898-81-R20K

MODELS 898, 899 R/2R Ladder Dual-In-Line Thick Film Resistor Networks E LECTRICAL 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 500K ±2% -40°C to +70°C ±100ppm/°C 100Vdc or √PR ≥10,000 Megohms 8 Bits: ±1/2LSB, -40°C to +70°C 10 Bits: ±1LSB, -40°C to +70°C 4 MECHANICAL Lead Material Substrate Material Resistor Material APPLICABLE DOCUMENTS Copper Alloy, 60/40 Tin-Lead Plating Alumina Cermet MIL-R-83401 — Resistor Networks, Fixed, Film, General Specifications MIL-STD-202 — Test Methods for Electronic and Electrical Component Parts MIL-STD-105 — Sampling Procedures and Tables for Inspection by Attributes Specifications subject to change without notice. 4-157 Models 898, 899 Ladder OUTLINE DIMENSIONS (Inch/mm) Model 898 Model 899 .780 Max. 19.8 .880 Max. 22.4 .250 Ref. 6.35 .340±.020 8.64±0.51 .125 Max. 3.18 .050 Ref. 1.27 .060 Ref. 1.52 .020 Min. 0.51 .080 ± .020 2.03 ± 0.51 .100 ± .010* 2.54 ± 0.25 .018 ± .003 0.46 ± 0.08 .600 ± .010 15.2 ± 0.25 .700 ± .010 17.8 ± 0.25 .135 ± .030 3.43 ± 0.76 .185 Max. 4.70 *Typical spacing non-accumulating SCHEMATICS 898-81 Circuit 8 Bits, 16 Leads 16 2R 16 898-82 Circuit 8 Bits, 16 Leads R R R R R 2R R 2R R R R R R R 2R R 2R R 2R 2R 2R 2R 2R 1 2R 2R 1 899-10 Circuit 10 Bits, 14 Leads 14 2R R 2R R 2R 2R R 2R 2R R R 2R R R 2R 2R 2R 2R 2R 2R R 2R 2R R 2R 2R 1 Note: Custom configurations are available. Consult factory. 4-158 Models 898, 899 Ladder STANDARD RESISTANCE VALUES, OHMS POWER DISSIPATION, WATTS AT 70°C R/2R 10K/20K R/2R 25K/50K 50K/100K R/2R 100K/200K Model 898-8X 899-10 Per Package 0.8 1.0 Per Resistor .050 .050 TYPICAL PART MARKING 898-81-R10K Lead #1 Indicator Model Number: 899 = 14 Leads 898 = 16 Leads Date Code Optional Location R Resistance Value Circuit Type: –10 (10 bits) –81 ( 8 bits) –82 ( 8 bits) 4 PACKAGING Standard: Magazines All Units oriented with lead #1 to the same side. Magazine: Material Capacity = = Antistatic Plastic 25 Units ORDERING INFORMATION 89 8 -81 R10K Model Series Number of Leads: 8 = 16 Leads R Resistance Value Circuit Type: 81 = 8 Bits 82 = 8 Bits 89 9 -10 R10K Model Series Number of Leads: 9 = 14 Leads R Resistance Value Circuit Type: 10 = 10 Bits 4-159 Models 898, 899 Ladder