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

These resistors feature an impervious lead-free vitreous enamel coating, making them suitable for protection circuits, and have high power dissipation for their size.

Key Features

CECC approved, with a power rating of up to 14W at 25°C and 7W at 70°C.

Resistance range: 1Ω to 100kΩ, with tolerances of 2%, 5%, and 10%.

TCR: ±200 ppm/°C, with a temperature range of -55°C to 200°C.

Construction and Performance

The resistors have a high purity ceramic substrate, with copper clad steel wire terminations that meet IEC 68.2.21 and IEC 115-1 standards.

They are marked with type reference, resistance value, and tolerance, and are resistant to industrial cleaning solvents and inorganic materials.


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