Document Number: 63114

For technical questions, contact: foil@vishay.com

www.vishay.com

Revision: 08-Aug-06

2

2R, 3R, 4R (Z-Foil Technology)

Ultra High Precision Z-Foil Voltage Divider and

Network Resistor with TCR Tracking to 0.1 ppm/°C

and Resistance Match to ± 0.005% (50 ppm)

Vishay Foil Resistors

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

* Measurement error 0.001 R

TABLE 1 - TYPICAL PERFORMANCE CHARACTERISTICS*

TCR Tracking between all resistors

(Any ohmic value ratio is available within resistance

range)

available to:

typical

maximum

0.1 ppm/°C

0.5 ppm/°C

depends on resistance value

Ratio Tolerance between all resistors

available to:

0.005 % (50 ppm)

depends on resistance value

Max Ambient Temp. at Rated Wattage

+ 125°C

Max Ambient Temp. at Zero Power

+ 175°C

Thermal Shock

ΔR

ΔRatio

0.002% (20 ppm)

0.002% (20 ppm)

Low Temperature Operation

ΔR

ΔRatio

0.005% (50 ppm)

0.002% (20 ppm)

Short Time Overload

ΔR

ΔRatio

0.002% (20 ppm)

0.002% (20 ppm)

Terminal Strength

ΔR

ΔRatio

0.001% (10 ppm)

0.001% (10 ppm)

Resistance to Soldering Heat

ΔR

ΔRatio

0.002% (20 ppm)

0.001% (10 ppm)

Moisture Resistance

ΔR

ΔRatio

0.003% (30 ppm)

0.003% (30 ppm)

Shock

ΔR

ΔRatio

0.001% (10 ppm)

0.001% (10 ppm)

Vibration High Frequency

ΔR

ΔRatio

0.001% (10 ppm)

0.001% (10 ppm)

Life

0.3W at + 125°C

0.02W at + 60°C

0.05W at + 25°C

ΔR

ΔRatio

ΔR

ΔRatio

ΔR

ΔRatio

0.01% (100 ppm)

0.01% (100 ppm)

0.003% (30 ppm)

0.001% (10 ppm)

0.002% (20 ppm)

0.001% (10 ppm)

High Temperature Exposure

ΔR

ΔRatio

0.01% (100 ppm)

0.01% (100 ppm)

Low Temperature Storage

ΔR

ΔRatio

0.002% (20 ppm)

0.002% (20 ppm)

Insulation Resistance

Ω

Dielectric Withstanding Voltage

No Change

Voltage Coefficient

ΔR

ΔRatio

0.1ppm/V

0.1ppm/V

Noise

N/A

- 40dB

Inductance

N/A

0.08µH

Capacitance

N/A

0.5pF

Rise Time

N/A

1ns at 1k

Ω

Thermal EMF lead to lead

N/A

0.04µV/°C

Thermal EMF air circulation

N/A

0.02µV/°C

Thermal EMF power

N/A

0.1µV for 20mW

Shelf Life

ΔR

ΔRatio

25 ppm/year

10 ppm/year