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50th Anniversary Year 2022


Ceramic Wire Wound Resistors 10/11W 4.20

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SKU: 4R20 W11JWW

10/11W Ceramic Encased Wire Wound Resistors primarily intended for use in loudspeaker crossovers, close tolerance ( typically ± 5%).  11W resistors are same physical size as 10W with higher power rating.  Available in power ratings from 3W to 17W.  Main Stock range 5W and 10/11W.

Availability: Out of stock

Excl. Vat: £0.29 Incl. Vat: £0.35
Product Description


    Ceramic Encased Wire Wound Resistors are primarily intended for use in loudspeaker crossovers, but their close tolerance and rugged characteristics lend themselves to many other applications. We have them available in most values in power ratings from 3W to 17W, our primary ranges are 5W and 11W as these give optimum power rating compared to physical size.

    They are fabricated from a coil of resistance wire, wound about a former, and welded at each end to a cap, to which in turn the tinned copper lead is fixed. The unit is sealed with a ceramic mix into a highly stable preformed ceramic case. Unless otherwise stated resistors are ±10% or closer tolerance. (Most ±5%). For higher powers two equal resistors in parallel give half value at 2x power (safer at 1.75x)

Additional Information

    Additional Information

    Resistor Material Ceramic Wire Wound
    Resistor Size (typical) L x W x D mm: 48mm x 9.4mm x 9mm
    Resistor value(ohms) 4.20 ohms
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