Effective June 2017 Supersedes February 2009 Technical Data 2004 MDL 1/4" x 1 1/4" Time-delay glass tube fuses Agency information * * * * UL Listed Card: MDL 1/16 - 8A (Guide JDYX, File E19180) UL Recognized Card: MDL 9 - 30A (Guide JDYX2, File E19180) CSA Certification Card: MDL 1/16 - 8A (Class No. 1422-01) CSA Component Acceptance: MDL 9-30A (Class No. 1422-30) * CE Ordering * Product features * * * * * * Time-delay Optional axial leads available 14 x 1 14 (6.4 x 31.7mm) physical size Glass tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14 * * * * Environmental data Specify packaging code Insert packaging code prefix before part number. E.g., BK (or BK1)-MDL-5-R Specify option codes if desired For axial leads, insert "V" between catalog series and amp rating. E.g., BK-MDL-V-5-R For board washable, insert "B" between catalog series and amp rating. E.g., BK-MDL-B-5-R For axial leads and board washable, insert "B" then "V" between catalog series and amp rating. E.g., BK-MDL-BV-5-R * Shock: 1A thru 30A - MIL-STD-202, Method 207, (HI Shock) * Vibration: 1/4A thru 30A - MIL-STD-202, Method 204, Test Condition C (Except 5g, 500HZ) Part Number MDL-1/16-R MDL-1/10-R MDL-1/8-R MDL-3/16-R MDL-2/10-R MDL-1/4-R MDL-3/10-R MDL-3/8-R MDL-1/2-R MDL-3/4-R MDL-1-R MDL-1-1/4-R MDL-1-1/2-R MDL-2-R MDL-2-1/4-R MDL-2-1/2-R MDL-3-R MDL-4-R MDL-5-R MDL-6-R MDL-6-1/4-R MDL-7-R MDL-8-R MDL-9-R MDL-10-R MDL-15-R MDL-20-R MDL-25 MDL-30 Voltage Rating Vac 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 32 32 32 32 32 32 Specifications AC Interrupting Rating* (amps)@ 250Vac 125Vac 32Vac 35 35 35 35 35 35 35 35 35 35 35 100 100 100 100 100 100 200 200 200 200 200 200 - 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 - 1000 1000 1000 1000 1000 1000 Typical DC Cold Resistance** () * Interrupting Ratings (Interrupting ratings were measured at 70% - 80% power factor on AC) ** DC Cold Resistance (Measured at 10% of rated current) Typical Melting I 2t (A 2Sec) (I 2t was measured at listed interrupting rating and rated voltage.) Typical Voltage Drop (Voltage drop was measured at 25C3C ambient temperature at rated current) MDL-25 & MDL-30 not available in RoHS compliant construction. 45.6 15.68 12.238 4.81 5.234 3.208 2.046 1.567 0.943 0.397 0.273 0.205 0.156 0.116 0.096 0.081 0.057 0.038 0.025 0.022 0.02 0.018 0.015 0.012 0.01 0.005 0.004 0.01225 0.0011 Typical Melting I 2t 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 38.7 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 1.05 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 0.152 0.140 0.119 0.124 0.114 0.130 0.530 0.30 0.40 MDL 1/4" x 1 1/4" Time-delay glass tube fuses Technical Data 2004 Effective June 2017 Time-Current Curve Dimensions - mm (in) Drawing Not to Scale Current in Amps 32.82 (1.292) 38.10 (1.500) 6.76 (0.266) 38.10 (1.500) DIA. OF LEADS 0.81 0-15 AMP: (0.032) 20-30 AMP: 1.02 (0.040) 6.35 (0.250) Time in Seconds Time in Seconds 31.75 (1.250) Current in Amps Packaging Code BK BK1 BK8 Option Code B V Packaging Code Description 100 fuses packed into a cardboard carton 1,000 fuses packed into a cardboard carton 8,000 fuses packed into a cardboard carton Option Code Description Sealed to withstand aqueous cleaning (Board Washable) Axial leads - copper tinned wire with nickel plated brass overcaps Life Support Policy: Eaton 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. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Eaton Electronics Division 1000 Eaton Boulevard Cleveland, OH 44122 United States www.eaton.com/electronics (c) 2017 Eaton All Rights Reserved Printed in USA Publication No. 2004 SB-BU08675 June 2017 Eaton is a registered trademark. All other trademarks are property of their respective owners.