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| 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 25C Operating Temperature Range Temperature Coefficient of Resistance Maximum Operating Voltage Insulation Resistance Ladder Network Accuracy MECHANICAL 1K to 100K 2% -55C to +125C 100ppm/C 50Vdc or PR 10,000 Megohms 8 Bits: 1/2 LSB, -55C to +125C 4 Lead Material Lead Configuration Lead Coplanarity Substrate Material Resistor Material Body Material APPLICABLE DOCUMENTS Copper Alloy, 60/40 Tin-Lead (Dipped) Gull Wing 0.002 in. (0.057mm) Alumina Cermet Epoxy 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 OUTLINE DIMENSIONS (Inch/mm) .445 11.30 .090 2.29 Max. .028 0.71 Typ. .310 7.87 Max. .220 .005 5.59 0.13 .008 .005 0.20 0.13 .016 Typ. 0.41 .050 1.27 Typ. .008 0.20 Typ. Note: Maximum Allowable Mold Excursion = 0.006" SCHEMATICS Model 628 L 8 Bits, 16 Leads 16 16 Model 628 LN 8 Bits, 16 Leads R R R R R R R 2R R R R R R R R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 1 1 Note: Custom circuits are available. Consult factory. 4-132 Model 628 L SOLDER PAD LAYOUT .045 .005 1.14 0.13 .050 Typ. 1.27 .220 .010 5.59 0.25 .315 Min. 8.00 .030 .005 0.76 0.13 POWER DERATING CURVE POWER DISSIPATION, WATTS AT 70C Percent of Rated Power 100 80 60 40 20 0 -0 70 125 150 Degrees C Model 628L Per Package 0.640 Per Resistor 0.040 4 STANDARD RESISTANCE VALUES, OHMS R/2R 1K/2K 10K/20K R/2R 25K/50K 50K/100K R/2R 100K/200K TYPICAL PART MARKING Manufacturer's Trademark Part Number: 628L104 8L104 Part Marking: 8L104 UK MADE Date Code Part Marking Lead #1 Indicator 4-133 Model 628 L PACKAGING Standard: Tape & Reel Conforms to requirements of EIA-481. All units oriented with lead #1 to the left of direction of feed. Tape: Width Pocket Pitch Diameter Capacity = = = = = 24mm Embossed Plastic, Antistatic 12mm 13" (330mm) Maximum 2,000 Units Reel: Option: 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 |
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