BK1/S501-400-R

Effective June 2017 Supersedes March 2011 Technical Data 2051 S501 5 mm x 20 mm Fast-acting ceramic tube fuses Agency information • • • • • • • Product features cURus: File E19180, Guide JDYX2, JDYX8 CSA Component Acceptance: File 53787 SEMKO Approval: File 413779 VDE Approval: File 40015517 IMQ Approval: File EB405 CCC Approval: File 2005010207155691 BSI Approval: File KM55676 Ordering information Fast-acting high breaking capacity Optional axial leads available 5 mm x 20 mm physical size Ceramic tube with silver-plated (50 mA-400 mA) and nickel-plated (500 mA-10 A) endcaps. • Designed to IEC 60127-2 • • • • • Specify packaging, product and option code • Ratings above 6.3 A have a 0.8 mm diameter lead • With TR2 packaging code, lead wire length is 19.05 mm In 50mA-4A 5A-6.3A 8A-10A Product Code S501-50-R S501-63-R S501-80-R S501-100-R S501-125-R S501-160-R S501-200-R S501-250-R S501-315-R S501-400-R S501-500-R S501-630-R S501-800-R S501-1-R S501-1.25-R S501-1.6-R S501-2-R S501-2.5-R S501-3.15-R S501-4-R S501-5-R S501-6.3-R S501-8-R S501-10-R Voltage Interrupting Rating at Rating Rated Voltage (50Hz) Vac Vac 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 250 1500 Typical DC Cold Resistance (Ω)* 157.5 39.0 27.9 20.0 12.3 8.5 6.0 4.4 3.3 2.2 0.460 0.340 0.245 0.231 0.176 0.113 0.073 0.053 0.037 0.027 0.019 0.014 0.009 0.008 Specifications Electrical Characteristics 1.5 In 2.1 In 2.75 In 4 In min max min max min max 60 min 30 min 10 ms 2 sec 3 ms 300 ms 60 min 30 min 10 ms 3 sec 3 ms 300 ms 30 min 30 min 40 ms 20 sec 10 ms 1s Typical Typical Melting I 2t Voltage (amps) Drop (mV)† 0.0017 9000 0.0005 3300 0.0011 2600 0.0018 2300 0.0037 1900 0.008 1600 0.02 1350 0.027 1300 0.01 1400 0.018 1200 0.038 1050 0.064 1200 0.097 490 0.146** 330 0.313** 297 0.748** 239 2.0 205 3.9 190 8.1 160 14 160 25 155 48 150 104 102 155 111 * DC Cold Resistance (measured at