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Ohmite IS Ultra-Low Profile Power Resistors

Ohmite IS Ultra-Low Profile Power Resistors are rugged ultra-low profile thick film components with a resistance range from 5Ω to 10KΩ. The IS Series Power Resistors from Ohmite offer heatsink capability under the proper conditions and a high power range of 175W to 270W. The resistors also feature pulse handling capability, low inductances, non-flammability, and fast-on terminals and leads.

Features

  • Heatsinkable
  • Low profile
  • High power
  • Pulse handling capability
  • Non-flammable
  • Low inductances
  • Available with fast-on terminals or wire leads
  • Rugged construction
  • Ultra-low profile thick-film on steel
  • Single fixing heatsink mountable
  • Flange termination
  • RoHS compliant

Applications

  • Braking resistors
  • In-rush current limiter
  • Bleeder resistor
  • Power switching
  • Soft charging

Specifications

  • 175W, 200W, 250W, and 270W models available
  • 5Ω to 10KΩ resistance range
  • 10% or 20% tolerances
  • <250ppm TCR (surface temperature less than +150°C)
  • Temperatures
    • +200°C maximum hot spot surface temperature
    • +365°C maximum element temperature
  • Working voltage not to exceed 300V
Published: 2013-09-09 | Updated: 2022-03-11