TT ELECTRONICS / WELWYN - Resistor, Wirewound 5% 0R33 - 3W
Precision 0.33 ohm wirewound resistor, 3W power rating, ±5% tolerance. Axial leaded for reliable performance in industrial electronics.
The TT ELECTRONICS / WELWYN W21 Series resistor is a high-quality, axial leaded wirewound component designed for demanding electronic applications. This robust resistor offers a precise resistance value of 0.33 ohms with a tolerance of ±5%, making it an ideal choice for circuits requiring accurate current limiting, power dissipation, or voltage division.
Constructed using durable wirewound technology, this resistor delivers a reliable 3-watt power rating, capable of handling significant electrical loads. Its high voltage rating of 100V ensures stable performance in a variety of circuit configurations. The component is engineered to operate across an exceptionally wide temperature range, from a minimum of -55°C to a maximum of 350°C, providing resilience in challenging environmental conditions.
Featuring a stable temperature coefficient of ±75ppm/°C, the resistor maintains consistent performance with minimal drift due to temperature fluctuations. This makes it suitable for precision applications in industrial controls, power supplies, motor drives, and test equipment. The axial leaded package allows for easy through-hole mounting on printed circuit boards (PCBs), facilitating straightforward integration into your electronic designs.
With its robust construction and reliable specifications, this wirewound resistor is a fundamental component for engineers and hobbyists seeking durability and precision. It is free from Substances of Very High Concern (SVHC), as confirmed in the latest assessment, ensuring compliance with environmental and safety regulations for electronic manufacturing.
Variant Details
- Size: 3W
- Current limiting circuits
- Power supply designs
- Motor control applications
- Industrial control systems
- Resistance: 0.33 ohm
- Product Range: W21 Series
- Resistor Case / Package: Axial Leaded
- Power Rating: 3W
- Resistance Tolerance: ±5%
- Voltage Rating: 100V
- Resistor Technology: Wirewound
- Temperature Coefficient: ±75ppm/°C
- Operating Temperature Range: -55°C to 350°C
- Operating Temperature Min: -55°C
- Operating Temperature Max: 350°C
- SVHC: No SVHC (17-Jan-2023)
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