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20Ω 5W wire wound resistor

20Ω 5W wire wound resistor

KSh 100.00

In stock

The 20Ω 5W wire-wound resistor is a high-power, high-stability resistor designed for applications requiring accurate resistance and reliable heat dissipation. It is constructed using a resistive wire wound on a ceramic core and coated for mechanical strength and thermal stability, making it suitable for power and load-handling circuits.

Key Features

  • Wire-wound construction for high power handling

  • Rated power dissipation of 5W

  • Stable resistance over a wide temperature range

  • Low noise and good surge current tolerance

  • Flame-retardant, heat-resistant coating

  • Axial leaded design for easy mounting

Technical Specifications

  • Resistance value: 20 ohms

  • Power rating: 5W (at rated ambient temperature)

  • Tolerance: typically ±5% (±1% available on some variants)

  • Temperature coefficient: low, suitable for power circuits

  • Construction: ceramic core with resistive wire winding

  • Lead material: tinned copper

  • Body type: cement / ceramic coated

  • Operating temperature range: –55°C to +155°C

Electrical Characteristics

  • High overload and pulse handling capability

  • Suitable for continuous power dissipation with adequate airflow

  • Resistance value remains stable under thermal stress

Compatibility

  • Power supplies and regulators

  • Motor drive and braking circuits

  • Current limiting and load resistors

  • Audio amplifiers and power electronics

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