Axial Lead and Cartridge Fuses 5x20mm > Time-Lag > 977 Series 977 Series, PS E 5 x 20mm, Time-Lag (Slo-Blo®) Fuse Description 450Vdc/500Vac rated, 5x20mm, Time-Lag, surge withstand, ceramic body, cartridge fuse. Features t %FTJHOFEUP International (IEC) Standards for use globally t "WBJMBCMFJO$BSUSJEHF BOE"YJBMMFBE'PSN t 3PITDPNQMJBOUBOE1C free t 'PMMPXUIF*&$ Sheet 5 specification GPS5JNF-BH'VTFT Agency Approvals Applications PS E Agency File Number Cartridge Certificates: /#,+1" /#,+1$ /#,+1" Leaded Certificates: /#,+1# /#,+1% /#,+1# Cartridge Certificates: Leaded Certificates: Ampere Range *OWFSUFSJO-$%CBDLMJHIUVOJU%$TJEFPGBJSDPOEJUJPOFST QIBTFQPXFSTVQQMJFT)JHIFS&OFSHZBOE1PXFS&GåDJFOU applications. "o" "o" " Electrical Characteristics for Series "o" "o" " % of Ampere Rating N"o" N"o" N"o" © 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 Ampere Rating Opening Time N"oN" NJOVUFT.JOJNVN "o" NJOVUFT.JOJNVN "o" NJOVUFT.JOJNVN "o" NJOVUFT.JOJNVN N"oN" NJOVUFT.BYJNVN "o" NJOVUFT.BYJNVN "o" NJOVUFT.BYJNVN "o" NJOVUFT.BYJNVN N"oN" NT.JOTFDT.BY "o" NT.JOTFDT.BY "o" NT.JOTFDT.BY "o" NT.JOTFDT.BY N"oN" NT.JOTFDT.BY "o" NT.JOTFDT.BY "o" NT.JOTFDT.BY "o" NT.JOTFDT.BY N"oN" NT.JONT.BY "o" NT.JONT.BY "o" NT.JONT.BY "o" NT.JONT.BY 977 Series 977 Series Agency Introduction Circuit Protection Axial Lead to and Cartridge Fuses Transientology 5x20mm > Time-Lag > 977 Series Electrical Characteristic Voltage Rating Amp Code Amp Rating AC DC Interrupting Rating Nominal Cold Resistance (milli-ohms) Nominal Melting 2 I t (A2 sec.) Agency Approvals PS E .500 0.5 500 450 0.3 500 450 002. 2 500 450 44.5 x x 500 450 x x x x x x 004. 4 500 450 005. 5 500 450 500 450 500 450 "!7BD "!7ED x x x x 233 x x 500 450 x 500 450 x 500 450 x 977002 9773.15 977004 977005 97706.3 977008 977010 977012 977016 977.800 Average Time Current Curves 977.500 Temperature Rerating Curve 10000 1000 Time in Seconds 100 10 1 0.1 0.01 0.001 0.01 0.1 1 10 100 1000 Current in Amperes 977 Series 2 © 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 Recommended Process Parameters: 280 260 Wave Parameter 240 220 Lead-Free Recommendation 200 Preheat: 180 %FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO 160 5FNQFSBUVSF.JOJNVN ° C 140 5FNQFSBUVSF.BYJNVN 1SFIFBU5JNF ° C TFDPOET Solder Pot Temperature: ° $.BYJNVN Solder Dwell Time: 2-5 seconds 120 100 80 60 40 240 230 220 210 200 190 180 170 160 150 140 130 120 110 90 100 80 70 60 50 40 30 0 0 20 20 10 Temperature (°C) - Measured on bottom side of board 300 Recommended Hand-Solder Parameters: Time (Seconds) Cooling Time Preheat Time Solder Iron Temperature: 350° C +/- 5°C Heating Time: 5 seconds max. Dwell Time Note: These devices are not recommended for IR or Convection Reflow process. Materials Body: Ceramic Cap:/JDLFMoQMBUFE#SBTT Leads:5JOoQMBUFE$PQQFS Operating Temperature o$UP$ Terminal Strength .*-45%(.FUIPE"5FTU $POEJUJPO" Thermal Shock .*-45%(.FUIPE(5FTU $POEJUJPO#DZDMFTo$UP $ Solderability 3FGFSFODF*&$4FDPOE&EJUJPO "OOFY" Vibration .*-45%(.FUIPE" Product Marking Cap 1:#SBOEMPHPDVSSFOUBOEWPMUBHF ratings Cap 2:4FSJFTBOEBHFODZBQQSPWBM NBSLJOHT Humidity .*-45%(.FUIPE#5FTU $POEJUJPO")JHI3) BOE FMFWBUFEUFNQ$ GPSIPVST Salt Spray .*-45%(.FUIPE%5FTU Condition B © 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 Product Characteristics Introduction Circuit Protection Axial Lead to 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 ø6.0 MAX Quantity Code M = 1000 ø0.65* Packaging Code 0977002.XEP to 0977016.XEP X = Filler ø5.8 MAX Option Codes E ø0.65* : Axial Leaded Fuse P: Lead-free Others : Special options. Please call Littelfuse for detail. * Ratings above 5A ø1 Lead. * For 977 16A ø1.2 Lead. Packaging Packaging Option 977 Series #VML #VML 977 Series Packaging Specification Quantity Quantity & Packaging Code Reel Size /" /" .9 .9& /" /" 4 © 2010 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/977.html for current information.