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 ()* 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 <10% of rated current) ** I 2t of 1A, 1.25A & 1.6A is measured at 10I n DC Typical Voltage Drop (voltage drop was measured at 20C ambient temperature at rated current) CSA approvals on these ratings will not be marked on the fuse cap Agency Approvals IMQ VDE BSI SEMKO cURus X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X CCC X X MITI/ JET X X X X X X X X X X X X X X X X X X X X X X X 10 In max 20 ms 20 ms 30 ms CSA X X X X X X X X X X X X X X X X X X X X X S501 5 mm x 20 mm Fast-acting ceramic tube fuses Technical Data 2051 Effective June 2017 Time -Current Curve Dimensions - mm Drawing Not to Scale Packaging Code BK BK1 TR2 Option Code V Packaging Code Description 100 fuses packed into a cardboard carton 1000 fuses packed into a poly bag 1500 fuses packed into tape on a reel (19.05 mm lead wire length) Option Code Description Axial leads - copper tinned wire with nickel-plated brass endcaps 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. 2051 BU-SB11296 June 2017 Eaton is a registered trademark. All other trademarks are property of their respective owners. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Eaton: BK/S501-63-R BK/S501-250-R BK/S501-80-R BK/S501-8-R BK/S501-6.3-R BK/S501-50-R BK/S501-5-R BK/S501-500-R BK/S501-3.15-R BK/S501-200-R BK/S501-2.5-R BK/S501-2-R BK/S501-160-R BK/S501-125-R BK/S501-100-R BK/S501-4-R BK/S501-800-R S501-10-R BK1-S501-630-R BK-S501-1-R BK-S501-630-R S501-1R S501-315-R S501-400-R S501-630-R BK1-S501-1-6-R BK1-S501-2-5-R BK-S501-V-1-6-R S501-1-25A S501-16A S501-1-6-R S501-2-5-R TR2-S501-V-6-3R BK-S501-10-R BK1-S501-100-R BK1-S501-10-R BK1-S501-125-R BK1-S501-160-R BK1-S501-1-R BK1-S501-200-R BK1-S501-250-R BK1-S501-2-R BK1-S501-315-R BK1-S501400-R BK1-S501-4-R BK1-S501-500-R BK1-S501-50-R BK1-S501-5-R BK1-S501-63-R BK1-S501-800-R BK1S501-80-R BK1-S501-8-R BK-S501-125MA BK-S501-160MA BK-S501-2A BK-S501-800MA BK-S501-V-100-R BKS501-V-10A BK-S501-V-10-R BK-S501-V-125-R BK-S501-V-160-R BK-S501-V-1-R BK-S501-V-200-R BK-S501-V250-R BK-S501-V-2-5-R BK-S501-V-2-R BK-S501-V-3-15R BK-S501-V-4-R BK-S501-V-500-R BK-S501-V-50-R BK-S501-V-5-R BK-S501-V-63-R BK-S501-V-63R81 BK-S501-V-800-R BK-S501-V-80-R BK-S501-V-8-R S501-100R S501-125-R S501-160-R S501-1A S501-200-R S501-250-R S501-2-R S501-315MA S501-400MA S501-4-R S501-500-R S501-50-R S501-5-R S501-630MA S501-63-R S501-800-R S501-80-R S501-8A S501-8-R BK1/S501-100-R BK1/S501-10-R BK1/S501-125-R BK1/S501-160-R BK1/S501-200-R