VHP100 Ultra-High Precision Hermetically Sealed Bulk Metal® Foil Resistor

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            VHP100 Ultra-High Precision Hermetically Sealed Bulk Metal® Foil Resistor
                    The VPG Foil Resistors VHP100 are hermetically sealed Bulk Metal foil resistors with zero temperature coefficient of resistance (TCR)
    

Image of VPG Foil Resistors VHP100 Ultra-High Precision Hermetically Sealed Bulk Metal® Foil Resistor The VPG Foil Resistors VHP100 is a hermetically sealed Bulk Metal foil resistor designed for ultra-high precision applications. It is specified with essentially zero TCR and a defined resistance window over temperature. The device is constructed to minimize the effects of stress and humidity and is available in resistance values from 100 Ω to 150 kΩ.

Features

TCR: Essentially zero TCR <60 ppm (-55°C to +125°C)
Resistance range: 100 Ω to 150 kΩ
Resistance tolerance: ±0.005% to ±1.0% (at +25°C)
Power rating: 0.3 W at +70°C; 0.15 W at +125°C
Load life stability: ±0.015% (150 ppm) maximum ΔR for 2000 h (0.3 W at +70°C; 0.15 W at +125°C)

Shelf-life stability: ±0.0005% (5 ppm) maximum ΔR after 1 year; ±0.0010% (10 ppm) maximum ΔR after 3 years
Thermal EMF: 0.05 µV/°C (due to temperature difference between leads)
Maximum working voltage: 300 V
Voltage coefficient: <0.1 ppm/V
Hermeticity: 10⁻⁷ atmospheric cc/s maximum

Applications

Precision instrumentation: reference and calibration circuits
Metrology systems: applications requiring defined ppm window over temperature

Laboratory equipment: resistance standards and measurement systems
Aerospace and defense electronics: hermetically sealed precision resistor functions