Axial Lead & Cartridge Fuses 5×20mm > Time-Lag > 977 Series 977 Series, 5×20mm, Time-Lag Fuse RoHS Pb PS E Description 450Vdc/500Vac rated, 5×20mm, 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 Approvals Applications Agency PS E Agency File Number Cartridge: NBK040609-JP1021A NBK040609-JP1021C NBK100408-JP1021A Leaded: NBK040609-JP1021B NBK040609-JP1021D NBK100408-JP1021B 1410854 Ampere Range 2A – 5A 6.3A – 12A 16A 2A – 5A 6.3A – 12A 16A Electrical Characteristics for Series % of Ampere Rating 0.5A-8A N/A 0.5A-8A Resources 150% 210% Additional Information Datasheet Inverter in LCD backlight unit, DC side of air-conditioners, 3-phase power supplies, Higher Energy and Power Efficient applications. Samples 275% 400% 1000% © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 06/30/15 Ampere Rating Opening Time 0.5A – 8A 60 minutes, Minimum 2A – 3.15A 60 minutes, Minimum 4A – 6.3A 60 minutes, Minimum 8A – 16A 30 minutes, Minimum 0.5A – 8A 30 minutes, Maximum 2A – 3.15A 30 minutes, Maximum 4A – 6.3A 30 minutes, Maximum 8A – 16A 30 minutes, Maximum 0.5A – 8A 250 ms. Min.; 80 secs. Max. 2A – 3.15A 750 ms. Min.; 80 secs. Max. 4A – 6.3A 750 ms. Min.; 80 secs. Max. 8A – 16A 750 ms. Min.; 80 secs. Max. 0.5A – 8A 50 ms, Min.; 5 secs. Max. 2A – 3.15A 95 ms, Min.; 5 secs. Max. 4A – 6.3A 150 ms, Min.; 5 secs. Max. 8A – 16A 150 ms, Min.; 5 secs. Max. 0.5A – 8A 5 ms, Min.; .150 ms, Max. 2A – 3.15A 10 ms, Min.; .150 ms, Max. 4A – 6.3A 10 ms, Min.; .150 ms, Max. 8A – 16A 10 ms, Min.; .150 ms, Max. Axial Lead & Cartridge Fuses 5×20mm > Time-Lag > 977 Series Electrical Characteristic Voltage Rating Amp Code Amp Rating AC DC Interrupting Rating Nominal Cold Resistance (milli-ohms) Nominal Melting I2t (A2 sec.) Agency Approvals PS E .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 3.15 3.15 500 450 27.5 58 x x 004. 4 500 450 18.4 124 x x 005. 5 500 450 06.3 6.3 500 450 100A @ 500Vac 200A @ 450Vdc x 11.9 91 x x 9.1 188 x x x 008. 8 500 450 8.0 233 x 010. 10 500 450 7.2 249 x 012. 12 500 450 5.8 388 x 016. 16 500 450 3.9 725 x I2t test at 10x rated current. 977002 9773.15 977004 977005 97706.3 977008 977010 977012 977016 977.800 Average Time Current Curves 977.500 Temperature Re-rating Curve 10000 1000 Time in Seconds 100 10 1 0.1 0.01 0.001 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 0.1 10 1 100 1000 Current in Amperes © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/30/15 Axial Lead & Cartridge Fuses 5×20mm > Time-Lag > 977 Series Soldering Parameters - Wave Soldering Recommended Process Parameters: 280 260 Wave Parameter 240 220 Lead-Free Recommendation Preheat: 200 (Depends on Flux Activation Temperature) 180 160 140 120 100 80 60 40 (Typical Industry Recommendation) Temperature Minimum: 100°C Temperature Maximum: Preheat Time: 150°C 60-180 seconds Solder Pot Temperature: 260°C Maximum Solder Dwell Time: 2-5 seconds Time (Seconds) Cooling Time Preheat Time Dwell Time 240 230 220 210 200 190 180 170 160 150 140 130 120 110 90 100 80 70 60 50 40 30 0 0 20 20 10 Temperature (°C) - Measured on bottom side of board 300 Recommended Hand-Solder Parameters: Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. Product Characteristics Materials Body: Ceramic Cap: Nickel–plated Brass Leads: Tin–plated Copper Operating Temperature –55ºC to +125ºC Terminal Strength MIL-STD-202, Method 211, Test Condition A Thermal Shock MIL-STD-202, Method 107, Test Condition B (5 cycles, –65ºC to +125ºC) Solderability MIL-STD-202 Method 208 Vibration MIL-STD-202, Method 201 Product Marking Cap 1: Brand logo, current and voltage ratings Cap 2: Series and agency approval markings Humidity MIL-STD-202, Method 103, Test Condition A (High RH (95%) and elevated temp (40ºC) for 240 hours) Salt Spray MIL-STD-202, Method 101, Test Condition B © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/30/15 Axial Lead & Cartridge Fuses 5×20mm > Time-Lag > 977 Series Dimensions Part Numbering System 0977 xxxx M X E P 0977000.XP Series Amp Code 0977.500XEP to 0977.800XEP 40±1.0 Refer to Amp Code column of Electrical Characteristics Table 5.6±0.4 21.5±1.0 Quantity Code 0.65±0.05* M = 1000 Packaging Code 0977002.XEP to 0977016.XEP 40±1.0 5.5±0.3 21.5±1.0 X = Filler Option Codes E 0.65±0.05* : Axial Leaded Fuse P: Lead-free All dimensions in mm Notes: * Ratings above 5A 1.0±0.05 diameter lead. * For 977 16A 1.2±0.05 diameter lead. Others : Special options. Please call Littelfuse for detail. Packaging Packaging Option 977 Series Bulk Bulk Packaging Specification Quantity Quantity & Packaging Code Reel Size N/A N/A 1000 1000 MX MXE N/A N/A © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 06/30/15