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PDF VCS232Z Data sheet ( Hoja de datos )
| Número de pieza | VCS232Z | |
| Descripción | Ultra High Precision Z-Foil Power Current Sensing Resistor | |
| Fabricantes | Vishay Siliconix | |
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VCS232Z (Z-Foil Technology)
Vishay Foil Resistors
Ultra High Precision Z-Foil Power Current Sensing Resistor with
Absolute TCR of ± 0.05 ppm/°C and Load Life Stability to ± 0.005%
Product may not
be to scale
Any value at any tolerance available with resistance range
INTRODUCTION
VCS232Z is the industry’s first device to prove high rated
power, excellent load life stability along with low TCR and all
in one resistor.
The New Z-Foil Technology provides a significant reduction
of the resistive components sensitivity to ambient
temperature variations (TCR) and applied power changes
(PCR).
The latest development in Foil resistors technology have
reduced the temperature coefficient of Resistance (TCR), to
below ± 0.2 ppm/°C (part per million per degree centigrade).
± 0.05 ppm/°C Absolute TCR removes error due to
temperature gradients.
By taking advantage of the overall stability and reliability of
Vishay Bulk Metal® Z-Foil resistors, designers can
significantly reduce circuit errors and greatly improve overall
circuit performances.
Model VCS232Z is a 4 lead kelvin connected device.
Our Application Engineering Department is available to
advise and make recommendations for non-standard
technical requirements and special applications. Please
contact us.
FIGURE 1 - TRIMMING TO VALUES
(CONCEPTUAL ILLUSTRATION)
Current Path
After Trimming
Current Path
Before 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
FEATURES
• Temperature Coefficient of Resistance (TCR):
± 0.05 ppm/°C (Industrial range)
± 0.2 ppm/°C (MIL range)
• Resistance Range: 0.25Ω to 500Ω
• Power Coefficient “ΔR due to self heating”:
4 ppm/W typical
Pb-free
Available
RoHS*
COMPLIANT
• Load Life stability: < ± 0.005% 2W at 25°C for 2000 hours
• Power rating @ + 25°C: 2 Watts
• Tolerance: to ± 0.02%
• Electrostatic Discharge (ESD) above 25 000 Volts
• Short Time overload ≤ ± 0.005%
• Non hot spot design
• Thermal EMF: 0.05µV/°C
• Rise time: 1ns without ringing
• Current Noise < - 40dB
• Non Inductive/Capacitive design
• Voltage Coefficient < 0.1 ppm/V
• Thermal Finishes available Lead (Pb)-free
Tin/Lead Alloy
• Maximum current: 3 Amps
• For better performances please contact us
APPLICATIONS
• Automatic Test Equipment (ATE)
• High Precision Instrumentation
• Electron Beam application
• Current Sensing applications
• Pulse applications
• Military
• Power amplifier
• Power supplies
I1
E1
E2 I2
FIGURE 2 - DIMENSIONS in inches (millimeters)
L
W
H
D2
D1
LS
LT
LL
Tin/Lead or Lead (Pb)-free
Solder coated
copper leads
Dimensions - Maximum Inches (mm) - unless otherwise noted
MODEL
L
H
W
LL LS LT
(Minimum) ± 0.20 (± 0.5) ± 0.20 (± 0.5)
VCS232Z 1.240 (32.0) 0.512 (13.0) 0.177 (4.50) 0.500 (12.7) 0.688 (17.5) 1.083 (27.5)
D1
(Nominal)
0.040 (1.00)
D2
(Nominal)
0.032 (0.80)
* Pb containing terminations are not RoHS compliant, exemptions may apply
SALES
• AMERICAS: [email protected]
• ASIA/JAPAN: [email protected]
• UK/HOLLAND/SCANDINAVIA: [email protected]
• GERMANY/CZECH REPUBLIC/AUSTRIA: [email protected] • FRANCE/SWITZERLAND/SOUTHERN EUROPE: [email protected] • ISRAEL: [email protected]
Document Number: 63095
Revision: 08-Aug-06
For technical questions, contact: [email protected]
www.vishay.com
111
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| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet VCS232Z.PDF ] | |
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