TT Electronics Welwyn W22 Series Wirewound Resistor - 3W
TT Electronics 7W wirewound resistor, 2.2kΩ ±5%, for power supplies, motor controls & industrial applications. Axial leaded.
The TT Electronics Welwyn W22 Series Wirewound Resistor is a highly reliable and robust passive electronic component, engineered for demanding applications where stability and power handling are critical. Constructed using precision wirewound technology, this resistor offers excellent long-term performance and a low temperature coefficient, making it suitable for a wide range of industrial, automotive, and power supply circuits.
Featuring an axial leaded package for straightforward through-hole PCB mounting, this component is designed to manage significant power dissipation. Its robust construction ensures consistent operation across a broad temperature range, providing dependable service in challenging environments where thermal stress is a concern. The resistor's wirewound design inherently provides low noise and high stability, which are essential characteristics for precision analogue circuits, current sensing, and power control applications.
Key Features & Specifications
The W22 Series resistor is part of TT Electronics' respected Welwyn range, known for its quality and durability. It delivers a precise resistance value with a tight tolerance, ensuring circuit performance matches design specifications. Its high maximum operating temperature allows it to function reliably in enclosed spaces or near other heat-generating components. The component's axial form factor and standard lead spacing make it compatible with common PCB layouts and easy to integrate into both prototype and production assemblies.
This resistor is an ideal choice for engineers and technicians working on power electronics, motor controls, brake resistors, and load testing equipment. Its combination of a substantial power rating, wide operational temperature window, and proven wirewound construction makes it a versatile and trustworthy component for any project requiring a durable, high-power resistive element.
Variant Details
- Size: 3W
- Power supply circuits
- Industrial control systems
- Automotive electronics
- Instrumentation and measurement equipment
- Resistance: 2.2 kΩ (2K2)
- Product Range: W21 Series
- Package Type: Axial Leaded
- Power Rating: 3 W
- Resistance Tolerance: ±5%
- Voltage Rating: 100 V
- Resistor Technology: Wirewound
- Temperature Coefficient: ±75 ppm/°C
- Operating Temperature Range: -55°C to 350°C
- Dimensions: 43mm (Height) x 33mm (Width) x 15mm (Depth)
- Weight: 1 gram
- Resistor Case / Package: Axial Leaded
- Operating Temperature Min: -55°C
- Operating Temperature Max: 350°C
- SVHC: No SVHC (17-Jan-2023)
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