Document Number: 63063

Revision 12-Dec-05

www.vishay.com

80

VHZ Hermetic

Vishay Foil Resistors

For technical questions, contact: foil@vishay.com

SALES

• 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

• FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com

• ISRAEL: foilsales.israel@vishay.com

**Resistance Range limit for VHZ555: 4R99 to 121K.

TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON

See previous page for numbered footnotes.

Bulk Metal

Hermetically Sealed Resistors, Aerospace

MIL-PRF-55182/9

VH102Z

VHZ555

CHARACTERISTIC Y MAXIMUM

TYPICAL

TYPICAL

Test Group I

Thermal Shock

± 0.05%

± 0.002%

± 0.002%

Overload

± 0.05%

± 0.003%

± 0.003%

Test Group II

Resistance Temp Char.

± 5ppm/°C

See Table 2

See Table 2

Temp Storage

± 0.05%

± 0.005%

± 0.0025

Low Temp Operation

± 0.05%

± 0.005%

± 0.005%

Terminal Strength

± 0.02%

± 0.002%

± 0.002%

Test Group III

DWV

± 0.02%

± 0.005%

± 0.002%

Insulation Resistance

10

40 x 10

40 x 10

Resistance to Solder Heat

± 0.02%

± 0.002%

± 0.002%

Moisture Resistance

± 0.05%

± 0.005%

± 0.005%

Test Group IV

Shock

± 0.01%

± 0.002%

± 0.002%

Vibration

± 0.02%

± 0.002%

± 0.002%

Test Group V

Life Test @ 0.3 W/+ 125°C

2,000 Hours

± 0.05%

± 0.03%

± 0.01%

10,000 Hours

± 0.5%

± 0.05%

± 0.02%

Test Group Va

+ 70°C Power Rating

± 0.05%

± 0.02%

± 0.02%

Test Group VI

High Temp Exposure

± 0.05%

± 0.05%

± 0.04%

Test Group VII

Voltage Coefficient

0.0005%/V

< 0.00001%/V

< 0.00001%/V

Please specify Vishay VH102Z and VHZ555 resistors as follows: (See Imprinting Illustration and Table 1, 1st page in this data sheet, for

further details).

Example:

VH102Z

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

LETTER

MULTIPLIER

RANGE**

DESIGNATOR

FACTOR

EXAMPLE

100Ω to < 1KΩ

Rx 1

100R01 = 100.01Ω

1KΩ to < 100KΩ

Kx 10

3

15K231 = 15.231Ω

TABLE 4 - ORDERING INFORMATION