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1476
Vishay Foil Resistors
Bulk Metal(R) Foil Technology 30 Pin Flatpack Hermetic Resistor Network
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(R) Foil Resistor Networks."
Product may not be to scale
SURFACE MOUNT
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 1476 NOTE:
CHIP CAPACITY V15X5 - 75 chips V5X5 - 225 chips
MAXIMUM POWER RATING (WATTS) @ +70C 2.4 Watts
0.050 0.010 (1.27 0.25) 0.009 0.005 (0.229 0.127) 0.125 (3.17) 0.050 0.01 (1.27)
1. These networks utilize Vishay Bulk Metal(R) Foil resistor chips V5X5 and V15X5 or VTF15X5 Thin Film chips. 2. The V5X5 and V15X5 chips have maximum resistance values of 10K and 33K respectively in Bulk Metal(R) Foil and 500K in VTF15X5 Thin Film chips. 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.
GROUND short for 10 BIT operation 30 29 28 27 26 25 24 23 22 21 20 19 18
RR R R R R R R R R R
CONNECTOR BARS
RRRRR
RRRRRR
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
2 0
3 1
4 2 0
5 3 1
6 4 2
7 5 3
8 6 4
9 10 11 12 13 7 5 8 6 9 10 11 (12 BIT) 7 8 9 (10 BIT)
12345 LSB
6 7 8 9 10 11 12 13 14 15 MSB
* 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
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
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
www.vishay.com 53

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