Overview
The Vishay Dale ROX-2 1MΩ 10% metal oxide resistor is a specialized high-voltage component engineered for demanding industrial and commercial electronics applications. The ROX is an excellent choice for high voltage systems with the advantage of high wattage and space saving dimensions. This bulk offering of 20 units provides cost-effective inventory for system integrators, maintenance techs, and controls engineers requiring precision resistors for high-voltage circuits.
Key Features
- High voltage metal oxide resistor with excellent performance for high voltage systems and space saving dimensions
- High temperature fired cermet film element, high purity 96% alumina core, and solder-coated copper terminals
- Low TCR: ±200 ppm/°C standard with ±100 ppm/°C and ±50 ppm/°C options available
- Rated for high voltage up to 45 kV
- Suitable for special purpose and oil bath or open air operation
- 10% tolerance with 1 MΩ resistance value calibrated at 100 VDC
Technical Specifications
- Resistance Value: 1 MΩ
- Tolerance: ±10%
- Temperature Coefficient: ±200 ppm/°C standard
- Maximum Voltage Rating: Up to 45 kV
- Lead Material: Solder-coated copper
- Core Material: High purity 96% alumina
- Film Element: High temperature fired cermet
- Calibration Voltage: 100 VDC (for values above 100 kΩ)
- Operating Environment: Oil bath or open air
- Package Quantity: 20 units
Typical Applications
The Vishay Dale ROX-2 1MΩ resistor is widely used in:
- High-voltage power supplies and test equipment
- Voltage divider networks in high-voltage circuits
- Industrial power electronics and motor drives
- Oil-filled transformers and power transmission equipment
- Calibration and measurement systems requiring precision resistance
- Pulse power and high-energy electronics applications
Compatibility & Replacements
Compatible With
- High-voltage PCB assembly with through-hole lead spacing
- Oil-filled enclosures and potted assemblies
- Standard solder-based PCB attachment methods
- Welding-compatible lead terminations for specialized applications
Replaces / Drop-In Replacement For
The ROX-2 1MΩ 10% is part of the Vishay Dale ROX series and is a direct replacement for equivalent 1 MΩ metal oxide resistors of the same series. Verify compatibility with your system integrator before ordering to ensure lead diameter, voltage rating, and tolerance requirements match your application.
Works With
- Standard through-hole PCB design tools and CAD libraries
- High-voltage industrial control systems
- Power supply design methodologies requiring precision voltage dividers
- Test and measurement equipment for voltage scaling and impedance matching






