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Vishay Intertechnology Electronic Components Datasheet

Z201 Datasheet

Ultra High Precision Z-Foil Resistor

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Z201 pdf
Z201 (Z-Foil)
Vishay Foil Resistors
Ultra High Precision Z-Foil Resistor with TCR of ± 0.05 ppm/°C,
PCR of 5 ppm at Rated Power, Tolerance of ± 0.005 %
and Load Life Stability of ± 0.005 %
INDUSTRY BREAKTHROUGH
Any value at any tolerance available within resistance rage
INTRODUCTION
The Z201 (0.150" lead spacing) and Z201L (0.200" lead
spacing) Bulk Metal® Z-Foil resistors represent an industry
breakthrough. This is the 3rd in a series of ultra-precision
resistors since the first Bulk Metal® Foil resistor was
introduced by Vishay in 1962. Each represents an
improvement on the earlier model. The TCR slope of the
Z201 is 0.2 ppm/°C (- 55 °C to + 125 °C, + 25 °C Ref.) and is
an order of magnitude better than the original S102C. The
Bulk Metal® Z-Foil resistor is the ultimate choice in the most
demanding analog applications.
The Z-Foil technology provides a significant reduction of the
resistive component’s sensitivity to ambient temperature
variations (TCR) and applied power changes (PCR).
Designers can now guarantee a high degree of stability and
accuracy in fixed-resistor applications using solutions based
on Vishay’s revolutionary Z-Foil technology.
Our Application Engineering Department is available to
advise and to make recommendations. For non-standard
technical requirements and special applications, please
contact us.
TABLE 1 - TOLERANCE AND TCR VERSUS
FEATURES
Temperature Coefficient of Resistance (TCR):
± 0.05 ppm/°C typical (0 °C to + 60 °C)
Pb-free
± 0.2 ppm/°C typical (-55 °C to + 125 °C,
Available
+ 25 °C Ref.)
RoHS*
Power Coefficient of Resistance “ΔR due to self COMPLIANT
heating”: ± 5 ppm at Rated Power
Rated Power: 0.6 W at 70 °C
0.3 W at 125 °C
Resistance Tolerance: to ± 0.005 %
Load Life Stability: to ± 0.005 % at 70 °C, 2000 hours at
Rated Power
Resistance Range: 10 Ω to 100 kΩ (higher or lower Values
of Resistance available)
Electrostatic Discharge (ESD) above 25 000 Volts
Non Inductive, Non Capacitive Design
Rise Time: 1.0 ns without ringing
Current Noise: 0.01: - 40 dB
Thermal EMF: 0.1 µV/°C Max.
0.05 µV/°C typical
Voltage Coefficient: < 0.1 ppm/V
Non Inductive: 0.08 µH
Terminal Finishes available: Lead (Pb)-free
Tin/Lead Alloy
Maximum Working Voltage: 300 V
Drop in Replacement for S102C/K
Matched sets are available per request
For better performances please contact us
APPLICATIONS
Precision Amplifiers, High Precision Instrumentation,
Medical and Automatic Test Equipment
Laboratory, Audio (High End Stereo Equipment)
EB Applications, Military, Airborne and Space
Down-hole (High Temperature)
FIGURE 1 - POWER DERATING CURVE
- 55 °C
200 %
175 %
+ 70 °C
Double Rated Power
VALUE
STANDARD
TOLERANCE
100 Ω to 100 kΩ
80 Ω to < 100 Ω
50 Ω to < 80 Ω
25 Ω to < 50 Ω
10 Ω to < 25 Ω
± 0.005 %
± 0.005 %
± 0.01 %
± 0.01 %
± 0.02 %
TYPICAL TCR AND
MAXIMUM SPREAD
- 55 °C TO + 125 °C
(+ 25 °C REF.)
± 0.2 ± 0.6 ppm/°C
± 0.2 ± 0.8 ppm/°C
± 0.2 ± 1.0 ppm/°C
± 0.2 ± 1.3 ppm/°C
± 0.2 ± 1.6 ppm/°C
150 %
125 %
100 %
75 %
50 %
Rated Power
Safe operation
for < 150 ppm
ΔR after
2000 hours
load life
25 %
0
- 75 - 50 - 25 0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
Ambient Temperature (°C)
* Pb containing terminations are RoHS compliant, exemptions may apply
Document Number: 63113
Revision: 19-Apr-07
For any questions, contact: foil@vishay.com
www.vishay.com
1



Vishay Intertechnology Electronic Components Datasheet

Z201 Datasheet

Ultra High Precision Z-Foil Resistor

No Preview Available !

Z201 pdf
Z201 (Z-Foil)
Vishay Foil Resistors Ultra High Precision Z-Foil Resistor with TCR of
± 0.05 ppm/°C, PCR of 5 ppm at Rated Power, Tolerance
of ± 0.005 % and Load Life Stability of ± 0.005 %
FIGURE 2 - TRIMMING TO VALUES
(Conceptual Illustration)
Interloop Capacitance
Reduction in Series
Mutual Inductance
Reduction due
to Change in
Current Direction
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
FIGURE 3 - TYPICAL TCR CURVE Z-FOIL
+ 500
+ 400
+ 300
+ 200
ΔR + 100
R0
(ppm)- 100
- 200
- 300
- 400
- 500
0.05 ppm/°C
- 0.1 ppm/°C
- 0.16 ppm/°C
0.1 ppm/°C
0.14 ppm/°C
0.2 ppm/°C
- 55 - 25
0 + 25 + 60 + 75 + 100 + 125
Ambient Temperature (°C)
FIGURE 4 - STANDARD IMPRINTING AND DIMENSIONS
Front View
Rear View
L
Optional Customer Part Number
W Print specification, etc. if required
Date Code
VISHAY 07 16
H XXXX Year Week
Z201
ST*
XXXXXX
100R01
0.01%
Resistance
Value Code
Tolerance
Model Name
LS
SW
Lead Material #22 AWG
Round Solder Coated Copper
LL
* The standoffs shall be so located as to give a lead clearance of 0.010" minimum between the resistor body and the printed circuit board
when the standoffs are seated on the printed circuit board. This is to allow for proper cleaning of flux and other contaminants from the unit
after all soldering processes.
Z 201
Z 201 L
Inches
mm
Inches
mm
LS
0.150 ± 0.005
3.81 ± 0.13
0.200 ± 0.005
5.08 ± 0.13
W
0.105 ± 0.010
2.67 ± 0.25
L
0.300 ± 0.010
7.62 ± 0.25
H
0.326 ± 0.010
8.28 ± 0.25
ST
0.010 min
0.254 min
SW LL
0.035 ± 0.01 1.000 ± 0.125
1.02 ± 0.13 25.4 ± 3.18
TABLE 2 - Z201 SPECIFICATIONS
Stability
Load Life at 2000 hours
Load Life at 10 000 hours
± 0.005 % Max ΔR at 0.1 W/+ 70 °C
± 0.015 % Max ΔR at 0.3 W/+ 125 °C
± 0.01 % Max ΔR at 0.05 W/+ 125 °C
± 0.05 % Max ΔR at 0.3 W/+ 125 °C
www.vishay.com
2
For any questions, contact: foil@vishay.com
Document Number: 63113
Revision: 19-Apr-07



Vishay Intertechnology Electronic Components Datasheet

Z201 Datasheet

Ultra High Precision Z-Foil Resistor

No Preview Available !

Z201 pdf
Z201 (Z-Foil)
Ultra High Precision Z-Foil Resistor with TCR of Vishay Foil Resistors
± 0.05 ppm/°C, PCR of 5 ppm at Rated Power, Tolerance
of ± 0.005 % and Load Life Stability of ± 0.005 %
TABLE 3 - ENVIRONMENTAL PERFORMANCE COMPARISON
MIL-PRF-55182
CHAR J
VISHAY Z201
MAXIMUM ΔR
TYPICAL ΔR
Test Group I
Thermal Shock
Short Time Overload
± 0.2 %
± 0.2 %
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
± 0.003 % (30 ppm)
Test Group II
Resistance Temperature
Characteristic
Low Temperature Storage
Low Temperature Operation
Terminal Strength
± 25 ppm/°C
± 0.15 %
± 0.15 %
± 0.2 %
see Table 1
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.05 ppm/°C
(0 °C to + 60 °C)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
Test Group III
DWV
Resistance to Solder Heat
Moisture Resistance
± 0.15 %
± 0.1 %
± 0.4 %
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.05 % (500 ppm)
± 0.002 % (20 ppm)
± 0.005 % (50 ppm)
± 0.01 % (100 ppm)
Test Group IV
Shock
Vibration
± 0.2 %
± 0.2 %
± 0.01 % (100 ppm)
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
± 0.002 % (20 ppm)
Test Group V
Life Test at 0.3 W/+ 125 °C
2000 hours
10 000 hours
± 0.5 %
± 2.0 %
± 0.015 % (150 ppm)
± 0.05 % (500 ppm)
± 0.01 % (100 ppm)
± 0.03 % (300 ppm)
Test Group Va
Life Test at 0.6 W (2 x Rated Power)/+ 70 °C, 2000 hours
± 0.5 %
± 0.015 % (150 ppm)
± 0.01 % (100 ppm)
Test Group VI
High Temperature Exposure
± 2.0 %
± 0.1 % (1000 ppm)
± 0.05 % (500 ppm)
Test Group VII
Voltage Coefficient
0.005 %/V
< 0.00001 %/V
< 0.00001 %/V
STANDARD MEASUREMENT (at room temperature)
Standard Test Conditions:
Temperature: + 23 °C ± 2 °C
Relative humidity: 35 to 65 % RH
Lead test point: 0.5" (12.7 mm) from resistor body
IMPROVED PERFORMANCE TESTING
The preceding information is based on product directly off the production line. Improved performance (meaning increased time
stability with load and other stresses) is available through factory conducted "Improved Performance Testing". The test routine
is usually tailored to the user’s stability objectives. A screened product can be brought down to a potential load life drift of less
than 50 ppm.
For example, the data sheet “7 Technical Reasons to Specify BMF Resistive Components” shows the drift characteristics of a
standard product.
Various screen test routines are available and all anticipated stresses must be taken into account before settling on one specific
test routine. Our Applications Engineering Department is available to discuss and recommend appropriate routines given the full
spectrum of anticipated stresses and stability requirements.
Document Number: 63113
Revision: 19-Apr-07
For any questions, contact: foil@vishay.com
www.vishay.com
3




Part Number Z201
Description Ultra High Precision Z-Foil Resistor
Maker Vishay
Total Page 5 Pages
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