## Component Overview: NWWSWWS3JB1R00 The **NWWSWWS3JB1R00** is a specific electronic component manufactured by **Stackpole Electronics**. It belongs to the family of **Wirewound Resistors**, specifically designed for high-reliability and precision applications. --- ### 1. Technical Specifications The part number follows a specific coding system that defines its electrical characteristics: | Parameter | Specification | | :--- | :--- | | **Manufacturer** | Stackpole Electronics | | **Component Type** | Wirewound Resistor | | **Resistance Value** | 1.0 $\Omega$ (indicated by "1R00") | | **Tolerance** | $\pm$ 5% (indicated by "J") | | **Power Rating** | 3 Watts | | **Package/Case** | Axial Leaded | | **Temperature Coefficient** | $\pm$ 20 ppm/°C to $\pm$ 50 ppm/°C (Typical) | --- ### 2. Key Features * **Non-Inductive Winding (Optional):** Many NWW series parts utilize a "non-inductive" winding style (Aryton-Perry) to minimize inductance, making them suitable for high-frequency applications compared to standard wirewound resistors. * **High Power-to-Size Ratio:** Designed to handle significant power (3W) in a relatively compact axial form factor. * **Thermal Stability:** Wirewound construction offers excellent stability over a wide range of operating temperatures. * **Flameproof Coating:** The exterior is typically coated with a silicone or cement-based material that is flameproof and resistant to environmental moisture. --- ### 3. Typical Applications This component is commonly found in circuits requiring precise current sensing or power dissipation, such as: 1. **Power Supplies:** Used as a current sensing resistor or a bleeder resistor. 2. **Motor Controls:** Handling small inrush currents or acting as a shunt. 3. **Audio Equipment:** Used in crossover networks where low noise and high power handling are required. 4. **Industrial Equipment:** General purpose voltage dropping and current limiting. --- ### 4. Part Number Breakdown (NWW Series) | Segment | Code | Meaning | | :--- | :--- | :--- | | **Series** | NWW | Non-inductive Wirewound (Standard) | | **Power** | 3 | 3 Watts | | **Tolerance** | J | 5% | | **Resistance** | 1R00 | 1.00 Ohms | ---