1401
Vishay Foil Resistors
Bulk Metal® Foil Technology
3 Pin Transistor Outline Hermetic Resistor Network
The three pin TO-18 package is suitable for single resistor
hermetic packaging with case and lid grounded for electrical
isolation. This unique package may also be used to provide a
voltagedivider, buttheuseriscautionedthatthecentertapmust
go to ground.
Review data sheet “7 Technical Reasons to Specify Bulk
Product may not
®
Metal Foil Resistor Networks.”
be to scale
ORDERING INFORMATION - 1401 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.
3 pins on a 0.100" pin circle– pin 3 case grounded.
FIGURE 1 - STANDARD DIMENSIONS in inches (millimeters)
DIAMETER
0.178 –0.195
(4.52 –4.95)
VISHAY
MODEL NUMBER
CHIP
CAPACITY
MAXIMUM POWER RATING
(WATTS) @ +70°C
3
CASE
GROUNDED
V15X5 - 1 chip
0.200
(5.08)
0.100
(2.54)
V15X5 - 1 chip
and
MAXIMUM
2
1401
0.15 Watt
V5X5 - 1 chip
45°
1
V5X5 - 2 chips
0.500
(12.7)
MINIMUM
0.036 –0.046
(0.91 –1.17)
NOTES:
1. These networks utilize Vishay Bulk Metal® Foil resistor
chips V5X5 and V15X5 or VTF15X10 Thin Film chips.
0.028 –0.048
(0.71 –1.22)
3 LEADS
0.016 –0.021
(0.41 –0.48)
0.209 –0.230
(5.31 –5.84)
(VIEWED FROM BOTTOM)
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.
DIAMETER
FIGURE 2 - SAMPLE CIRCUIT DESIGNS AND CHIP LAYOUTS
NOTE: Usable area is represented by the dotted lines— a cross 0.150 Inches x 0.150 Inches with arm width of 0.05 Inches.
Illustrations not to scale. Chips shown undersize for clarity. Drawing view is from the top looking down into the
package.
2
1
2
1
3
R1
R1
R1
R2
R1 R2
2
3
3
1
2
CASE
CASE
ONE RESISTOR
CASE GROUNDED
DIVIDER
CENTER TAP GROUNDED
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• JAPAN +81.42.729.0661 FAX: +81.42.729.3400
• SINGAPORE +65.788.6668 FAX: +65.788.0988
Document Number: 63037
Revision 31-Jul-02
www.vishay.com
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