Type MRT Time Lag Radial Lead Micro Fuse Series MRT Series RoHS 2 Compliant Description Sub-miniature, time lag type, 250V rated fuses designed, approved and complied with IEC 60127-3, standard sheet 4. Features - Time lag (250V AC) - Meet IEC standard 60127-3, sheet 4 - 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 4) 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 Min Max 80mA-6.3A/250V ac 35A or 1812914 10 In whichever is greater 80mA to 1 2 400 10 150 3 20 150 6.3A 80mA-800mA/250V ac 35A hour min. ms sec ms sec ms ms 139937 inclusive 1A-4A/250V ac 100A In clause 9.2, the test voltage for MRT ratings from 80mA 40001000 5A-6.3A/250V ac 100A to 6.3A is 64VDC. 80mA-6.3A/ LR39772 80mA-6.3A/250V ac 50A 250V ac E20624 80mA-6.3A/277V ac 100A JET 1037-31007-1001 1A-5A/250V ac 100A 80mA-6.3A/250V ac 35A or 2002010207021532 10 In whichever is greater *I.R.= Interrupting Rating = Short Circuit Rating(Amps) Specifications subject to change without notice belfuse.com/circuit-protection2 / 4 Type MRT 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 Sawtooth waveform) MIL-STD-202 Method 103, 85C/85% RH with Biased humidity 10% operating power for 1000 hrs . MIL-STD-202G, Method 201A Vibration Resistance (10-55 Hz X 3 axis / no load). Operational life MIL-STD-202 Method 108, Test Condition D Salt Spray MIL-STD-202G, Method 101E, Test Resistance to solvents MIL-STD-202 Method 215 Resistance Condition B (48 hrs.). Solderability MIL-STD-202G, Method 208H Mechanical shock MIL-STD-202 Method 213,Test Condition C MIL-STD-202G, Method 210F, Test Resistance to solder Vibration MIL-STD-202 Method 204 Heat Condition C. Top Side. (260 ,20 sec) Resistance to soldering MIL-STD-202 Method 210,Test condition B MIL-STD-202G, Method 202G, Method heat Moisture Resistance 106G Thermal shock MIL-STD-202 Method 107 Operating -55 to +125 Solderability J-STD-002 Temperature Board flex(SMD) AEC-Q200-005 Terminal strength AEC-Q200-006 Electrical characterization 3 temperature electrical Electrical Specifications Agency Typical Volt-drop Maximum Approvals Voltage and Melting IT Melting IT Catalog Ampere Cold 100% In Power Interrupting <10 mSec 10 In Number Rating Resistance (Volt) Dissipation Ratings (A Sec) (A Sec) (ohms) max. (W) MRT 80 80mA 3.5 0.398 Y 0.01 0.01 0.10 Y Y Y Y MRT 100 100mA 2.3 0.329 0.02 0.02 0.11 Y Y Y Y Y MRT 125 125mA 1.6 0.295 0.04 0.04 0.13 Y Y Y Y Y MRT 160 160mA 1.1 0.252 0.07 0.06 0.15 Y Y Y Y Y Y MRT 200 200mA 0.73 0.200 0.12 0.11 0.17 Y Y Y Y MRT 250 250mA 0.55 0.188 0.38 0.41 0.19 Y Y Y Y Y MRT 315 315mA 0.36 0.152 0.60 0.66 0.22 Y Y Y Y Y MRT 400 400mA 0.25 0.129 0.90 1.0 0.25 Y Y Y Y Y See Table of Safety MRT 500 500mA 0.18 0.114 1.5 1.7 0.29 Y Y Y Y Y Approvals on Page 1 MRT 630 630mA 0.13 0.109 2.4 2.6 0.33 Y Y Y Y Y for Voltage MRT 800 800mA 0.095 0.103 3.7 4.2 0.38 Y Y Y Y Y and associated MRT 1 1A 0.070 0.090 6 7 0.44 Y Y Y Y Y Y Interrupting Ratings 1.25A MRT 1.25 0.053 0.087 9 11 0.51 Y Y Y Y Y Y 1.6A MRT 1.6 0.038 0.085 15 17 0.58 Y Y Y Y Y Y MRT 2 2A 0.029 0.084 23 27 0.67 Y Y Y Y Y Y MRT 2.5 2.5A 0.022 0.084 37 43 0.77 Y Y Y Y Y Y Y Y Y Y Y MRT 3.15 3.15A 0.017 0.074 58 69 0.88 Y MRT 4 4A 0.013 0.073 92 110 1.02 Y Y Y Y Y Y MRT 5 5A 0.010 0.073 145 175 1.17 Y Y Y Y Y Y MRT 6.3 6.3A 0.008 0.072 230 281 1.34 Y Y 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. MRT Jan2019