Overview
The Ohmite 40J2K0 is a 10-watt fixed resistor with a 2000-ohm resistance rating, part of Ohmite’s economical 40 Series. This all-welded resistor combines durability and cost-effectiveness, making it a standard choice for electronic designs requiring reliable fixed resistor elements. The conformal silicone-ceramic coating provides excellent protection against thermal shock and environmental stress, while maintaining consistent electrical performance across industrial, communications, and general electronic applications.
Key Features
- All-welded construction — ensures mechanical durability and longevity
- Conformal silicone-ceramic coating — protects against thermal shock and environmental degradation
- Low temperature coefficient — maintains stable resistance across temperature ranges
- RoHS compliant — meets lead-free and environmental standards
- Bulk packaging — box of 25 units for production runs and repair stockpiles
- Industrial-grade quality — exceeds standard industry requirements
Technical Specifications
| Parameter | Value |
| Manufacturer Part Number | 40J2K0 |
| Resistance Value | 2000 Ω (ohms) |
| Power Rating | 10 watts |
| Series | 40 Series (all-welded) |
| Construction Type | Wirewound, all-welded |
| Coating | Conformal silicone-ceramic |
| Operating Temperature Range | –55°C to +275°C |
| Temperature Coefficient | ±260 ppm/°C (typical) |
| Tolerance | ±5% or ±1% (depending on selection code) |
| Overload Rating | 10× rated wattage for 5 seconds |
| RoHS Compliance | Yes |
| Packaging | Box of 25 units |
| Terminal Type | Axial leads, solder-coated copper clad |
Typical Applications
- Industrial control circuits and equipment
- Power supply circuits and charging circuits
- Communications equipment and RF applications
- Testing and measurement instrumentations
- Current limiting and load resistor networks
- Thermal management and heat dissipation circuits
Compatibility & Replacements
Compatible With
- Industrial PCB designs requiring 10W fixed resistor elements
- Legacy and modern electronic assemblies using through-hole components
- Standard 0.125-inch axial lead spacing (DIP-like mounting)
- Universal soldering equipment and wave-soldering systems
Replaces / Drop-In Replacement For
- Other Ohmite 40 Series 10W resistors with equivalent resistance and tolerance values
- Generic wirewound 10W fixed resistors from equivalent manufacturers
- Note: Always verify resistance value, power rating, and tolerance before substitution
Works With
- Standard through-hole PCB layouts and perf-board prototyping
- Industrial automation control systems
- Test equipment and laboratory instrumentation
- Lead-free and RoHS-compliant assembly processes
