Axial Lead and Cartridge Fuses 5x20 mm > Time Lag > 977 Series 977 Series, 5x20 mm, Time Lag (Slo-Blo) Fuse Description 450Vdc/500Vac rated, 5x20mm, Time lag, surge withstand, ceramic body, cartridge fuse Features Designed to International (IEC) Standards for use globally. Follow the IEC 60127-2,Sheet 5 specification for Time lag Fuses. Available in Cartridge and Axial lead Form . Rohs compliant and Pb-free.. Agency Approval Application Agency Approvals Ampere Range Inverter in LCD backlight unit, DC side of air-conditioners, Cartridge 3-phase power supplies, Higher Energy and Power NBK040609-JP1021A 2A 5A NBK040609-JP1021C 6.3A 12A Efficient applications. NBK100408-JP1021A 16A Certificate No. Leaded Electrical Characteristics NBK040609-JP1021B 2A 5A NBK040609-JP1021D 6.3A -12A NBK100408-JP1021B 16A % of Ampere Rating and Opening Time Cartridge Rated Current 1.5In 2.1In 2.75 In 4 In 10 In 500mA-8A No.1010769 Certificate No. Leaded MIN MAX MIN MAX MIN MAX MIN MAX No.1010769 500mA-8A 500mA 800mA 60 30 250 80 50 5 5 150 500mA 16A 2A 3.15A 60 30 750 80 95 5 10 150 4A 6.3A 60 30 750 80 150 5 10 150 8A 16A 30 30 750 80 150 5 10 150 min min ms sec ms sec ms ms Electrical Characteristics Nominal Cold Nominal Voltage Rating Agency Approvals Amp Amp Interrupting Resistance Melting I2T Code Rating Rating (milli-ohms) (A2Sec.) AC DC PSE Semko .500 0.5 500 450 945.0 0.3 X .800 0.8 500 450 417.0 0.8 X 002. 2 500 450 44.5 17 X X 3.15 3.15 500 450 27.5 58 X X 004. 4 500 450 18.4 124 X X 100A 500Vac 005. 5 500 450 11.9 91 X X 200A 450Vdc 06.3 6.3 500 450 9.1 188 X X 008. 8 500 450 8.0 233 X X 010. 10 500 450 7.2 249 X 012. 12 500 450 5.8 388 X 016. 16 500 450 3.9 725 XAxial Lead and Cartridge Fuses 5x20 mm > Time Lag > 977 Series Temperature Rerating Curve Average Time Current Curves