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| BR resistors bga resistor networks EU features * Virtually eliminates channel capacitance, a primary cause of reduced system performance * Eases routing design of DDR SDRAM termination * High precision 1% is standard * Saves board space and high density mounting * Marking: Black body color with white marking (cut-out) * Products with lead-free terminations meet EU RoHS requirements. Pb located in glass material, electrode and resistor element is exempt per Annex 1, exemption 5 of EU directive 2005/95/EC dimensions and construction L Size Code BR27A BR36S P .039.010 (1.00.25) .039.010 (1.00.25) oD Dimensions inches (mm) H K .020.010 (0.500.25) .020.010 (0.500.25) .045.006 (1.150.15) .045.006 (1.150.15) L W Coplanarity W Ceramic Marking Inner Electrode Substrate Protective Coating H Lead-Free Solder oD K P Resistive Tinning Ball Film (Cu core) .026.002 (0.670.05) .026.002 (0.670.05) .354.006 (9.00.15) .087 Max. (9.00.15) .118.006 (3.00.15) .006 Max. .157.006 (0.15 Max.) (4.00.15) circuit schematic R1=R2=R3..... R17=R18 R1=R2=R3..... R17=R18 R17 R18 R17 R18 R1 R2 R3 R4 R1 R2 R3 R4 BR27A BR36S ordering information New Part # BR Type 27 Number of Terminals 27: 27 Terminal 36: 36 Terminal A Circuit Symbol A: Parallel network S: Separate P Terminal Pitch P: 1 mm T Termination Material T: Sn TEB Packaging TEB: 8 mm pitch embossed plastic 1001 Nominal Resistance 1%: 3 significant figures + multiplier "R" indicates decimal on values <100 F Resistance Tolerance F: 1% 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. 2/11/08 78 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com BR bga resistor networks applications and ratings Part Number of Designation Terminals 27 36 Circuit Symbol A S Power Rating 0.05W / element 1W / package Resistance Range () E-24 F: 1% 10-1K T.C.R. (ppm/C) Maximum Working Voltage 25V Maximum Overload Voltage 50V Rated Operating Ambient Temperature Temperature Range +70C -55C to +125C resistors BR 200 environmental applications Derating Curve 100 80 % Rated Power 60 40 20 0 -60 -40 -20 -55 0 80 100 120 140 70 125 Ambient Temperature (C) 20 40 60 160 Performance Characteristics Parameter Resistance T.C.R. Short Time Overload Resistance to Soldering Heat Rapid Change of Temperature Moisture Resistance Endurance at 70C Low Temperature Storage High Temperature Exposure Maximum R 25C -55C/+125C Test Method 1% within specified tolerance Within specified T.C.R. 0.5% 0.5% 0.5% 1 1 0.5 1 Rated voltage times 2.5 for 5 seconds 250C5C, 30 seconds, 3 times -65C (30 min.)/+125C (30 min.) 5 cycles 0.1 Rated load, 85C, 85% RH, 1000 hours 70C, full load 2000h 1.5h ON/0.5h OFF cycle -65C, 24h, no load 125C, 1000h, no load Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/28/08 KOA Speer Electronics, Inc. * 199 Bolivar Drive * Bradford, PA 16701 * USA * 814-362-5536 * Fax: 814-362-8883 * www.koaspeer.com 79 |
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