VAR
Built on VFR’s Bulk Metal® Z-Foil technology, the VAR provides a combination of low noise and low inductance/capacitance, making it unrivalled for audio applications
Features:
- “Naked Z-Foil resistor” design without mold or encapsulation for reduced signal distortion
- Temperature coefficient of resistance (TCR):
- ±0.05 ppm/°C typical (0°C to +60°C, +25°C ref.)
- ±0.2 ppm/°C typical (0°C to +125°C, +25°C ref.)
- Power rating: to 0.4 W at +70°C
- Resistance tolerance: to ±0.005%
- Load life stability: to ±0.005% at +70°C, 2000 h at rated power
- Non inductive, non-capacitive design
- Rise time: 1 ns without ringing
- Current noise: 0.010 μV RMS/V of applied voltage (<-40 dB)
- Thermal EMF: 0.05 μV/°C
- Voltage coefficient: <0.1 ppm/V
- Inductance: <0.08 μH
- Thermal stabilization time <1 s (nominal value achieved within 10 ppm of steady state value)
- Electrostatic discharge (ESD) at least to 25 kV
Related Information:
