1476 Vishay Foil Resistors The 30 pin 1" x 1" flatpack is the largest ceramic package offered by Vishay. It will accommodate the greatest number of resistor chips and offers the maximum pin availability in the lowest profile. This package can contain up to 225 V5X5 resistor chips. Review data sheet “7 Technical Reasons to Specify Bulk Metal® Foil Resistor Networks.” Product may not be to scale ORDERING INFORMATION - 1476 PARTS Networks are built to your requirements. Send your schematic and electrical requirements to the Applications Engineering Department. (See data sheet “Network Worksheet.”) A unique part number will be assigned which defines all aspects of your network. FIGURE 1 - STANDARD DIMENSIONS in inches (millimeters) 0.500 –0.870 (12.7 –22.10) 0.012 –0.016 (0.30 –0.41) 1.112 –1.148 (28.25 –29.16) 0.700 ±0.010 (17.78 ±0.25) 0.915 –0.960 (23.24 –24.38) VISHAY MODEL NUMBER CHIP CAPACITY MAXIMUM POWER RATING (WATTS) @ +70°C V15X5 - 75 chips 1476 2.4 Watts V5X5 - 225 chips NOTE: 1. These networks utilize Vishay Bulk Metal® Foil resistor chips V5X5 and V15X5 or VTF15X5 Thin Film chips. 0.050 ±0.010 (1.27 ±0.25) 2. The V5X5 and V15X5 chips have maximum resistance values of 10K and 33K respectively in Bulk Metal® Foil and 500K in VTF15X5 Thin Film chips. 0.125 (3.17) 0.009 ±0.005 (0.229 ±0.127) 0.050 ±0.01 (1.27) 3. The V5X5 and V15X5 chip(s) can be intermixed in a package. FIGURE 2 - SAMPLE CIRCUIT DESIGN AND CHIP LAYOUT GROUND OUT 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 NOTE: Usable area is represented by the dotted lines— a square 0.75". Illustrations not to scale. Chips shown undersize for clarity. Drawing view is from the top looking down into the package. R R R R R R R R R R R GROUND short for 10 BIT operation 30 29 28 27 26 25 24 23 22 21 20 19 18 CONNECTOR BARS R R R R R R R R R R R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R LEAD NUMBER: 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R 2R INPUT BIT 1 2 3 4 5 LSB 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 4 5 6 7 8 9 10 11 (12 BIT) 0 1 2 3 4 5 6 7 6 7 8 9 10 11 12 13 14 15 MSB VISHAY FOIL • FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 • GERMANY +49.9287.710 FAX: +49 9287.70435 • ISRAEL +972.3.557.0945 FAX: +972.3.558.9121 Document Number: 63030 Revision 26-Mar-02 2 • ITALY + 39.2.300.11919 FAX: +39.2.300.11999 • JAPAN +81.42.729.0661 FAX: +81.42.729.3400 • SINGAPORE +65.788.6668 FAX: +65.788.0988 8 9 (10 BIT) 10 BIT/12 BIT LADDER • SWEDEN +46.8.594.70590 FAX: +46.8.594.70581 • UK +44 191 514 8237 FAX: +44 1953 457 722 • USA +1 610 407-4800 FAX: +1 610 640-9081 www.vishay.com 53 SURFACE MOUNT Bulk Metal® Foil Technology 30 Pin Flatpack Hermetic Resistor Network