1733 Reader's Spreads pg1-203:document 1/27/09 4:07 PM Page 82 RD(X) resistors scsi & ecl termination networks EU features • • • • • • Thin film construction Surface mount package Stable resistor density High resistor density Application specific design Products with lead-free terminations meet EU RoHS and China RoHS requirements applications • ECL signal termination • SCSI signal termination dimensions and construction Package Code L Bonding Wire d Total Power Pins Dimensions inches (mm) p ±0.1 H ±0.2 L ±0.2 W ±0.2 Q16 0.8 watts 16 .193 (4.90) Q20 1 watt 20 .341 (8.66) d ±0.05 .236 (5.99) .025 (0.635) __ __ .236 (5.99) .025 (0.635) .063 (1.60) .010 (0.25) p W Lead Die Pad Si Molded Wafer Resin circuit schematic SCSI Terminator ECL Terminator R1 R1 R2 R2 R2 R1 R1 RDA: 20 pins RDB: 20 pins ordering information New Part # RDA Type RDA RDB Q20 T Package Code Reference above table Termination Material T: Sn (Other termination styles available, contact factory for options) TEB Packaging TEB: 13" embossed plastic 331J/221J R1 Value/R2 Value & Tolerance 3 digits J: ±5% H T.C.R. H: ±100 For further information on packaging, please refer to Appendix A. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 84 11/19/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 1733 Reader's Spreads pg1-203:document 1/27/09 4:07 PM Page 83 PMS 300 neg. Black neg. scsi & ecl termination networks application schematic ESL Termination SCSI termination VCC VCC 220 330 + Signal + Signal 150 330 - Signal Gnd 330 Gnd GND GND applications and ratings Part Designation Power Rating @ 70°C (Per Element) T.C.R. (ppm/°C) Resistance Range Resistance Tolerance Maximum Working Voltage Operating Temperature Range RDA RDB 50mW ±25%, ±50%, ±100 10Ω - 10,000Ω ±2%, ±5% 100V -50°C to +125°C environmental applications Performance Characteristics Parameter Maximum ∆ R Test Method Resistance to Soldering Heat ±0.2% MIL-R-55342 4.7.7 Short Time Overload +0.2% MIL-R-55342 4.7.5 Moisture Resistance ±0.2% MIL-STD-202 method 103 Thermal Shock ±0.2% MIL-STD-202 method 107 H.A.S.T. ±0.5% 2 Atm., 121°C, 96 hrs Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/19/08 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com 85 resistors RD(X)