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, and overload characteristics ideal for protection circuits.

Electrical Data

Commercial power rating up to 25W, resistance range from 1R to 100K ohms, and TCR of ±200 ppm/°C.

Physical Data

Dimensions range from 12.7mm to 53.5mm, and weight from 2g to 400g.

Performance Data

Meets CECC 40201-002 requirements, with a load life of 1000 hours at 25°C and a shelf life of 12 months at room temperature.

Application Notes

Resistors are suitable for printed circuits, and care must be taken when determining clearance distance between the resistor body and the printed circuit board or other components.


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