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| Axial Lead and Cartridge Fuses 5x20mm > Time-Lag > 977 Series 977 Series, 5 x 20mm, Time-Lag (Slo-Blo(R)) Fuse PS E Description 450Vdc/500Vac rated, 5x20mm, Time-Lag, surge withstand, ceramic body, cartridge fuse. Features International (IEC) Standards for use globally Sheet 5 specification Agency Approvals Applications Agency Agency File Number Ampere Range free Cartridge Certificates: applications. PS E Leaded Certificates: Electrical Characteristics for Series % of Ampere Rating Ampere Rating Opening Time Cartridge Certificates: Leaded Certificates: (c) 2010 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/977.html for current information. 1 Revised: November 18, 2010 977 Series 977 Series Introduction to Circuit Protection Axial Lead and Cartridge Fuses Transientology 5x20mm > Time-Lag > 977 Series Electrical Characteristic Voltage Rating Amp Code Amp Rating AC .500 002. 004. 005. 0.5 2 4 5 500 500 500 500 500 500 500 500 500 500 500 DC Interrupting Rating Nominal Cold Resistance (milli-ohms) Nominal Melting 2 I t (A2 sec.) 0.3 Agency Approvals PS E 450 450 450 450 450 450 450 450 450 450 450 44.5 x x x x x x x x x x x x x 233 x x x x Temperature Rerating Curve Average Time Current Curves 977.500 9773.15 977004 977005 97706.3 977008 977010 977012 977016 10 977.800 977002 10000 1000 100 Time in Seconds 10 1 0.1 0.01 0.001 0.01 0.1 1 100 1000 Current in Amperes 977 Series 2 (c) 2010 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/977.html for current information. Axial Lead and Cartridge Fuses 5x20mm > Time-Lag > 977 Series Soldering Parameters - Wave Soldering 300 Temperature (C) - Measured on bottom side of board 280 260 240 220 200 180 160 140 120 100 80 60 40 20 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 10 20 30 40 50 60 70 80 90 0 0 Recommended Process Parameters: Wave Parameter Preheat: Lead-Free Recommendation C C Solder Pot Temperature: Solder Dwell Time: 2-5 seconds Time (Seconds) Preheat Time Dwell Time Cooling Time Recommended Hand-Solder Parameters: Solder Iron Temperature: 350 C +/- 5C Heating Time: 5 seconds max. Note: These devices are not recommended for IR or Convection Reflow process. Product Characteristics Materials Terminal Strength Solderability Cap 1: ratings Cap 2: Body: Ceramic Cap: Leads: Operating Temperature Thermal Shock Vibration Humidity Salt Spray Product Marking (c) 2010 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/977.html for current information. 3 977 Series 977 Series Condition B Introduction to Circuit Protection Axial Lead and Cartridge Fuses Transientology 5x20mm > Time-Lag > 977 Series Dimensions Part Numbering System 0977 xxxx M X E P 0977000.XP Series Amp Code Refer to Amp Code column of Electrical Characteristics Table 0977.500XEP to 0977.800XEP o6.0 MAX Quantity Code o0.65* M = 1000 Packaging Code 0977002.XEP to 0977016.XEP o5.8 MAX X = Filler Option Codes o0.65* E : Axial Leaded Fuse P: Lead-free * Ratings above 5A o1 Lead. * For 977 16A o1.2 Lead. Others : Special options. Please call Littelfuse for detail. Packaging Packaging Option 977 Series Packaging Specification Quantity Quantity & Packaging Code Reel Size 977 Series 4 (c) 2010 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/977.html for current information. |
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