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VC2020R0050FB

更新时间： 2024-11-27 05:52:07
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威世 - VISHAY /
页数 文件大小 规格书
4页 106K
描述
Bulk Metal® Foil Technology Conformally Coated Precision Current Sensing Resistors with TCR of 5 ppm/°C and values down to 5 mΩ

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200 Series  
Vishay Foil Resistors  
Bulk Metal® Foil Technology Conformally Coated  
Precision Current Sensing Resistors  
with TCR of 5 ppm/°C and values down to 5 mΩ  
FEATURES  
•
Temperature Coefficient of Resistance (TCR):  
5 ppm/°C (0 to 60 °C) (see table 1)  
Tolerance: to 0.02 % (see table 1)  
Power Rating: 2 W at 25 °C  
Load Life Stability: 0.005 % at 25 °C,  
2000 hours at Rated Power  
Pb-free  
•
•
•
Available  
RoHS*  
COMPLIANT  
Any value available within resistance range  
•
Resistance Range: 0.005 Ω to 500 Ω  
• Electrostatic Discharge (ESD) above 25 000 V  
• Non Inductive, Non Capacitive Design  
The VCS200 Series offers resistance values as low as 5 m  
Ω
and TCR’s as low as 5 ppm/°C with excellent long term  
stability. The resistors are conformally coated. The 4 terminal  
current sensing resistors can sustain 2 W continuously  
without an appreciable change in resistance (0.5 %  
maximum). The typical 50 % derating of the power  
specification associated with other technologies is not  
necessary.  
•
•
•
Rise Time: 1.0 ns without ringing  
Current Noise: < - 40 dB  
Thermal EMF: 0.05 µV/°C typical  
• Voltage Coefficient: < 0.1 ppm/V  
•
•
•
Non Inductive: 0.08 µH  
Non Hot Spot Design  
Terminal Finishes Available:  
Lead (Pb)-free  
Tin/Lead Alloy  
Our Application Engineering Department is available to  
advise and to make recommendations. For non-standard  
technical requirements and special applications, please  
contact us.  
•
•
Any value available within resistance range (e.g. 1K234)  
Prototype samples available from 48 hours. For more  
information, please contact foil@vishay.com  
For better performances, please see VCS300 series  
datasheet  
•
FIGURE 1 - DIMENSIONS AND SCHEMATIC in inches (millimeters)  
Models VCS201, VCS202 and VCS232  
L
W
H
R
V
I
I
D2  
LL  
I1  
E1  
E2  
I2  
D1  
LS  
LT  
(Maximum)  
Solder coated  
copper leads  
L
H
W
LL  
(Minimum)  
LS  
LT  
D1  
(Nominal)  
D2  
(Nominal)  
MODEL  
(Maximum)  
(Maximum)  
0.020 ( 0.51)  
0.020 ( 0.51)  
VCS201  
1.060 (26.92) 0.374 (9.50) 0.177 (4.50) 0.500 (12.7)  
0.530 (13.46)  
0.925 (23.5)  
0.032 (0.81) 0.025 (0.64)  
VCS202,  
VCS232  
1.240 (31.5) 0.512 (13.0) 0.177 (4.50) 0.500 (12.7)  
0.689 (17.5)  
1.083 (27.51)  
0.040 (1.02) 0.032 (0.81)  
TABLE 1 - CHARACTERISTICS  
RESISTANCE  
TIGHTEST RESISTANCE  
TOLERANCE %  
TCR (ppm/°C)  
0 °C to + 60 °C  
MAXIMUM  
CURRENT - Amp  
POWER RATING  
at + 25 °C  
MODEL NUMBER  
RANGE  
0.005 Ω to 0.01 Ω  
1
30  
25  
15  
15  
5
10  
1.5 W  
VCS201 & VCS202  
VCS232  
> 0.01 Ω to 0.05 Ω  
> 0.05 Ω to 0.2 Ω  
0.2 Ω to 1.0 Ω  
0.5  
0.1  
15  
3
2 W  
2 W  
0.05  
0.05  
0.02  
> 1 Ω to 10 Ω  
> 10 Ω to 500 Ω  
5
* Pb containing terminations are not RoHS compliant, exemptions may apply  
Document Number: 63017  
Revision: 16-Jul-07  
For any questions, contact: foil@vishay.com  
www.vishay.com  
1
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