1/4" x 1-1/4" Fuses MDL Series, Time Delay, Glass Tube Description • Time delay, glass tube • Optional leaded version available • 1/4 x 1-1/4 (6.3mm x 32mm) physical size • Glass tube, nickel-plated brass endcap construction • UL Listed product meets standard 248-14 ELECTRICAL CHARACTERISTICS Rated Current Amp Rating Opening Time 100% None 1/16 - 30A 135% 60 minutes max. 200% 120 seconds max. 1/16 - 3A 200% 5 seconds min. 3-2/10 - 8A 200% 12 seconds min. Dimensions (mm⁄in) Drawing Not to Scale Approvals • UL Listed Card: MDL 1/16 - 8A (Guide JDYX, File E19180) • UL Recognized Card: MDL 9 - 30A (Guide JDYX2, File E19180) • CSA Certification Card: MDA 2/10 - 15 (Class No. 1422-01) Environmental Data • Shock: 1/100A and 8/10A – MIL-STD-202, Method 213, Test Condition I; 1A thru 30A – MIL-STD-202, Method 207, (HI Shock) • Vibration: 1/100A and 8/10A – MIL-STD-202, Method 201; 1/4A thru 30A – MIL-STD-202, Method 204, Test Condition C (Except 5g, 500HZ) Ordering • Specify product code, option code and packaging code Product Code MDL-1/16 MDL-1/10 MDL-1/8 MDL-3/16 MDL-2/10 MDL-1/4 MDL-3/10 MDL-3/8 MDL-1/2 MDL-3/4 MDL-1 MDL-1-1/4 MDL-1-1/2 MDL-2 MDL-2-1/4 MDL-2-1/2 MDL-3 MDL-4 MDL-5 MDL-6 MDL-7 MDL-8 MDL-9 MDL-10 MDL-15 MDL-20 MDL-25 MDL-30 * ** † ‡ Voltage Rating AC 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 250V 32V 32V 32V 32V 32V 32V SPECIFICATIONS 250V 35A 35A 35A 35A 35A 35A 35A 35A 35A 35A 35A 100A 100A 100A 100A 100A 100A 200A 200A 200A 200A 200A - AC Interrupting Rating* 125V 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A 10000A - 32V 1000A 1000A 1000A 1000A 1000A 1000A Typical DC Cold Resistance** (ohms) 38.000 15.900 9.850 4.680 4.115 0.320 2.300 2.800 1.725 0.822 0.525 0.320 0.250 0.173 0.068 0.096 0.067 0.035 0.023 0.018 0.018 0.011 0.009 0.008 0.006 0.002 0.001 0.001 Interrupting Ratings (Interrupting ratings were measured at 70% - 80% power factor on AC) DC Cold Resistance (Measured at ≤10% of rated current) Typical Melting I2t (A2Sec) (I2t was measured at listed interrupting rating and rated voltage.) Typical Voltage Drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current) Typical Melting I2t† AC 0.0046 0.0420 0.0422 0.116 0.314 0.447 0.412 0.982 1.656 4.343 11.498 86.2 22.7 62.3 49.6 63.1 67.5 19.3 32.0 37.4 42.7 47.8 51.5 64.4 354.0 2914.0 15221.0 15581.0 Typical Voltage Drop‡ 2.79 1.95 1.52 N/A 0.972 0.965 0.808 1.46 1.27 1.01 0.995 0.722 0.721 0.644 0.535 0.410 0.345 0.187 0.160 0.155 0.140 0.119 0.124 0.114 0.130 0.530 0.30 0.40 1/4" x 1-1/4" Fuses MDL Series, Time Delay, Glass Tube TIME CURRENT CURVE 3 3-2/10 4 5 6 8 7 10 12 15 20 25 30 2 1 1/2 1/4 15/100 1/8 CURRENT IN AMPERES TIME IN SECONDS TIME IN SECONDS CURRENT IN AMPERES OPTION CODE Option Code B V Description Board Washable - Hermetically sealed to withstand aqueous cleaning Axial leads - brass overcaps with copper and nickel flash, plated in tin lead PACKAGING CODE Packaging Code BK BK1 BK8 OC-2546 10/01 © Cooper Electronic Technologies 2001 Description 100 pieces of fuses packed into a cardboard carton with flaps folded 1,000 pieces of fuses packed into a cardboard carton with flaps folded 8,000 pieces of fuses packed into a cardboard carton with flaps folded Visit us on the Web at www.cooperET.com 3601 Quantum Boulevard Boynton Beach, Florida 33426-8638 Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178 This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.