OHMITE 20 Series Wirewound Resistors

Ohmite 20 Series Wirewound Resistors are lead-free and come with conformal vitreous enamel coating. These high-power resistors are durable, economical, and flame resistant in nature. The all-welded construction of 20 Series axial terminal resistors withstands high humidity and temperature cycling. The 20 Series resistors come with ±5% tolerance and operate from +25°C to +350°C temperature range. These resistors are ideal for high-power applications like communications, industrial, and computers, where reliability and quality are prime considerations.

Features

  • All-welded construction
  • Durable construction recommended for industrial applications where reliability is paramount
  • Flame-resistant lead-free vitreous enamel coating
  • RoHS compliant
  • Rugged vitreous enamel coating withstands high humidity and temperature cycling

Applications

  • Communications
  • Computer 
  • Industrial

Technical Specifications

Series 21 22 23 25 27 20
Parameter
Power rating 1W 2W 3W 5W 7W 10W
Resistance rating 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 rating 75V 65V 135V 330V 450V 720
Operating temperature range +25°C to +350°C
Temperature coefficient 1Ω to 9.99Ω: ±50ppm/°C; 10Ω and over: ±30ppm/°C
Tolerance ±5% standard