Resistors Resistors Make Possible MODEL MODEL BCN31 BCN31 BCN31 BCN31 Series Series R/2R Ladder Network Network 8R/2R Bit, Ladder 2512 Size 8 Bit, Film 2512 Size Thick Thick FilmChip Packages Leadless Leadless Chip Packages Features Features 8 bit ladder network in a 10 terminal leadless 8 bit package ladder network in a 10 terminal leadless chip chip package Convex termination with square edges and corners Convex with identification square edges and corners Topside termination marking for easy Topsideplated marking for easy identification Solder termination with nickel barrier Solder plated termination with nickel barrier All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) Benefits Benefits Saves board space Saves board Reduces costspace Reduces cost Single component reliability Single component reliability Leadless package offers improved performance Leadless package offers improved performance Applications Applications Termination network in analog to digital and digital to analog conversion circuits Termination network in analog to digital and digital to analog conversion circuits Electrical 1 Standard Resistance Range, Ohms 1K to 100K Standard Resistance Tolerance ±2% Operating Temperature Range -40°C to +125°C Temperature Coefficient of Resistance ±100ppm/°C Operating Voltage, Maximum 50Vdc or √pr Insulation Resistance Power Rating, Watts at 70°C Ladder Network Accuracy General Note General Note TT Electronics reserves the right to make changes in product specification without notice or liability. TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. © TT Electronics plc © TT Electronics plc 100 Megohms 25mW per Resistor / 400mW per Package 8 Bits: ±1/2LSB BI Technologies IRC Welwyn www.ttelectronicsresistors.com http://www.ttelectronics.com/resistors 09.14 06.17 MODEL BCN31 Make Possible BCN31 Series Environmental 1,000 hours at +40°C, 95% R.H. (3.0% ΔR) Moisture Resistance 1,000 hours at 70°C (3.0% ΔR) High Temperature Operation Short Time Overload 2.5 x rated voltage, 5 seconds (2.0% ΔR) Temperature Cycling -55°C to +125°C, 5 cycles (1.0% ΔR) 260°C for 10 seconds (1.0% ΔR) Resistance to Solder Heat 1,000 hours at 70°C (3.0% ΔR) Load Life Schematic 10 9 8 2R R 2R R R 2R 1 7 R 2R R 2R R 2R 2 6 2R R 2R 3 4 2R 5 Solder Pad Layout (Inch/mm) P Y A B Y X X C Wave Solder Process Re-Flow Solder Process P A B C X Y A B C X Y .050 .084 .148 .014 .036 .032 .084 .148 .014 .036 .032 1.27 2.10 3.70 0.35 0.90 0.80 2.10 3.70 0.35 0.90 0.80 General Note TT TT Electronics Electronics reserves reserves the the right right to to make make changes changes in in product product specification specification without without notice notice or or liability. liability. All All information information isis subject subject to to TT TT Electronics’ Electronics’ own own data data and and isis considered considered accurate accurate at at time time of of going going to to print. print. BI Technologies IRC Welwyn http://www.ttelectronics.com/resistors www.ttelectronicsresistors.com © TT Electronics plc 09.14 06.17 MODEL BCN31 Make Possible BCN31 Series Outline Dimensions (Inch/mm) .252±.008 6.4±0.20 Solder Termination .012±.006 0.30±0.15 L 253 .050±.002 1.27±.051 .012±.004 0.30±0.10 .122±.008 3.10±0.20 .022±.004 0.55±.10 .032±.004 0.80±0.10 Power Derating Curve Percent of Rated Power 100 80 60 40 20 0 -55 70 0 125 Ambient Temperature (˚ C) Standard Resistance Values, Ohms Value (R1/R2) 1K/2K 10K/20K 25K/50K 50K/100K 100K/200K 102 103 253 503 104 Code Ordering Information BCN 31 AB Model Series Width: 31 = 3.1mm Edge Option: AB = Square Edge, Convex Termination Circuit Type: L = Ladder L XXX G 7 LF LF: RoHS compliant Packaging Option: 7 = 7" Tape & Reel, 4K/Reel 13 = 13" Tape & Reel, 16K/Reel Tolerance: G = ±2% Resistance Code: 102 = 1K / 2K 103 = 10K / 20K 253 = 25K / 50K 503 = 50K / 100K 104 = 100K / 200K General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. BI Technologies IRC Welwyn www.ttelectronicsresistors.com http://www.ttelectronics.com/resistors © TT Electronics plc 09.14 06.17