Overview
The NTE 2W539 metal oxide resistor is a flameproof, axial-leaded component designed for replacement and original equipment use. With a resistance value of 3.9MΩ and a 2W power rating, this resistor delivers the thermal stability and reliability required in industrial and consumer electronics applications. The ±2% tolerance ensures precise resistance values, while the 500V rated voltage accommodates a wide range of circuit designs.
Key Features
- Flameproof metal oxide film construction for fire safety compliance
- Axial lead design for easy through-hole PCB mounting
- 2% tolerance for accurate circuit performance
- 500V working voltage rating
- High thermal stability under sustained load conditions
- Sold as lot of 10 units for bulk applications and inventory
Technical Specifications
- Resistance Value: 3.9MΩ (3.9 megohms)
- Power Rating: 2W (2 watts)
- Tolerance: ±2%
- Voltage Rating: 500V DC
- Lead Configuration: Axial
- Coating: Flameproof (flame retardant)
- Quantity per Package: 10 units
Typical Applications
The NTE 2W539 is suited for high-resistance, power-dissipation applications including:
- Bias and pull-up circuits in control electronics
- Voltage divider networks in instrumentation
- Load resistors in power supply circuits
- Current-limiting resistors in audio and consumer equipment
- Industrial equipment repair and maintenance replacements
- Original equipment manufacturer (OEM) assembly and prototyping
Compatibility & Replacements
Compatible With
- Standard through-hole PCB designs with 0.1″ grid spacing
- Breadboards and solderable prototyping boards
- Any circuit requiring a 3.9MΩ, 2W resistor at 500V
- RoHS-compliant manufacturing environments
Replaces / Drop-In Replacement For
The NTE 2W539 is a direct replacement for equivalent 3.9MΩ, 2W, flameproof metal oxide resistors from other manufacturers. Verify part number compatibility and thermal/voltage requirements with your original equipment documentation before ordering.
Works With
- Standard soldering equipment and wave-soldering processes
- Through-hole assembly machines
- Manual and automated PCB assembly workflows
- Industrial repair and maintenance kits





