TT Electronics 0R33 Flame Proof Resistor, Wirewound, 3W, Axial
TT Electronics 0.33 ohm, 3W flame proof wirewound resistor. Axial leaded, 100V rated, ideal for current sensing & power circuits.
The TT Electronics 0R33 Wirewound Resistor from the W31 Series offers a precise and reliable solution for current sensing and circuit protection applications. This flame proof, wirewound component is engineered for stability and safety under demanding conditions.
With a power rating of 3 watts, it can handle significant energy dissipation, while its resistance tolerance of ± 5% ensures circuit performance remains within the designed parameters. The 0.33 ohm resistance value is commonly used for applications requiring accurate current measurement or load sharing.
Key Specifications and Features
- Wirewound Construction: Delivers excellent pulse handling capabilities and long-term stability.
- Flame Proof Design: Enhances safety by resisting ignition under fault conditions, making it suitable for applications where reliability is critical.
- High Voltage Rating: Rated for up to 100 volts, allowing use in a variety of circuit configurations.
- Robust Temperature Performance: Operates reliably across a wide temperature range from -55°C to +155°C.
- Low Temperature Coefficient: Features a coefficient of ± 200ppm/°C, which helps maintain a stable resistance value despite changes in ambient temperature.
The resistor features an axial leaded package for straightforward through-hole PCB mounting. Its compact dimensions facilitate efficient use of board space without compromising on performance or durability. This high-quality component is a dependable choice for power supplies, motor controls, amplifiers, and other electronic systems requiring robust and precise resistive elements.
Physical Attributes
- Body Dimensions: 15mm (Depth) x 33mm (Width) x 43mm (Height).
- Weight: 1.1 grams.
- Current sensing circuits
- Power supply regulation
- Motor control applications
- Circuit protection
- Resistance: 0.33 ohm
- Product Range: W31 Series
- Power Rating: 3W
- Resistance Tolerance: ± 5%
- Resistor Case / Package: Axial Leaded
- Voltage Rating: 100V
- Resistor Technology: Wirewound
- Temperature Coefficient: ± 200ppm/°C
- Resistor Type: Flame Proof
- Operating Temperature: -55°C to 155°C
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Weight: 1.1 grams
- Operating Temperature Min: -55°C
- Operating Temperature Max: 155°C
- SVHC: No SVHC (04-Feb-2026)
Documents
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