MODEL 628 L Model 628 L Series · R/2R Ladder · .220” Small Outline · Thick Film DIP · Surface Mount · Resistor Networks Electrical Standard Resistance Range, Ohms 1K to 100K Standard Resistance Tolerance, at 25°C ±2% Operating Temperature Range -55°C to +125°C Temperature Coefficient of Resistance ±100ppm/°C 50Vdc or √PR Maximum Operating Voltage ≥10,000 Megohms Insulation Resistance Ladder Network Accuracy 8 Bits: ±1/2 LSB, -55°C to +125°C Mechanical Lead Material Copper Alloy, 96.5 / 3.5 SnAg (Dipped) Lead Configuration Gull Wing Lead Coplanarity ±0.002 in. (0.057mm) Substrate Material Alumina Resistor Material Cermet Body Material Epoxy Applicable Documents MIL-R-914 — Resistor Networks, Fixed, Film, Surface Mount Established Reliability General Specification MIL-STD-202 — Test Methods for Electronic and Electrical Component Parts EIA-481 — Carrier Taping of Surface Mount Components for Automatic Handling EIA-PDP-100 — SOGN-0002 Outline Dimensions Specifications subject to change without notice. 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. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT electronics plc 03.12 MODEL 628 L Model 628 L Series Outline Dimensions (Inch/mm) .090 2.29 Max. .445 11.30 .310 7.87 Max. .028 0.71 Typ. .220 ± .005 5.59 ± 0.13 .008 ± .005 0.20 ± 0.13 .008 0.20 Typ. .050 1.27 Typ. .016 Typ. 0.41 Note: Maximum Allowable Mold Excursion = 0.006” Schematics Model 628 L 8 Bits, 16 Leads Model 628 LN 8 Bits, 16 Leads 16 16 R R R R R R R 2R 2R 2R 2R 2R 2R 2R 1 2R R 2R R R R R R R 2R 2R 2R 2R 2R 2R 2R 2R 2R 1 Note: Custom circuits are available. Consult factory. 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. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT electronics plc 03.12 MODEL 628 L Model 628 L Series Solder Pad Layout (Inch/mm) .045 ± .005 1.14 ± 0.13 .220 ± .010 5.59 ± 0.25 .050 Typ. 1.27 .315 Min. 8.00 .030 ± .005 0.76 ± 0.13 Power Derating Curve Power Dissipation, Watts At 70°C Percent of Rated Power 100 80 60 40 20 0 Model Package Per Resistor 628L 0.64 0.040 Standard Resistance Values, Ohms -0 70 125 150 Degrees C R/2R R/2R R/2R 1K/2K 10K/20K 25K/50K 50K/100K 100K/200K Typical Part Marking Manufacturer’s Trademark Part Number: 628L104 Part Marking: 8L104 Date Code 8L104 Part Marking UK MADE Lead #1 Indicator 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. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT electronics plc 03.12 MODEL 628 L Model 628 L Series Packaging Standard: Tape & Reel Conforms to requirements of EIA-481. All units oriented with lead #1 to the left of direction of feed. Width = Pocket = Pitch = Tape Diameter = 13” (330mm) Maximum Capacity = 2,000 Units Reel Option: 24mm Embossed Plastic, Antistatic 12mm Magazines Conforms to EIA and JEDEC standards. All units oriented with lead #1 to the same side. Magazine: Capacity = 50 Units Ordering Information 628 L 104 TR4 Model Circuit Type: L = Ladder Standard Tape & Reel Packaging: (No code used for Magazines.) R Resistance Code: First 2 digits are significant. Last digit denotes the number of trailing zeros. 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. www.bitechnologies.com www.irctt.com www.welwyn-tt.com © TT electronics plc 03.12