MDA-1/8

Effective November 2021 Supersedes August 2020 Technical Data 2002 MDA 1/4” x 1 1/4” Time-delay ceramic tube fuses Pb HALOGEN HF FREE Agency information • UL Listed Card: MDA 1/4 - 20 A (Guide JDYX, File E19180) • UL Recognized Card: MDA 25 - 30 A (Guide JDYX2, File E19180) • CSA Certification Card: MDA 1/4 - 20 A (Class No. 1422-01) • CSA Component Acceptance: MDA 25 - 30 A (Class No. 1422-30) General specifications • Product features • • • • • • Time-delay Optional axial leads available 1/4” x 1-1/4” (6.35 x 31.75 mm) physical size Ceramic tube, nickel-plated brass endcap construction UL Listed product meets standard 248-14 Ordering • Rated current 1/4 - 30 A Shock: 1 A thru 30 A – MIL-STD-202, Method 213, Test Condition J Vibration: 1/4 A thru 30 A – MIL-STD-202, Method 204, Test Condition C (Except 5 g, 500 Hz) Electrical characteristics Amp rating Opening time 100% None 135% 60 minutes max. 200% 120 seconds max. Specify packaging code prefix, part number and and option code. Replace the "/" with a "-" (i.e. BK-MDA-BV-1-4-R) Specifications Part number MDA-1/4-R MDA-1/2-R MDA-3/4-R MDA-1-R MDA-1-1/2-R MDA-2-R MDA-2-1/2-R MDA-3-R MDA-4-R MDA-5-R MDA-6-R MDA-7-R MDA-8-R MDA-10-R MDA-12-R MDA-15-R MDA-20-R MDA-25-R MDA-30-R Voltage rating Vac Vdc 250 250 250 250 250 250 125 250 125 250 125 250 125 250 125 250 125 250 250 125 125 250 125 250 125 250 250 125 250 125 250 125 AC interrupting rating* (A) 250 V 125 V 35 10000 35 10000 35 10000 35 10000 100 10000 100 10000 200 10000 200 10000 200 10000 200 10000 200 10000 200 10000 200 10000 200 10000 750 10000 750 10000 1500 10000 1500 10000 1500 10000 DC interrupting rating (A) 125 V 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 10000 Typical DC cold resistance** (Ω) 8.7 1.78 0.82 0.56 0.2565 0.17 0.068 0.0525 0.03575 0.0256 0.02035 0.0165 0.013 0.00925 0.00755 0.00565 0.004065 0.0031 0.002465 Typical Typical voltage drop‡ melting I2t† AC 0.748 4.00 2.53 1.42 8.58 1.31 12.21 1.03 27.5 0.691 70.4 0.623 31.79 0.213 44.99 0.182 147.4 0.162 380.49 0.145 587.73 0.141 638.33 0.137 1038.4 0.134 1620.43 0.135 125.18 0.128 336.82 0.107 483.45 0.095 734.69 0.105 1096.7 0.110 * Interrupting ratings (Measured at 70% - 80% power factor on AC. The interrupting ratings for 25 A, 30 A were measured at 90% - 100% power factor on AC) ** DC Cold resistance (Measured at _