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PDF 1457 Data sheet ( Hoja de datos )

Número de pieza 1457
Descripción Bulk Metal Foil Technology 18 Pin Dual-In-Line Hermetic Resistor Network
Fabricantes Vishay Siliconix 
Logotipo Vishay Siliconix Logotipo



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1457
Vishay Foil Resistors
Bulk Metal® Foil Technology
18 Pin Dual-In-Line Hermetic Resistor Network
Product may not
be to scale
The 18 pin “L” brazed DIP is still a 0.300" pin spacing package
but overlaps the mounting holes, providing added chip capacity.
It is a good choice for a 14 bit R/2R ladder of R = 5K. Select
Model 1460 for added chip area or additional pins. This
network can contain up to 80 V5X5 resistor chips.
Review data sheet “7 Technical Reasons to Specify Bulk
Metal® Foil Resistor Networks.”)
ORDERING INFORMATION - 1457 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)
0.990 ±0.030
(25.15 ±0.76)
0.008 –0.016
(0.20 –0.41)
VISHAY
MODEL NUMBER
CHIP
CAPACITY
MAXIMUM POWER RATING
(WATTS) @ +70°C
0.490 ±0.020
(12.45 ±0.51)
0.300 ±0.010
(7.62 ±0.25)
1457
V15X5 - 25 chips
V5X5 - 80 chips
1.8 Watts
NO. 1 LEAD
0.046 TYPICAL
(1.17)
0.200
(5.08)
MAXIMUM
0.125
(3.18)
MINIMUM
0.100
(2.54)
TYPICAL
0.015 –0.022
(0.38 –0.56)
NOTE:
1. These networks utilize Vishay Bulk Metal® 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® 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 DESIGNS AND CHIP LAYOUTS
NOTE: Usable area is represented
by the dotted lines— a rectangle
0.250 Inches x 0.800 Inches.
Illustrations not to scale.
Chips shown undersize for
clarity. Drawing view is from
the top looking down into the
package.
18 17 16 15 14 13 12 11 10
RRR
2R
RRR
2R 2R 2R 2R 2R 2R 2R
1 23 4 5 6 78 9
R/2R LADDER
Ground
Out
18 17 16 15 14 13 12 11 10
2R
RR R RR RR
2R 2R 2R 2R 2R 2R 2R
12345 6789
18 17 16 15 14 13 12 11 10
RRR
2R
RRRR
R/2R LADDER
Ground
Out
18 17 16 15 14 13 12 11 10
2R
R R R RR R R
2R 2R 2R 2R 2R 2R 2R 2R
1 23 4 5 6 78 9
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
• 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
2R 2R 2R 2R 2R 2R 2R 2R
12 3456 789
• 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
128
Document Number: 63033
Revision 28-Aug-02

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