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PDF VHP100 Data sheet ( Hoja de datos )
| Número de pieza | VHP100 | |
| Descripción | Ultra-High Precision Hermetically Sealed Bulk Metal Foil Technology Resistor | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de VHP100 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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VHP100
Vishay Foil Resistors
www.DataUShelettr4Ua.c-oHm igh Precision Hermetically Sealed Bulk Metal® Foil
Technology Resistor with Zero TCR and 0.005 % Tolerance
Any value available within resistance range
Vishay has achieved an essentially zero temperature
coefficient resistor in the VHP100 family. This oil filled
hermetically sealed device makes unique use of foil on
ceramic in such a way that self cancelling responses to
temperature are produced by combining equal and opposite
effects. This product is sold only in hermetic packages
because applications requiring this level of temperature
stability require humidity stability as well.
The value of the hermetic enclosure over the molded part is
in the long term performance. The hermetic sealing prevents
the ingress of moisture and oxygen, while the oil acts as a
thermal conductor.
WINDOW DEFINITION
The TCR of the VHP100 is so small that an additional
definition - window, has been introduced. The window
definition requires that the absolute resistance remain within
the stated window over the temperature range specified. The
resistance of the VHP100 resistor stays within a 60 ppm
window over the entire military temperature range of - 55 °C
to + 125 °C (Figures 1 and 3).
A window of 10 ppm is available for the laboratory instrument
range (+ 15 °C to + 45 °C); see Figure 4 - type VHP101.
TRACKING
Tracking of the VHP100 resistor is also vastly superior to
conventional precision resistors. Typical ± 5 ppm/°C
precision resistors have a worst-case tracking of 10 ppm/°C
(wirewounds) or a difference between resistors of 1000 ppm
(10 ppm/°C x 100 °C) when temperature changes from
+ 25 °C to + 125 °C. For a 3 ppm/°C tracking (Vishay S102C)
the difference will be 300 ppm (3 ppm/°C x 100 °C) for the
same temperature range. The VHP100 resistors will track to
60 ppm from - 55 °C to + 125 °C, a five-fold improvement
over the S102C resistor.
FEATURES
• Essentially Zero TCR: almost zero resistance/
temperature effect
Pb-free
• Absolute Resistance Change (window):
VHP100 < 60 ppm (- 55 °C to + 125 °C)
VHP101 < 10 ppm (+ 15 °C to + 45 °C)
Available
RoHS*
COMPLIANT
• Tolerance: to ± 0.005 %
• No Humidity Effect: Hermetically Sealed1) against Moisture
• Load Life Stability2): ± 20 ppm typical for 2000 hours, 70 °C
at 0.3 Watts
• Shelf Life Stability: ± 2 ppm after at least 10 years
• Resistance Range: 100 Ω to 150 kΩ (other values
available on request)
• Electrostatic Discharge (ESD) above 25 000 Volts
• Non Inductive, Non Capacitive Design
• Current Noise: < - 40 dB
• Thermal EMF: 0.05 µV/°C
• Voltage Coefficient: < 0.1 ppm/V
• Inductance: < 0.08 µH
• Non Hot Spot Design
• Hermeticity: 10-7 atmospheric cc/seconds max
• Terminal Finishes available: Lead (Pb)-free
Tin/Lead Alloy
Notes
1. Oil filled as standard. Air filled available upon request.
2. Load-life stability can be considerably improved through in-house
oriented tests.
FIGURE 1 - A TYPICAL VHP100 RESISTANCE
TEMPERATURE CURVE
60 ppm
Window
- 55 - 25
0 + 25 + 50 + 75 + 100 + 125
Temperature (°C)
FIGURE 2 - POWER DERATING CURVE
- 55 °C
+ 100 %
+ 70 °C Rated Power
+ 75 %
+ 50 %
+ 25 %
0
- 75 - 50 - 25
0 + 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
Ambient Temperature (°C)
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63003
Revision: 18-Jun-07
For any questions, contact: [email protected]
www.vishay.com
1
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| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet VHP100.PDF ] | |
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