OHMITE 20 Wirewound Resistors

OHMITE 20 Series Wirewound Resistors are lead free and have conformal vitreous enamel coating. These features combine into a rugged, all welded resistor with a durable, RoHS compliant coating built for demanding industrial use. The wirewound resistors come with ±5% tolerance and have a power range from 1W to 10W. These components have a resistance range from 0.1Ω to 100KΩ and a voltage range from 75V to 720V. Typical applications include communications, computer, and industrial.

Features

  • All-welded construction
  • Durable construction
  • Flame resistant coating
  • Lead free coating
  • RoHS compliant
  • Rugged coating

Applications

  • Communications
  • Computer 
  • Industrial

Technical Specifications

Series 21 22 23 25 27 20
Parameter
Power Range 1W 2W 3W 5W 7W 10W
Resistance Range 1.0Ω to 3.0KΩ 1.0Ω to 3.0KΩ 0.1Ω to 10KΩ 0.1Ω to 28KΩ 0.1Ω to 25KΩ 0.1Ω to 100KΩ
Voltage Range 75V 65V 135V 330V 450V 720V
Derating linearly from 100% at +25°C to 0% at +350°C
Temperature Coefficient 1Ω to 9.99Ω: ±50ppm/°C; 10Ω and over: ±30ppm/°C
Tolerance ±5% standard