Effective June 2017 Technical Data 2004 Supersedes February 2009 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 Specify packaging code Product features Insert packaging code prefix before part number. E.g., BK (or BK1)-MDL-5-R Time-delay Specify option codes if desired Optional axial leads available For axial leads, insert V between catalog series and amp 14 x 1 14 (6.4 x 31.7mm) physical size rating. E.g., BK-MDL-V-5-R Glass tube, nickel-plated brass endcap construction For board washable, insert B between catalog series and UL Listed product meets standard 248-14 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 Environmental data 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) Speci cations Voltage Typical DC Cold Typical Typical 2 AC Interrupting Rating* (amps) Part Rating Resistance** Melting I t Voltage Number Vac 250Vac 125Vac 32Vac () AC Drop MDL-1/16-R 250 35 10000 - 45.6 0.0046 2.79 MDL-1/10-R 250 35 10000 - 15.68 0.0420 1.95 MDL-1/8-R 250 35 10000 - 12.238 0.0422 1.52 MDL-3/16-R 250 35 10000 - 4.81 0.116 1.05 MDL-2/10-R 250 35 10000 - 5.234 0.314 0.972 MDL-1/4-R 250 35 10000 - 3.208 0.447 0.965 MDL-3/10-R 250 35 10000 - 2.046 0.412 0.808 MDL-3/8-R 250 35 10000 - 1.567 0.982 1.46 MDL-1/2-R 250 35 10000 - 0.943 1.656 1.27 MDL-3/4-R 250 35 10000 - 0.397 4.343 1.01 MDL-1-R 250 35 10000 - 0.273 11.498 0.995 MDL-1-1/4-R 250 100 10000 - 0.205 86.2 0.722 MDL-1-1/2-R 250 100 10000 - 0.156 22.7 0.721 MDL-2-R 250 100 10000 - 0.116 62.3 0.644 MDL-2-1/4-R 250 100 10000 - 0.096 49.6 0.535 MDL-2-1/2-R 250 100 10000 - 0.081 63.1 0.410 MDL-3-R 250 100 10000 - 0.057 67.5 0.345 MDL-4-R 250 200 10000 - 0.038 19.3 0.187 MDL-5-R 250 200 10000 - 0.025 32.0 0.160 MDL-6-R 250 200 10000 - 0.022 37.4 0.155 MDL-6-1/4-R 250 200 10000 - 0.02 38.7 0.152 MDL-7-R 250 200 10000 - 0.018 42.7 0.140 MDL-8-R 250 200 10000 - 0.015 47.8 0.119 MDL-9-R 32 - - 1000 0.012 51.5 0.124 MDL-10-R 32 - - 1000 0.01 64.4 0.114 MDL-15-R 32 - - 1000 0.005 354.0 0.130 MDL-20-R 32 - - 1000 0.004 2914.0 0.530 MDL-25 32 - - 1000 0.01225 15221.0 0.30 MDL-30 32 - - 1000 0.0011 15581.0 0.40 * Interrupting Ratings (Interrupting ratings were measured at 70% - 80% 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 25C3C ambient temperature at rated current) MDL-25 & MDL-30 not available in RoHS compliant construction.Time in Seconds MDL Technical Data 2004 Effective June 2017 1/4 x 1 1/4 Time-delay glass tube fuses Time-Current Curve Dimensions - mm (in) Current in Amps Drawing Not to Scale 38.10 32.82 38.10 (1.500) (1.292) (1.500) 6.76 DIA. OF LEADS (0.266) 0.81 015 AMP: (0.032) 1.02 2030 AMP: (0.040) 31.75 6.35 (1.250) (0.250) Current in Amps Packaging Code Packaging Code Description BK 100 fuses packed into a cardboard carton Option Code Option Code Description B Sealed to withstand aqueous cleaning (Board Washable) V 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 2017 Eaton Eaton is a registered trademark. All Rights Reserved Printed in USA All other trademarks are property Publication No. 2004 SB-BU08675 of their respective owners. June 2017 Time in Seconds