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參數(shù)資料
| 型號(hào)： | VCS232Z |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Ultra High Precision Z-Foil Power Current Sensing Resistor with Absolute TCR of 【 0.05 ppm/∑C and Load Life Stability to 【 0.005% |
| 中文描述： | 超高精度Z箔電源電流檢測(cè)電阻器，絕對(duì)TCR的【0.05分之/ΣC和負(fù)載壽命穩(wěn)定性的【0.005％ |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 106K |
| 代理商： | VCS232Z |
VCS232Z (Z-Foil Technology)
Vishay Foil Resistors
Document Number: 63095
Revision: 08-Aug-06
For technical questions, contact: foil@vishay.com
www.vishay.com
111
Ultra High Precision Z-Foil Power Current Sensing Resistor with
Absolute TCR of ± 0.05 ppm/°C and Load Life Stability to ± 0.005%
NEWPRODUCT
MODEL
L
H
W
(Minimum)
VCS232Z
1.240 (32.0)
0.512 (13.0)
0.177 (4.50)
0.500 (12.7)
SALES
AMERICAS: foilsales.usa@vishay.com
GERMANY/CZECH REPUBLIC/AUSTRIA: foilsales.eucentral@vishay.com
ASIA/JAPAN: foilsales.asia@vishay.com
FRANCE/SWITZERLAND/SOUTHERN EUROPE: foilsales.eusouth@vishay.com
UK/HOLLAND/SCANDINAVIA: foilsales.eunorth@vishay.com
ISRAEL: foilsales.israel@vishay.com
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)
FEATURES
Temperature Coefficient of Resistance (TCR):
± 0.05 ppm/°C (Industrial range)
± 0.2 ppm/°C (MIL range)
Resistance Range: 0.25
Ω
to 500
Ω
Power Coefficient “
Δ
R due to self heating”:
4 ppm/W typical
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
Product may not
be to scale
u
rrent Path
After Trimming
u
rrent Path
Before Trimming
Trimming Process
Remo
v
es this Material
from Shorting Strip Area
Changing C
u
rrent Path
and Increasing
Resistance
NOTE:
Foil sho
w
n in
b
lack, etched spaces in
w
hite
A
v
aila
b
le
b
-free
RoHS*
COMPLIANT
* Pb containing terminations are not RoHS compliant, exemptions may apply
FIGURE 2 - DIMENSIONS
in inches (millimeters)
Dimensions - Maximum Inches (mm) - unless otherwise noted
LL
LS
± 0.20 (± 0.5)
0.688 (17.5)
LT
± 0.20 (± 0.5)
1.083 (27.5)
D
1
(Nominal)
0.040 (1.00)
D
2
(Nominal)
0.032 (0.80)
LT
H
L
LL
1
LS
2
Tin/Lead or Lead (Pb)-free
Solder coated
copper leads
T
I
1
1
2
I
2
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