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Número de piezaY107325R4540C0L Vishay
Vishay Semiconductors Vishay
componentes DescripciónUltra High Precision Z-Foil Miniature Resistor with TCR of ± 0.05 ppm/°C, PCR of 5 ppm at Rated Power and Tolerance to ± 0.01 %
Y107325R4540C0L Datasheet PDF : 4 Pages
1 2 3 4
Z202
Vishay Foil Resistors Ultra High Precision Z-Foil Miniature Resistor with
TCR of ± 0.05 ppm/°C, PCR of 5 ppm at Rated Power
and Tolerance to ± 0.01 %
FIGURE 3 - TYPICAL TCR CURVE Z-FOIL
+ 500
+ 400
+ 300
+ 200
ΔR + 100
R
0
(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 - 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
TABLE 2 - ENVIRONMENTAL PERFORMANCE COMPARISON
MIL-PRF-55182
CHAR J
VISHAY Z202
MAXIMUM ΔR
TYPICAL ΔR
Test Group I
Thermal shock (5 x - 65 °C to + 150 °C)
± 0.2 %
± 0.01 % (100 ppm)
± 0.005 % (50 ppm)
Short time overload (6.25 x Pnom x 5 s)
Test Group II
± 0.2 %
± 0.01 % (100 ppm)
± 0.005 % (50 ppm)
Resistance temperature characteristic
± 25 ppm/°C
See table 1
± 0.05 ppm/°C
(0 °C to + 60 °C)
Low temperature storage
± 0.15 %
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
Low temperature operation
± 0.15 %
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
Terminal strength
± 0.2 %
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
Test Group III
DWV
± 0.15 %
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
Resistance to soldering heat
± 0.1 %
± 0.01 % (100 ppm)
± 0.005 % (50 ppm)
Moisture resistance
± 0.4 %
± 0.05 % (500 ppm)
± 0.01 % (100 ppm)
Test Group IV
Shock
± 0.2 %
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
Vibration
± 0.2 %
± 0.01 % (100 ppm)
± 0.002 % (20 ppm)
Test Group V
Life test at 0.125 W, 125 °C for 2000 h
± 0.5 %
± 0.025 % (250 ppm) ± 0.01 % (100 ppm)
Test Group Va
Life test at 0.25 W (2 x rated power), 70 °C for 2000 h
± 0.5 %
± 0.02 % (200 ppm)
± 0.01 % (100 ppm)
Test Group VI
High temperature exposure
± 2.0 %
± 0.1 % (1000 ppm)
± 0.05 % (500 ppm)
www.vishay.com
2
For any questions, contact: foil@vishay.com
Document Number: 63131
Revision: 13-Nov-07
Direct download click here
 

Any value at any tolerance available with resistance range

The Z202 is a miniaturized version of the now famous Z201. It is made with a Bulk Metal® Z-Foil element so it retains all of the inherent performance of Z-Foil resistors.
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.

FEATURES
• Temperature coefficient of resistance (TCR):
   ± 0.05 ppm/°C typical (0 °C to + 60 °C);
   ± 0.2 ppm/°C typical (- 55 °C to + 125 °C,
   + 25 °C ref.)
• Tolerance: to ± 0.01 %
• Power coefficient of resistance (PCR) “ΔR due to self heating”: ± 5 ppm at rated rower
• Electrostatic discharge (ESD) above 25 000 V
• Resistance range: 5 Ω to 30 kΩ (for higher or lower values, please contact us)
• Power rating: 0.25 W at + 70 °C; 0.125 W at + 125 °C
• Load life stability: ± 0.01 % maximum ΔR at + 70 °C at Rated power for 2000 h
• Non inductive, non capacitive design
• Current noise: - 40 dB
• Thermal EMF: < 0.1 µV/°C
• Voltage coefficient: < 0.1 ppm/V
• Non inductive: < 0.08 µH
• Non hot spot design
• Maximum working voltage: 250 V
• Terminal finishes available: lead (Pb)-free
                                    tin/lead alloy
• Any value available within resistance range (e.g. 1K234)
• Prototype samples available from 48 h. For more information, please contact foil@vishay.com
• For better performances, please see Z201 datasheet

 

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