2R, 3R, 4R (Z-Foil Technology)
Vishay Foil Resistors
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)
FEATURES
•
Resistance Range each resistor: 1Ω to 150KΩ
(Any ohmic value ratio is available within
resistance range)
RoHS
•
Non Inductive/Capacitive design
COMPLIANT
•
Low Temperature Coefficient of Resistance
(TCR) Absolute:
± 0.05 ppm/°C (Industrial range)
± 0.2 ppm/°C (MIL range), Tracking 0.1 ppm/°C
•
Power Coefficient “ΔR due to self heating”: 5 ppm at rated
power
•
Tolerance: Absolute and Resistance Match to 0.005%
•
Resistance Ratio Stability: at 0.05W @ + 25°C to 0.001%
•
Electrostatic Discharge (ESD) above 25 000 Volts
•
Short time overload
≤
0.002%
•
Power Rating at + 125°C: 0.3W
•
Thermal EMF: 0.05µV/°C
•
Non hot spot design
•
Current Noise: < - 40dB
•
Rise time: 1ns without ringing
•
Non Inductive: < 0.08µH
•
Voltage Coefficient < 0.1 ppm/V
•
For better performances please contact us
•
Terminal Finishes available:
Lead (Pb)-free
Tin/Lead Alloy
Any value at any tolerance available within resistance range
INTRODUCTION
The 2R, 3R, 4R Resistor Networks are the designers first
choice for ultra high precision, stable and reliable
Voltage Divider or Network.
The Z-Foil Technology provides a significant reduction of the
resistive components sensitivity to ambient temperature
variations (TCR) and applied power changes, self-heating
(PCR). 0.05 ppm/°C Absolute TCR removes errors due to
temperature gradients.
The 2R, 3R, 4R provide a unique, inherent combination
of performance characteristics resulting in excellent
performance and high reliability, satisfying the needs of
today’s expanding requirements.
The availability of low absolute TCR and low PCR, provides a
good cost solution for the variability of other components
when compiling the total error budget.
Our Application Engineering Department is available to
advise and to make recommendations for non-standard
technical requirements and special applications, please do
not hesitate to contact us.
FIGURE 1 - POWER DERATING CURVE
200%
175%
Percent of Rated Power at + 125°C
150%
125%
100%
75%
50%
25%
- 55°C
+ 70°C
Double Rated Power
Rated Power
N
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0
- 75 - 50
- 25
0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
Ambient Temperature (°C)
FIGURE 2 - TYPICAL TCR CURVE Z-FOIL
+ 500
+ 400
+ 300
+ 200
+ 100
ΔR
0
R
(ppm)
- 100
- 200
- 300
0.05 ppm/°C
- 0.1 ppm/°C
- 0.16 ppm/°C
- 55
- 25
0
+ 25
0.1 ppm/°C
0.14 ppm/°C
0.2 ppm/°C
+ 60 + 75
+ 100 + 125
- 400
- 500
Ambient Temperature (°C)
SALES
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1
For technical questions, contact: foil@vishay.com
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APPLICATIONS
•
•
•
•
•
•
•
•
Instrumentation Amplifiers
Bridge Networks
Differential Amplifiers
Military, Airborne and Space
EB Applications
Down-Hole (high temperature)
Medical
Automatic Test Equipment (ATE)
Safe operation
for < 150 ppm
ΔR
after 2000
hours load-life
FIGURE 3 - TRIMMING TO VALUES
CONCEPTUAL ILLUSTRATION)
Current Path
Before Trimming
Current Path
After Trimming
Trimming Process
Removes this Material
from Shorting Strip Area
Changing Current Path
and Increasing
Resistance
NOTE:
Foil shown in
black,
etched spaces in
white
Document Number: 63114
Revision: 08-Aug-06
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)
TABLE 1 - TYPICAL PERFORMANCE CHARACTERISTICS*
TCR Tracking between all resistors
(Any ohmic value ratio is available within resistance
range)
Ratio Tolerance between all resistors
Max Ambient Temp. at Rated Wattage
Max Ambient Temp. at Zero Power
Thermal Shock
Low Temperature Operation
Short Time Overload
Terminal Strength
Resistance to Soldering Heat
Moisture Resistance
Shock
Vibration High Frequency
Life
0.3W at + 125°C
0.02W at + 60°C
0.05W at + 25°C
High Temperature Exposure
Low Temperature Storage
Insulation Resistance
available to:
typical
maximum
available to:
0.1 ppm/°C
0.5 ppm/°C
depends on resistance value
0.005 % (50 ppm)
depends on resistance value
+ 125°C
+ 175°C
Vishay Foil Resistors
N
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Dielectric Withstanding Voltage
Voltage Coefficient
Noise
Inductance
Rise Time
Capacitance
Thermal EMF lead to lead
Thermal EMF power
Shelf Life
Thermal EMF air circulation
* Measurement error 0.001 R
SALES
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Document Number: 63114
Revision: 08-Aug-06
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ΔR
ΔRatio
0.002% (20 ppm)
0.002% (20 ppm)
ΔR
ΔRatio
0.005% (50 ppm)
0.002% (20 ppm)
ΔR
ΔRatio
0.002% (20 ppm)
0.002% (20 ppm)
ΔR
ΔRatio
0.001% (10 ppm)
0.001% (10 ppm)
ΔR
ΔRatio
0.002% (20 ppm)
0.001% (10 ppm)
ΔR
ΔRatio
0.003% (30 ppm)
0.003% (30 ppm)
ΔR
ΔRatio
0.001% (10 ppm)
0.001% (10 ppm)
ΔR
ΔRatio
0.001% (10 ppm)
0.001% (10 ppm)
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)
ΔR
ΔRatio
0.01% (100 ppm)
0.01% (100 ppm)
ΔR
ΔRatio
0.002% (20 ppm)
0.002% (20 ppm)
> 10
4
MΩ
No Change
ΔR
ΔRatio
N/A
N/A
N/A
N/A
N/A
N/A
N/A
ΔR
ΔRatio
0.1ppm/V
0.1ppm/V
- 40dB
0.08µH
0.5pF
1ns at 1kΩ
0.04µV/°C
0.02µV/°C
0.1µV for 20mW
25 ppm/year
10 ppm/year
For technical questions, contact: foil@vishay.com
www.vishay.com
2
2R, 3R, 4R (Z-Foil Technology)
Vishay Foil Resistors
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)
FIGURE 4 - VISHAY MODEL 300198 NETWORK
APPLICATION EXAMPLE
R1
E1
R2
E2
R3
R4
A
FIGURE 5 - MOLDED 2R, 3R, 4R RESISTOR NETWORK DIMENSIONS AND CIRCUIT DESIGN
in inches (millimeters)
MODEL 300190Z (with Z-Foil Technology)
0.575 (14.605) Max
0.160 Max
(4.06)
0.413
(10.49)
Max
1
2
3
0.250
(6.35)
1
Tol.: ± 0.010" (0.254mm)
Lead Length 0.750" (19.05mm) Min
0.150
(3.81)
MODEL 300192Z (with Z-Foil Technology)
0.820 (20.828) Max
0.160 Max
(4.06)
N
E
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0.413
(10.490)
Max
1
2
3
4
0.250
(6.35)
0.250
(6.35)
0.150
(3.81)
Tol.: ± 0.010" (0.254mm)
Lead Length 0.750" (19.05mm) Min
R1
1
2
SALES
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• GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com • FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com • ISRAEL: foilsales.israel@vishay.com
www.vishay.com
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E3
MODEL 300191Z (with Z-Foil Technology)
0.575 (14.605) Max
0.160 Max
(4.06)
R1
R2
R1
R2
0.413
(10.49)
Max
2
3
1
0.150
(3.81)
2 3
4
0.150
(3.81)
1
2
3
4
0.100
(2.54)
Tol.: ± 0.010" (0.254mm)
Lead Length 0.750" (19.05mm) Min
MODEL 300193Z (with Z-Foil Technology)
0.820 (20.828) Max
0.160 Max
(4.06)
0.413
(10.490)
Max
1
2
3
4
5
0.250
0.150 (6.35)
(3.81)
0.150
(3.81)
0.100
(2.54)
Tol.: ± 0.010" (0.254mm)
Lead Length 0.750" (19.05mm) Min
R2
R3
R1
R2
R3
3
4
1
2
3
4
5
Document Number: 63114
Revision: 08-Aug-06
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
FIGURE 6 - MOLDED 2R, 3R, 4R RESISTOR NETWORK DIMENSIONS AND CIRCUIT DESIGN
in inches (millimeters)
MODEL 300194Z
(with Z-Foil
Technology)
0.820 (20.828) Max
0.160 Max
(4.06)
R1
0.413
(10.490)
Max
R2
R3
1
2
3
0.150
(3.81)
0.100
(2.54)
0.150
(3.81)
MODEL 300195Z
(with Z-Foil
Technology)
1.20 (30.48) Max
1
2
0.150
(3.81)
0.250
(6.35)
MODEL 300196Z
(with Z-Foil
Technology)
1.20 (30.48) Max
1
2
0.150
(3.81)
0.250
(6.35)
MODEL 300197Z
(with Z-Foil
Technology)
1.20 (30.48) Max
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1
2
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4
5
6
0.150
(3.81)
0.100
(2.54)
1
2
3
4
5
6
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
0.245 (6.223)
R1
R2
R3
R4
0.413
(10.490)
max
3
4
5
1
2
3
4
5
0.250
(6.35)
0.250
(6.35)
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
0.245 (6.223)
R1
R2
R3
R4
0.413
(10.490)
max
3
4
5
6
1
2
3
4
5
6
0.250
(6.35)
0.150
(3.81)
0.100
(2.54)
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
0.245 (6.223)
R1
R2
R3
R4
0.413
(10.490)
max
3
0.250
(6.35)
4
5
6
7
1
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
2
3
4
5
6
7
0.150
(3.81)
0.150
0.150
(3.81)
(3.81)
0.100
0.100
(2.54)
(2.54)
MODEL 300198Z
(with Z-Foil
Technology)
1.20 (30.48) Max
0.245 (6.223)
R1
0.413
(10.490)
max
R2
R3
R4
1
2
0.250
(6.35)
3
4
5
0.250
(6.35)
6
1
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
2
3
4
5
6
0.150
(3.81)
0.150
(3.81)
0.100
(2.54)
SALES
• ASIA/JAPAN: foilsales.asia@vishay.com
• UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com
• AMERICAS: foilsales.usa@vishay.com
• GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com • FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com • ISRAEL: foilsales.israel@vishay.com
Document Number: 63114
Revision: 08-Aug-06
For technical questions, contact: foil@vishay.com
www.vishay.com
4
2R, 3R, 4R (Z-Foil Technology)
Vishay Foil Resistors
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)
FIGURE 7 - MOLDED 2R, 3R, 4R RESISTOR NETWORK DIMENSIONS AND CIRCUIT DESIGN
in inches (millimeters)
MODEL 300199Z
(with Z-Foil
Technology)
1.20 (30.48) Max
0.245 (6.223)
R1
0.413
(10.490)
max
R2
R3
R4
1
2
3
4
0.150
0.150
0.150
0.150
(3.81)
(3.81)
(3.81)
(3.81)
0.100
0.100
0.100
(2.54)
(2.54)
(2.54)
MODEL 300210Z
(with Z-Foil
Technology)
0.820 (20.828) Max
1
0.250
(6.35)
2
0.250 0.150
(6.35) (3.81)
MODEL 300211Z
(with Z-Foil
Technology)
1.20 (30.48) Max
1
2
0.250
(6.35)
3
0.150
(3.81)
N
E
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MODEL 300212Z
(with Z-Foil
Technology)
1.20 (30.48) Max
1
2
3
0.250
(6.35)
0.150
(3.81)
0.250
(6.35)
ORDERING INFORMATION - MOLDED 2R, 3R AND 4R RESISTOR NETWORKS WITH Z-FOIL TECHNOLOGY
Networks are built to your requirements. Send your schematic and electrical requirements to the Applications Engineering Department.
(foil@vishay.com) A unique part number will be assigned which defines all aspects of your network.
SALES
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• GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com • FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com • ISRAEL: foilsales.israel@vishay.com
www.vishay.com
5
For technical questions, contact: foil@vishay.com
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5
6
7
8
1
2
3
4
5
6
7
8
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
0.160 Max
(4.06)
4
0.413
(10.490)
Max
R1
R2
R3
1
2
3
3
4
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
0.245 (6.223)
1
0.413
(10.490)
max
R1
R2
R3
R4
4
5
6
0.250
(6.35)
0.150
(3.81)
0.100
(2.54)
2
3
4
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
5
0.245 (6.223)
1
0.413
(10.490)
max
R1
4
0.250
(6.35)
R2
R3
R4
5
Tol.: ± 0.010" (0.254 mm)
Lead Length 0.750" (19.05 mm) Min
2
3
4
5
Document Number: 63114
Revision: 08-Aug-06
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