ER74R03KT – TYCO ELECTRONICS
Resistor, Wirewound, 30 mOhms ±10%, 3W, Through Hole, Axial.
Stock Quantity: 120
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.8 |
| 10+ | |
| 50+ | |
| 100+ |
120 in stock
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- Same day shipping if ordered before 14.00 GMT
- 6 month warranty on all stock items
- All stock held and shipped from our UK warehouse
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Overview
The TE Connectivity ER74R03KT is a high-power wirewound resistor designed for demanding thermal and electrical environments. Its primary function is to dissipate significant amounts of power while maintaining stable resistance values, critical for current sensing and power limiting applications. A key design consideration for such components is the trade-off between thermal dissipation and parasitic inductance; while the wirewound construction offers excellent power handling, it inherently introduces inductance that can impact high-frequency performance. The ER74 series, with its silicone coating and robust construction, aims to mitigate these effects for operation up to 200°C, ensuring reliability in challenging industrial and automotive systems.
Key Features
- Resistance: 30 mOhms
- Power Rating: 3 W
- Voltage Rating: 100 V
- Tolerance: 10 %
- Operating Temperature Range: -55°C to +200°C
- Dimensions: 13.5 mm (Length) x 6 mm (Diameter)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- High-current sensing in power supply output stages
- In-rush current limiting for motor control circuits
- Power dissipation in automotive lighting control modules
- Load simulation for power amplifier testing