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Vishay - High Resolution Z-Foil Audio Resistor

Numéro de référence Y070680R5000A0L
Description High Resolution Z-Foil Audio Resistor
Fabricant Vishay 
Logo Vishay 





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Y070680R5000A0L fiche technique
VAR (Vishay Audio Resistor)
Vishay Foil Resistors
Ultra High Precision, High Resolution Z-Foil Audio Resistor,
with TCR of ± 0.2 ppm/°C, Tolerance to ± 0.01 %
and Noise < - 40 dB
Any value at any tolerance available within resistance range
INTRODUCTION
The VAR, composed of Vishay’s Bulk Metal® Z-foil
technology, with improved sound quality, provides a
combination of low noise and low inductance/capacitance,
making it unrivalled for applications requiring low noise and
distortion-free properties.
While the regular foil resistors are already widely
acknowledged as the leading resistors for audio applications,
the special “naked Z-foil resistor” design without mold or
encapsulation, adds an additional dimension for reducing
signal distortion and increasing clarity in signal processing.
Our application engineering department is available to
advise and to make recommendations. For non-standard
technical requirements and special applications, please
contact us.
FIGURE 1 - TYPICAL TCR CURVE Z-FOIL
FEATURES
Temperature coefficient of resistance (TCR):
- 55 °C to + 125 °C, 25 °C ref.
± 0.2 ppm/°C typical (see table 1)
Rated power: to 0.4 W at + 70 °C
Pb-free
Available
RoHS*
COMPLIANT
Tolerance: to ± 0.01 %
Load life stability: to ± 0.01 % at 70 °C, 2000 h at rated
power
Resistance range: 10 Ω to 100 kΩ (higher or lower values
of resistance are available)
Electrostatic discharge (ESD) above 25 000 V
Non inductive, non capacitive design
Rise time: 1 ns without ringing
Current noise: < - 40 dB
Thermal EMF: 0.05 µV/°C typical
Voltage coefficient: < 0.1 ppm/V
Low inductance: < 0.08 µH typical
Non hot spot design
Terminal finishes available: lead (Pb)-free
tin/lead alloy
+ 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)
APPLICATIONS
High precision amplifiers
High-end speaker system
High-end audio circuit
Transducer
High fidelity audio amplifier
TABLE 1 - RESISTANCE VERSUS TCR (- 55 °C to + 125 °C, + 25 °C Ref.)
RESISTOR
RESISTANCE VALUE
(Ω)
TYPICAL TCR AND MAXIMUM SPREAD
(ppm/°C)
100 to < 100K
± 0.2 ± 1.8
VAR
50 to < 100
± 0.2 ± 2.8
10 to < 50
± 0.2 ± 3.8
Note:
• For other values and tighter tolerances, please contact application engineering using the footer below
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63140
Revision: 12-Feb-08
For any questions, contact: [email protected]
TIGHTEST TOLERANCE
(%)
0.01
0.01
0.02
www.vishay.com
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