BK/ATM-7-1/2

Effective January 2019 Supersedes December 2015 Technical Data 2048 BUSSMANN SERIES ATM blade fuses Catalog symbol • Dimensions — in ATM-_ Description 0.43 (10.92) 0.15 (3.81) A range of UL® Listed fast-acting miniature blade fuses for automotive and low-voltage circuits. 0.344 ± 0.006 (8.75 ± 0.15) Ratings • Volts: 32 Vac/dc • Amps: 2 to 30 A • Interrupting rating: 1 kA 0.295 ± 0.012 (7.5 ± 0.3) Operating @ 23°C* Agency information HALOGEN HF FREE % of fuse amp rating Min 110% 100 hrs Max — • UL Listed, Guide FHXT, File AU169 135% 0.75 sec 600 sec • ISO 8820-3 / JASO D612 / SAE J2077 and J1171 ignition protection 160% 0.25 sec 50.0 sec 200% 0.15 sec 5.0 sec 350% 0.04 sec 0.5 sec 600% 0.02 sec 0.1 sec Materials • • Silver-plated zinc terminals and element Polyamide housing with UL 94 HB flammability rating Environmental • • Features Operating temperature range -40°C to +80°C, 95% RH non-condensing Storage temperature range -5°C to +35°C or lower, 85% RH non-condensing Basic catalog numbers Cat. no. (amp) ATM-1* ATM-2 ATM-3 ATM-4 ATM-5 ATM-7-1/2 * Fuse characteristics may vary according to the conditions under which they are used. Fuse derating with change in ambient temperature: -0.15% / 1°C. • Halogen free and RoHS compliant • Test points on fuse housing speeds troubleshooting • Industry standard color coded by amp rating Typical applications Cat. no. Color code (amp) Black ATM-10 Gray ATM-15 Violet ATM-20 Pink ATM-25 Tan ATM-30 Brown Color code Red Blue Yellow Clear Green * Available only in traditional and bulk pack. Packaging codes Package type Cat. no. configuration Contents Traditional ATM-(amp) 5 fuses in a tin Reload ATM-(amp)RLD* 10 fuses in a polybag Retail pack BP/ATM-(amp)-RP 5 fuses in a blister card Value pack VP/ATM-(amp)-RP 25 fuses in a clamshell pack Bulk pack BK/ATM-(amp) 500 fuses in a carton * Not available for the 4 amp ATM fuses. • Automotive • Low voltage control circuits Recommended fuse holders, add-a-circuit and fuseclips Part number Max volts/ amps Leadwire HHH Add-a-circuit for additional fused circuit on a block 32V/10A 5”/#16 HHL Inline fuse holder with cover 32V/20A 2x4”/#16 HHM Inline fuse holder with cover 32V/30A 2x4”/#12 HHU Water resistant inline fuse holder with cover 32V/30A 2x4”/#12 ATM-FHID Indicating inline fuse holder with cover 32V/20A 2x4”/#16 1A5778** PCB fuse clip 32V/15A — PCB fuse clip with 1A5779** nylon base 32V/15A — Description ** See data sheet no. 2131 for details. Technical Data 2048 ATM blade fuses Effective January 2019 Time-current characteristic curves — average melt 1A 10,000 10 A 3 A 4 A 5 A 7-1/2 A 2A 15 A 30 A 20 A 25 A Time in seconds 1000 100 10 1 0.1 0.01 1 2 3 4 5 6 7 8 9 10 Electrical characteristics Fuse amps 1 2 3 4 5A 7-1/2 10 15 20 25 30 Resistance 121 mΩ 49.7 mΩ 29.6 mΩ 23.8 mΩ 16.7 mΩ 11.1 mΩ 7.82 mΩ 4.93 mΩ 3.48 mΩ 2.58 mΩ 2.12 mΩ Current in amps 100 1000 Voltage drop 175 mV 140 mV 140 mV 136 mV 112 mV 112 mV 106 mV 99 mV 95 mV 92 mV 86 mV The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. 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. Once a product has been selected, it should be tested by the user in all possible applications. Eaton 1000 Eaton Boulevard Cleveland, OH 44122 Eaton.com For Eaton’s Bussmann series product information, call 1-855-287-7626 or visit: Eaton.com/bussmannseries Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries © 2019 Eaton All Rights Reserved Printed in USA Publication No. 2048 — BU-SB15054 January 2019 Eaton and Bussmann are valuable trademarks of Eaton in the US and other countries. You are not permitted to use the Eaton trademarks without prior written consent of Eaton. Follow us on social media to get the latest product and support information.