Axial Lead & Cartridge Fuses 520 mm > Time-Lag > 835 Series PS RoHS Pb E 835 Series, 520 mm, Time-Lag Fuse Description The 835 Series is a 5x20mm time-lag, ceramic body AC 2 fuse with higher I t, high interrupting rating, and 1.5kA surge withstand capability. This series fuse provides enhanced over-current protection and surge withstand capability, ideal for LED/LCD TVs, digital display systems, and digital signage type of display applications. It is RoHS compliant and 100% Pb-Free. Agency Approvals Features 2 Higher I t and 1.5kA Recognized to UL/CSA/ Agency Agency File Number Ampere Range Surge Withstand NMX 248-1 and UL/CSA/ R50282025 4A-8A Capability NMX 248-14 SU05001-14001A 4A-6.3A High breaking capacity Conforms to EN/J/K SU05001-14002 8A 60127-1, EN/J/K 60127-2 Operating temperature 2020970207000047 4A-8A and EN 60127-7 range from -55C to E10480 4A-8A 125C Conforms to GB 9364.1 Cartridge: and GB 9364.2 NBK080205-E10480A 4A-5A RoHS compliant and NBK250702-E10480E 6.3A-8A PS E Lead-free Leaded: NBK080205-E10480B 4A-5A NBK250702-E10480F 6.3A-8A Transient Surge Ratings Applications LED/LCD TVs White Goods Surge Wave Short-Circuit Number of Ampere Rating Form Current Pulses Digital Display Systems Power Supply Units 2 8/20s 1,500A 12 4A-8A Digital Signage Notes: 1. Transient surge ratings are provided for reference only and may not represent surge withstand capability in the end application. Factors including, but not limited to, series impedance, mounting, and wiring may affect surge withstand capability. 2. In accordance with IEC 60060-1, front time = 8s and time to half-value = 20s Additional Information Electrical Characteristics for Series % of Ampere Ampere Rating Opening Time Rating 4A-6.3A 60 minutes, Minimum 150% 8A 30 minutes, Minimum Datasheet Resources Samples Accessories 210% 30 minutes, Maximum For recommended fuse accessories for this product series, see Recommended Accessories section. 275% .75 sec. Min. 80 secs. Max. 4A-8A 400% .150 sec. Min. 5 secs. Max. 1000% .010 sec. Min150 sec. Max. Electrical Characteristic Specifications by Item Agency Approvals Nominal Melting Amp Amp Voltage Rating Interrupting Nominal Cold 2 I t PS Code Rating (V) Rating Resistance (Ohms) 2 E (A sec) 004. 4 0.0183 110 x x x x x 005. 5 0.0155 155 x x x x x 250 1500A 250VAC 06.3 6.3 0.0118 300 x x x x x 008. 8 0.0092 230 x x x x x 2 I t tested at 10x rated current 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BO.11/13/20Axial Lead & Cartridge Fuses 520 mm > Time-Lag > 835 Series Temperature Rerating Curve Average Time Current Curves 10000 1000 100 10 1 0,1 0,01 0,11 10 1001000 Amps Product Characteristics Body: Ceramic Materials Cap: Nickelplated Brass Leads: Tinplated Copper Terminal Strength MIL-STD-202, Method 211, Test Condition A Solderability IEC 60068-2-20, Method 1 (235C) Cap 1: Brand logo, current and voltage ratings Product Marking Cap 2: Agency approval markings Packaging Packed 1000 pieces on bulk Operating 55C to +125C Temperature MIL-STD-202, Method 107, Test Condition B (5 Thermal Shock cycles, 65C to +125C) Vibration MIL-STD-202, Method 201 MIL-STD-202, Method 103, Humidity Test Condition A: High relative humidity (95%) and elevated temperature (40C) for 240 hours Salt Spray MIL-STD-202, Method 101, Test Condition B Soldering Parameters - Wave Soldering Recommended Process Parameters: 300 280 Wave Parameter Lead-Free Recommendation 260 Preheat: 240 (Depends on Flux Activation Temperature) (Typical Industry Recommendation) 220 200 Temperature Minimum: 100C 180 Temperature Maximum: 150C 160 Preheat Time: 60-180 seconds 140 120 Solder Pot Temperature: 260C Maximum 100 Solder Dwell Time: 2-5 seconds 80 Recommended Hand-Solder Parameters: 60 Solder Iron Temperature: 350C +/- 5C 40 Heating Time: 5 seconds max. 20 Note: These devices are not recommended for IR or Convection Reflow process. 0 Time (Seconds) Preheat Time Cooling Time Dwell Time 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BO.11/13/20 Temperature (C) - Measured on bottom side of board 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 Time (seconds) 0835004. 0835005. 083506.3 0835008.