Type RST Time Lag Radial Lead Micro Fuse Series RST 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 - RoHS 2 compliant - Halogen Free - Lead Free 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 : Markingbe,RS,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-5A/250V AC 35A 1808557 or 10 In whichever is greater. 80mA to 1 2 400 10 150 3 20 150 6.3A 80mA-6.3A/250V AC 35A 40011144 hour min. ms sec ms sec ms ms inclusive or 10 In whichever is greater. 40028321 In clause 9.2, the test voltage for RST ratings from 80mA 80mA-6.3A/ E20624 80mA-6.3A/277V AC 100A to 6.3A is 63VDC. 250V AC JET 1037-31007-1001 1A-5A 250V AC 100A 80mA-5A/250V AC 35A 2004010207111444 or 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 RST Environmental Specifications MIL-STD-202G, Method 213B, Test Condition 1 Shock Resistance (100 G s peak for 6 milliseconds Sawtooth waveform) Vibration Resistance MIL-STD-202G, Method 201A (10-55 Hz X 3 axis / no load). Salt Spray Resistance MIL-STD-202G, Method 101E, Test Condition B (48 hrs.). Solderability MIL-STD-202G, Method 208H Resistance to solder Heat MIL-STD-202G, Method 210F, Test Condition C. Top Side. (260,20 sec) Moisture Resistance MIL-STD-202G, Method 202G, Method 106G Operating Temperature -55 to +125 Electrical Specifications Maximum Typical Agency Approvals Volt-drop Voltage and Melting IT Melting IT Catalog Ampere Cold Power 100% In Interrupting <10 mSec 10 In Number Rating Resistance Dissipation (Volt) max. Ratings (A Sec) (A Sec) (ohms) (W) RST 80 80mA 3.5 0.398 0.01 0.01 0.10 Y Y Y Y RST 100 100mA 2.3 0.329 0.02 0.02 0.11 Y Y Y Y RST 125 125mA 1.6 0.295 0.04 0.04 0.13 Y Y Y Y RST 160 160mA 1.1 0.252 0.07 0.06 0.15 Y Y Y Y RST 200 200mA 0.73 0.200 0.12 0.11 0.17 Y Y Y Y RST 250 250mA 0.55 0.188 0.38 0.41 0.19 Y Y Y Y RST 315 315mA 0.36 0.152 0.60 0.66 0.22 Y Y Y Y RST 400 400mA 0.25 0.129 0.9 1.0 0.25 Y Y Y Y See Table of RST 500 500mA 0.18 0.114 1.5 1.7 0.29 Y Y Y Y Safety Approvals on RST 630 630mA 0.13 0.109 2.4 2.6 0.33 Y Y Y Y Page 1 for Voltage and Y Y Y Y RST 800 800mA 0.095 0.103 3.7 4.2 0.38 associated Interrupting RST 1 1A 0.070 0.090 6 7 0.44 Y Y Y Y Y Ratings 1.25A Y Y Y Y Y RST 1.25 0.053 0.087 9 11 0.51 RST 1.6 1.6A 0.038 0.085 15 17 0.58 Y Y Y Y Y 2A Y Y Y Y Y RST 2 0.029 0.084 23 27 0.67 RST 2.5 2.5A 0.022 0.084 37 43 0.77 Y Y Y Y Y Y Y Y Y Y RST 3.15 3.15A 0.017 0.074 58 69 0.88 RST 4 4A 0.013 0.073 92 110 1.02 Y Y Y Y Y RST 5 5A 0.010 0.073 145 175 1.17 Y Y Y Y Y RST 6.3 6.3A 0.008 0.072 230 281 1.34 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. RST Jan2019