Fuse Datasheet 881 Series High-Current SMD Fuse RoHS Pb Description This high-current SMD fuse is a small, square, surface mount fuse that is designed as supplemental overcurrent protection for high-current circuits in various applications. Features & Benefits Heat resistant plastic body, Halogen-free and RoHS UL 94 V-0 compliant Meets Littelfuse Automotive UL Recognized to UL/CSA/ qualifications* NMX 248-1 Low voltage drop CE Mark indicates compliance with Low-Voltage High Reliability Solderless and RoHS Directives Fuse Conforms to IEC/EN 60127-1 High pulse resistance and IEC/EN 60127-7 Compatible with lead- free solders and higher temperature profiles Additional Information * Largely based on Littelfuse internal AEC-Q200 test plan. Applications Blade Ser vers Routers High-power Battery Systems Resources Accessories Samples Power Factor Correction (PFC) in high wattage power supplies Power Distribution Units (PDUs) Agency Approvals Electrical Characteristics for Series Agency Agency File Number Ampere Range % of Ampere Rating Opening Time E71611 60 A 100 A 100% 1 Hour, Min. J50501628 60 A 100 A 200% 60 Seconds, Max. Electrical Specifications by Item Agency Approvals Nominal Cold Nominal Ampere Max Voltage Interrupting Nominal Voltage Amp Code Resistance Melting ** Rating (A) Rating (V) Rating*** Drop * (mV) 2 2 (mOhms) I t (A sec) 1500 A 75 VDC 1000 A 100 VDC 60 060. 115VDC 0.8 75 1050 X X 500 A 115 VDC 6000 A 24 VDC IR/ 350 A 125 VDC 70 070. 0.74 85 1250 X X 1500 A 75 VDC 80 080. 0.56 80 3300 X X 1000 A 100 VDC 100VDC 90 090. 6000 A 24 VDC 0.54 85 4300 X X IR/ 350 A 125 VDC 100 100. 0.45 80 6900 X X * Nominal Voltage Drop measured at 100% rated Current. 2 ** Nominal Melting I t measured at 1500A. *** Interrupting Rating may differ based on Agency Approval. See Agency Approval certificate for more details. Thermal Characteristics Typical Case Temperature Rise (C) * Ampere Rating In (A) 50%I 75%I 100%I n n n 60 14 35 60 70 15 37 70 80 16 39 85 90 19 49 105 100 23 53 120 * Typical values based on tests conducted with fuse mounted on FR-4 circuit board of 0.062 (1.6 mm) thickness with 6 oz. (210 m) Cu. 2021 Littelfuse, Inc. 6 Specifications are subject to change without notice. Revised: GD. 10/14/21Fuse Datasheet 881 Series High-Current SMD Fuse Temperature Re-rating Curve Average Time Current Curves 160 100 140 10 120 100 1 80 0.1 25C 60 0.01 40 -60C -40C -20C 0C 20C 40C 60C 80C 100C 120C 0.001 -76F -40F -4F 32F 68F 104F 140F 176F 212F 248F 10 100100010000 AMBIENT TEMPERATURE Current in Amperes Note: 1. Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. Example: For continuous operation at 70C, the fuse should be re-rated as follows: I = (0.75)(0.90)I = (0.675)I n n 2. The temperature re-rating curve represents nominal conditions. For questions about the temperature re- rating curve, please consult Littelfuse technical support assistance. Soldering Parameters Reflow Condition PbFree assembly Number of allowed reflow cycles 3 t P T P - Temperature Min (T ) 150 C Critical Zone s(min) Ramp-up TL to TP Pre Heat - Temperature Max (T ) 200 C s(max) T L - Time (Min to Max) (t ) 60 180 secs t s L T S(max) Average ramp up rate (Liquidus Temp (T ) to peak 5 C/second max. L Ramp-down T to T - Ramp-up Rate 5 C/second max. S(max) L Preheat - Temperature (T ) (Liquidus) 217 C T L S(min) Reflow t S - Temperature (t ) 60 150 seconds L +0/5 Peak Temperature (T ) 260 C P 25 Time within 5C of actual peak Temperature (t ) 20 40 seconds p time to peak temperature Time (t 25C to peak) Ramp-down Rate 5 C/second max. Time 25C to peak Temperature (T ) 8 minutes max. P Do not exceed 260 C 2021 Littelfuse, Inc. 7 Specifications are subject to change without notice. Revised: GD. 10/14/21 PERCENT OF RATING Time in second 60A 70A 80A 90A 100A Temperature
