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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  
voltage divider, but the user is cautioned that the center tap  
must go to ground.  
Review data sheet “7 Technical Reasons to Specify Bulk  
Metal Foil Resistor Networks.”  
Product may not  
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  
3
2
3
1
2
CASE  
CASE  
ONE RESISTOR  
CASE GROUNDED  
DIVIDER  
CENTER TAP GROUNDED  
SALES  
• ISRAEL: foilsales.israel@vishay.com  
• ASIA/JAPAN: foilsales.asia@vishay.com • UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com • GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com  
• FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com  
• AMERICAS: foilsales.usa@vishay.com  
For technical questions in the Americas, contact foilsupport1@vishay.com  
For technical questions in Asia/Japan/Europe/Africa/Israel, contact foilsupport2@vishay.com  
Document Number: 63037  
Revision 02-Mar-05  
www.vishay.com  
119  
Legal Disclaimer Notice  
Vishay  
Disclaimer  
All product specifications and data are subject to change without notice.  
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf  
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein  
or in any other disclosure relating to any product.  
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any  
information provided herein to the maximum extent permitted by law. The product specifications do not expand or  
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed  
therein, which apply to these products.  
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this  
document or by any conduct of Vishay.  
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless  
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such  
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting  
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding  
products designed for such applications.  
Product names and markings noted herein may be trademarks of their respective owners.  
Document Number: 91000  
Revision: 18-Jul-08  
www.vishay.com  
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