Overview
The Vishay Dale RER40F1000R is a military-qualified wirewound power resistor engineered for high-reliability applications in industrial and defense systems. Rated at 100Ω with 5W continuous power handling and ±1% tolerance, this resistor combines precision, durability, and established reliability performance.
Key Features
- MIL-PRF-39009 qualified Type RER at R (0.01%) failure rate level
- Aluminum heat sink housing for efficient thermal management
- Complete welded construction for robust environmental protection
- ±1% tolerance with ±20ppm/°C temperature coefficient
- Axial lead design with solder lug terminals for secure mounting
- Non-inductive Ayrton-Perry winding option available (RER40N variant)
Technical Specifications
- Resistance: 100Ω
- Power Rating: 5W @ 25°C
- Tolerance: ±1%
- Temperature Coefficient: ±20ppm/°C
- Operating Temperature Range: −55°C to +250°C
- Technology: Wirewound
- Housing: Aluminum, Flanged
- Mounting: Chassis Mount
- Lead Style: Solder Lugs
- Dimensions: 15.24mm × 16.41mm (L × W), 8.51mm height seated
- Case Size: 0.600″ × 0.646″ × 0.335″
Typical Applications
- Military avionics and weapons systems
- Industrial process control and instrumentation
- Power supply circuits and current limiting networks
- Test and measurement equipment requiring precision resistances
- High-temperature automotive and harsh environment deployments
- Established reliability systems where failure rates must be tracked and documented
Compatibility & Replacements
Compatible With
- Military avionics platforms and defense contractors
- Industrial control systems requiring MIL-PRF-39009 components
- High-temperature power circuits and thermal management assemblies
- Solder lug mounted chassis designs and PCB edge applications
Replaces / Drop-In Replacement For
- RER40F1000RC02 (functionally equivalent variant)
- Equivalent military resistors to MIL-PRF-39009 Type RER specification
- Legacy RER40 series 100Ω resistors in established reliability applications
Works With
- MIL-PRF-39009 certified design environments
- Precision measurement and data acquisition systems
- Power distribution and current sensing networks
- High-reliability industrial and aerospace platforms
