MODEL 628 L R/2R Ladder .220” Small Outline Thick Film DIP Surface Mount Resistor Networks ELECTRICAL Standard Resistance Range, Ohms Standard Resistance Tolerance, at 25°C Operating Temperature Range Temperature Coefficient of Resistance Maximum Operating Voltage Insulation Resistance Ladder Network Accuracy 1K to 100K ±2% -55°C to +125°C ±100ppm/°C 50Vdc or √PR ≥10,000 Megohms 8 Bits: ±1/2 LSB, -55°C to +125°C MECHANICAL Lead Material Lead Configuration Lead Coplanarity Substrate Material Resistor Material Body Material Copper Alloy, 60/40 Tin-Lead (Dipped) Gull Wing ±0.002 in. (0.057mm) Alumina Cermet 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. 4-131 Model 628 L 4 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 2R R 2R R R R R R R 2R 2R 2R 2R 2R 2R 2R 1 2R 2R 1 Note: Custom circuits are available. Consult factory. 4-132 Model 628 L SOLDER PAD LAYOUT .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 DISSIPATION, WATTS AT 70°C POWER DERATING CURVE Percent of Rated Power Model 628L 100 80 60 40 20 0 Per Package 0.640 Per Resistor 0.040 STANDARD RESISTANCE VALUES, OHMS -0 70 R/2R 1K/2K 10K/20K 125 150 Degrees C R/2R 25K/50K 50K/100K R/2R 100K/200K TYPICAL PART MARKING Manufacturer’s Trademark Part Number: 628L104 Date Code 8L104 Part Marking: 8L104 Part Marking UK MADE Lead #1 Indicator 4-133 Model 628 L 4 PACKAGING Standard: Tape & Reel Conforms to requirements of EIA-481. All units oriented with lead #1 to the left of direction of feed. Tape: Reel: Option: Width Pocket Pitch Diameter Capacity = = = = = 24mm Embossed Plastic, Antistatic 12mm 13” (330mm) Maximum 2,000 Units 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 Series 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. 4-134 Model 628 L