RLR20C3921FS Specifications
Manufacturer: Vishay
Part Number: RLR20C3921FS
NSN: 5905-01-188-2334
Product Type: Metal Film Resistor
Resistance Value: 3.92 kOhms
Tolerance: ±1%
Power Rating: 0.5 Watt
Resistor Style: Axial Lead
Construction: Precision Metal Film
Temperature Coefficient: ±100 ppm/°C
Operating Temperature Range: -55°C to +155°C
Failure Rate: Established Reliability
Compliance: MIL-PRF-39017
Packaging: Factory
Key Features
The RLR20C3921FS is a MIL-PRF-39017 qualified precision metal film resistor designed for aerospace and defense applications. It provides 3.92 kOhms resistance with ±1% tolerance and a 0.5 watt power rating. Additionally, the established reliability classification supports use in mission-critical electronic assemblies. The metal film construction ensures stable performance and low noise characteristics. Because it meets military performance standards, it integrates directly into regulated defense and aerospace platforms. As a result, it delivers dependable signal accuracy and long-term stability in harsh operational environments.
Applications
Military aircraft avionics systems
Ground vehicle communication modules
Naval radar control assemblies
Aerospace instrumentation circuits
Defense electronic subsystems
Precision signal conditioning networks
High-reliability voltage divider circuits
Power supply feedback control systems
Product Overview
The RLR20C3921FS from Vishay delivers stable resistance and predictable thermal behavior in demanding electronic systems. First, its 3.92 kOhms value supports accurate voltage division and signal conditioning. Furthermore, the 0.5 watt rating allows reliable operation in compact circuit designs. Because it is manufactured to MIL-PRF-39017 standards, it ensures qualification compliance and consistent long-term performance.
Moreover, the precision metal film design improves resistance stability compared to carbon-based alternatives. In addition, the axial lead format supports secure through-hole mounting in rugged assemblies. Therefore, it is suitable for both new production builds and maintenance replacements. Overall, this resistor provides dependable electrical accuracy, mechanical durability, and military-grade reliability.
Contact Us
Cyndtek supplies new, factory-packaged Vishay MIL-spec resistors for aerospace, defense, and industrial procurement programs. If you require immediate availability or program-level pricing, contact our team directly. We support OEMs, contractors, and procurement professionals nationwide. For ordering details and current inventory, visit https://cyndtek.com/shop/.
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