1 1 4 x 1 4 Fuses MDQ Series Dual-Element, Time-Delay, Glass Fuse Description Dual-element, time-delay 1 1 4 x 1 4 (6.3 x 32mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14 Available with axial leads Electrical Characteristics Rated Current % of Amp Rating Opening Time 100% None 1 16 - 30A 135% 60 minutes maximum Dimensions - mm (in) 200% 120 seconds maximum Agency Information 1 UL Listed Card: MDQ- 16 - 7A (Guide JDYX, File E19180) UL Recognition Card: MDQ-7.5 - 15A with axial leads (Guide JDYX2, File E19180) CSA Component Acceptance Card: 1 MDQ- 16 - 15 (Class 1422-01) Ordering Specify packaging, product, and option code (i.e., Bk-MDQ-BV-1) Specifications Voltage Interrupting Typical DC Cold Product Code Rating Rating Resistance Vac Amps ()** MDQ-1/16 250 35 83.30000 MDQ-1/10 250 35 35.00000 MDQ-1/8 250 35 21.50000 MDQ-3/16 250 35 10.00000 MDQ-2/10 250 35 8.65000 MDQ-1/4 250 35 5.77500 MDQ-3/10 250 35 4.20000 MDQ-3/8 250 35 2.35000 MDQ-1/2 250 35 1.40000 MDQ-3/4 250 35 0.39685 MDQ-1 250 35 0.37400 MDQ-1-1/4 250 100 0.36000 MDQ-1-1/2 250 100 0.27000 MDQ-2 250 100 0.13250 MDQ-2-1/4 250 100 0.11450 MDQ-2-1/2 250 100 0.10050 MDQ-3 250 100 0.05715 MDQ-4 250 200 0.03510 MDQ-5 250 200 0.02650 MDQ-6 250 200 0.01715 MDQ-6-1/4 250 200 0.01690 MDQ-7 250 200 0.01375 MDQ-8 32 1,000 0.01200 MDQ-9 32 1,000 0.00888 MDQ-10 32 1,000 0.00720 MDQ-15 32 1,000 0.00410 ** DC Cold Resistance (Measured at <10% of rated current) 0308 BU-SB07472 Page 1 of 2 Data Sheet 2044TIME IN SECONDS Time-Current Curve CCURRURREENNTT I INN AAMMPPEERERESS CURCURRERENNTT I INN A AMMPPEERREESS Packaging Packaging Code Prefix Description BK 100 pieces of fuses packed into a cardboard carton BK1 1000 pieces of fuses packed into a cardboard carton Option Code Option Code Suffix Description B Board Washable - Hermetically sealed to withstand aqueous cleaning V Axial leads - copper tinned wire with nickel plated brass overcaps North America Europe Asia Pacific 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 1 Jalan Kilang Timor Avda. Santa Eulalia, 290 Suite F St. Louis, MO 63178-4460 Burton-on-the-Wolds 06-01 Pacific Tech Centre 08223 Boca Raton, FL 33487-3533 Tel: 1-636-394-2877 Leicestershire LE12 5TH UK Singapore 159303 Terrassa, (Barcelona), Spain Tel: 1-561-998-4100 Fax: 1-636-527-1607 Tel: +44 (0) 1509 882 737 Tel: +65 278 6151 Tel: +34 937 362 812 Fax: 1-561-241-6640 Fax: +44 (0) 1509 882 786 Fax: +65 270 4160 +34 937 362 813 Toll Free: 1-888-414-2645 Fax: +34 937 362 719 The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann 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. Life Support Policy: Cooper Bussmann does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2008 Cooper Bussmann St. Louis, MO 63178 www.cooperbussmann.com 0308 BU-SB07472 Page 2 of 2 Data Sheet 2044 TIME IN SECONDS 1/10 2/10 3/10 1/2 1 1-1/4 1-1/2 1-6/10 2 3-2/10 5 6-1/4 10 15 20 25 30