RWR81S4990FRB12
RES 499 OHM 1W 1% WW AXIALManufacturer: Vishay Dale
Categories: Through Hole Resistors
Quality Control: Learn More
Vishay Dale RWR81S4990FRB12, a MIL-PRF-39007 qualified wirewound resistor, offers a nominal resistance of 499 Ohms with a tight ±1% tolerance. This axial-leaded component is rated for 1 Watt of power dissipation and operates reliably across a wide temperature range from -55°C to +250°C, featuring a low temperature coefficient of ±20ppm/°C. The RWR81S series is engineered for demanding applications, including military and aerospace systems, where its moisture resistance and robust construction are critical. The resistor's construction ensures stability and precision in high-reliability environments. It is supplied in bulk packaging.
Additional Information
Series: Military, MIL-PRF-39007, RWR81SRoHS Status: RoHS Compliant By ExemptionManufacturer Lead Time: 33 week(s)Product Status: ActivePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Power (Watts) | 1W |
| Tolerance | ±1% |
| Features | Military, Moisture Resistant |
| Packaging | Bulk |
| Package / Case | Axial |
| Temperature Coefficient | ±20ppm/°C |
| Size / Dimension | 0.085"" Dia x 0.250"" L (2.16mm x 6.35mm) |
| Composition | Wirewound |
| Operating Temperature | -55°C ~ 250°C |
| Number of Terminations | 2 |
| Supplier Device Package | Axial |
| Height - Seated (Max) | - |
| Failure Rate | R (0.01%) |
| Resistance | 499 Ohms |
Request a Quote
Clients Also Buy
RWR81S1000FRB12
RES 100 OHM 1% 1W AXIAL
RWR81S1000FSB12
RES 100 OHM 1W 1% WW AXIAL
RWR81S1001FRB12
RES 1K OHM 1W 1% WW AXIAL
