1/4 x 1-1/4 Fuses MDA Series, Time Delay, Ceramic Tube Description RoHS Time Delay, ceramic tube 2002/95/EC Optional axial leads available 1/4 x 1-1/4 (6.3mm x 32mm) physical size Ceramic tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14 ELECTRICAL CHARACTERISTICS Rated Current Amp Rating Opening Time 100% None 1/4 - 30A 135% 60 Minutes Max. 200% 120 Seconds Max. mm Dimensions ( in) Agency Information Drawing Not to Scale UL Listed Card: MDA 2/10 - 20A (Guide JDYX, File E19180) UL Recognized Card: MDA 25 - 30A (Guide JDYX2, File E19180) CSA Certification Card: MDA 2/10 - 20 (Class No. 1422-01) CSA Component Acceptance: MDA 25-30A (Class No. 1422-30) 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 packaging, product, and option code SPECIFICATIONS Product Voltage AC Interrupting DC Interrupting Typical DC Cold Typical Typical 2 Code Rating Rating* Rating Resistance** Melting I t Voltage AC DC 250V 125V 125V (ohms) AC Drop MDA-1/4 250V - 35A 10000A - 9.325 0.68 4.00 MDA-1/2 250V - 35A 10000A - 1.925 2.3 1.42 MDA-3/4 250V - 35A 10000A - 0.8555 7.8 1.31 MDA-1 250V - 35A 10000A - 0.560 11.1 1.03 MDA-1-1/2 250V - 100A 10000A - 0.2585 25.0 0.691 MDA-2 250V - 100A 10000A - 0.1645 64.0 0.623 MDA-2-1/2 250V - 200A 10000A - 0.06685 28.9 0.213 MDA-3 250V - 200A 10000A - 0.0507 40.9 0.182 MDA-4 250V - 200A 10000A - 0.0346 134.0 0.162 MDA-5 250V - 200A 10000A - 0.02355 345.9 0.145 MDA-6 250V - 200A 10000A - 0.01850 534.3 0.141 MDA-7 250V - 200A 10000A - 0.01475 580.3 0.137 MDA-8 250V - 200A 10000A - 0.01230 944.0 0.134 MDA-10 250V - 200A 10000A - 0.00858 1491.3 N/A MDA-12 250V - 750A 10000A - 0.00725 113.8 0.114 MDA-15 250V - 750A 10000A - 0.00543 206.2 0.107 MDA-20 250V 125V 1500A 10000A 10000A 0.00358 439.5 0.095 MDA-25A 250V 125V 1500A 10000A 10000A 0.00309 667.9 0.105 MDA-30A 250V 125V 1500A 10000A 10000A 0.00243 997.0 0.110 * Interrupting Ratings (Measured at 70% - 80% power factor on AC. The interrupting ratings for 25Amp, 30Amp were measured at 90% - 100% power factor on AC) ** DC Cold Resistance (Measured at 10% of rated current) 2 2 2 Typical Melting I t (A Sec) (I t was measured at listed interrupting rating and rated voltage) Typical Voltage Drop (Voltage drop was measured at 25C ambient temperature at rated current)TIME IN SECONDS 1/4 x 1-1/4 Fuses MDA Series, Time Delay, Ceramic Tube TIME CURRENT CURVE CURRENT IN AMPERES CURRENT IN AMPERES PACKAGING CODE Packaging Code Description BK 100 pieces of fuses packed into a cardboard carton BK1 1,000 pieces of fuses packed into a cardboard carton BK8 8,000 pieces of fuses packed into a cardboard carton OPTION CODE Option Code Description B Board Washable - Hermetically sealed to withstand aqueous cleaning V Axial leads - copper tinned wire with nickel plated brass overcaps -R RoHS compliant version Visit us on the web at: North America Europe Asia Pacific www.cooperbussmann.com Cooper Electronic Technologies Cooper Bussmann Cooper Electronic Technologies Cooper Electronic Technologies Cooper Electronic Technologies 1225 Broken Sound Parkway NW P.O. Box 14460 Cooper (UK) Limited Avda. Santa Eulalia, 290 1 Jalan Kilang Timor OC-2545 3/07 Suite F St. Louis, MO 63178-4460 Burton-on-the-Wolds 08223 06-01 Pacific Tech Centre Boca Raton, FL 33487-3533 Tel: 1-636-394-2877 Leicestershire LE12 5TH UK Terrassa, (Barcelona), Spain Singapore 159303 Cooper Electronic Tel: 1-561-998-4100 Fax: 1-800-544-2570 Tel: +44 (0) 1509 882 737 Tel: +34 937 362 812 Tel: +65 278 6151 Technologies 2007 Fax: 1-561-241-6640 Fax: +44 (0) 1509 882 786 +34 937 362 813 Fax: +65 270 4160 Toll Free: 1-888-414-2645 Fax: +34 937 362 719 TIME IN SECONDS 1/4 1/2 1 2 3-2/10 4 5 6-1/4 10 12 15 20 25 30