The WZO series of vitreous enamelled wirewound resistors from TT Electronics are designed for harsh environments and offer high stability and reliability.

Key Features:

  • Impervious lead-free vitreous enamel coating
  • High power dissipation for size
  • Overload characteristics ideal for protection circuits
  • Compliant with EU Directive 2011/65/EU (RoHS3)

Electrical Data:

  • Power rating: up to 14W
  • Resistance range: 1R to 100K ohms
  • TCR: ±200 ppm/°C

Physical Data:

  • Dimensions: 12.7 to 53.5 mm (depending on type)
  • Weight: up to 58 g


  • High purity ceramic substrate
  • Interference fit end caps with welded terminations
  • Vitreous enamel protective coating


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