VH Hermetic
Vishay Foil Resistors
Bulk Metal® Foil Technology
Hermetically Sealed Resistors, Aerospace
TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON
MIL-PRF-55182/9
VH102K
TYPICAL5 ∆R
VHS102
TYPICAL5 ∆R
VHS555
TYPICAL5 ∆R
CHARACTERISTIC Y MAXIMUM
∆R
Test Group I
Thermal Shock
Overload
± 0.05%
± 0.05%
± 0.002%
± 0.003%
± 0.002%
± 0.003%
± 0.002%
± 0.003%
Test Group II
Resistance Temp Char.
Temp Storage
± 5ppm/°C
± 0.05%
± 0.05%
± 0.02%
See Figures 7 & 8*
± 0.005%
See Figures 1 & 2, and Figures 5 & 6*
± 0.005%
± 0.0025
± 0.005%
± 0.002%
Low Temp Operation
Terminal Strength
± 0.005%
± 0.005%
± 0.002%
± 0.002%
Test Group III
DWV
± 0.02%
104MΩ
± 0.005%
40 x 105MΩ
± 0.002%
± 0.005%
± 0.005%
40 x 105MΩ
± 0.002%
± 0.005%
± 0.002%
40 x 105MΩ
± 0.002%
± 0.005%
Insulation Resistance
Resistance to Solder Heat
Moisture Resistance
± 0.02%
± 0.05%
Test Group IV
Shock
± 0.01%
± 0.02%
± 0.002%
± 0.002%
± 0.002%
± 0.002%
± 0.002%
± 0.002%
Vibration
Test Group V
Life Test @ 0.3 W/+ 125°C
2,000 Hours
± 0.05%
± 0.5%
± 0.03%
± 0.05%
± 0.03%
± 0.05%
± 0.01%
± 0.02%
10,000 Hours
Test Group Va
+ 70°C Power Rating
± 0.05%
± 0.02%
± 0.02%
± 0.02%
Test Group VI
High Temp Exposure
± 0.05%
± 0.05%
± 0.05%
± 0.04%
Test Group VII
Voltage Coefficient
0.0005%/V
< 0.00001%/V
< 0.00001%/V
< 0.00001%/V
See previous page for numbered footnotes.
*These figures can be found in data sheet “7 Technical Reasons to Specify Bulk Metal® Foil Resistive Components.”
TABLE 4 - ORDERING INFORMATION
Please specify Vishay VH102K, VHS102 and VHS555 resistors as follows: (See Imprinting Illustration and Table 1, 1st page in this
datasheet, for further details).
Example:
VHS555
100R01
0.01%
MODEL NO.
RESISTANCE VALUE
TOLERANCE
Resistance Value, in ohms, is expressed by a series of 6 characters, 5 of which represent significant digits while the 6th is a dual purpose
letter that designates both the multiplier and the location of the comma or decimal.
RESISTANCE
RANGE**
LETTER
MULTIPLIER
FACTOR
DESIGNATOR
EXAMPLE
1Ω to < 1KΩ
R
K
x 1
x 103
100R01 = 100.01Ω
15K231 = 15,231Ω
1KΩ to < 150KΩ
**Resistance Range limit of 100KΩ for VH102K, 150KΩ for VHS555, 150KΩ for VHS102.
SALES
• ISRAEL: foilsales.israel@vishay.com
• FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com
• AMERICAS: foilsales.usa@vishay.com
• ASIA/JAPAN: foilsales.asia@vishay.com • UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com • GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com
www.vishay.com
80
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: 63004
Revision 02-Mar-05