF 125 125mA 3.1 0.50 0.007 0.007 0.13 Y Y Y Y MRF 160 160mA 2.3 0.46 0.016 0.016 0.21 Y Y Y Y Y MRF 200 200mA 1.7 0.41 0.027 0.027 0.19 Y Y Y MRF 250 250mA 0.42 0.17 0.023 0.023 0.23 Y Y Y Y MRF 315 315mA 0.29 0.15 See Table 0.044 0.044 0.22 Y Y Y Y of Safety MRF 400 400mA 0.21 0.14 0.073 0.072 0.28 Y Y Y Y Approvals on Page 1 Y Y Y Y MRF 500 500mA 0.17 0.15 0.20 0.18 0.42 for Voltage MRF 630 630mA 0.10 0.08 0.15 0.14 0.16 Y Y Y Y and associated MRF 800 800mA 0.071 0.08 0.4 0.4 0.20 Y Y Y Y Interrupting 1A Y Y Y Y Y MRF 1 0.057 0.08 Ratings 0.7 0.6 0.38 MRF 1.25 1.25A 0.047 0.081 1.3 1.2 0.69 Y Y Y Y Y 1.6A MRF 1.6 0.035 0.077 1.4 1.3 0.62 Y Y Y Y Y 2A Y Y Y Y Y MRF 2 0.028 0.075 2.1 2.0 0.72 MRF 2.5 2.5A 0.022 0.071 4 3 0.92 Y Y Y Y Y MRF 3.15 3.15A 0.016 0.064 6 4 0.82 Y Y Y Y Y MRF 4 4A 0.011 0.059 8 6 0.65 Y Y Y Y Y MRF 5 5A 0.010 0.056 15 11.8 0.91 Y Y Y Y Y MRF 6.3 6.3A 0.008 0.054 25 19.8 1.05 Y Y Y Consult manufacturer for other ratings Specifications subject to change without notice Bel Fuse Inc. +1 201.432.0463 206 Van Vorst Street Bel.US.CS belf.com Jersey City, NJ 07302 USA belfuse.com/circuit-protection 2019 Bel Fuse, Inc. Rev. MRF Jan2019