CARBON FILM RESISTORS

The WCF Series Carbon Film Resistors are manufactured using mechanised high vacuum carbonising plants. This ensures a stable resistive film. The resistors are insulated with layers of light brown lacquer. The WCF series offer a wide range of power ratings (0.125 W, 0.25W, 0.4W, 0.5W, 1W, 2W & 3W) with a tolerance of ± 5%. and TCR ±1000 ppm/ºC.

LOW OHM CURRENT SENSING RESISTORS CERAMIC ENCASED

The WCSB/WCST/WCSV low ohm current sensing resistors are manufactured with high purity Ni-Cr/Cu-Ni element. These are ceramic encased resistors. WATTS offers these resistors ranging from 2mΩ to 50mΩ, having power rating from 2W to 10W.
  • WCSB is axial type ceramic boat encased resistor.
  • WCSV is vertical type ceramic boat encased resistor.
  • WCST is axial type ceramic tube encased resistor.

LOW OHM CURRENT SENSING RESISTORS OPEN FRAME

The WCSOA/WCSOR/WCSOV low ohm current sensing resistors are manufactured with high purity Ni-Cr/Cu-Ni element. These are open type resistors. WATTS offers these resistors ranging from 2mΩ to 20mΩ, having power rating from 2W to 10W.
  • WCSOA is axial type resistor.
  • WCSOR is radial pre-formed type resistor.
  • WCSOV is PCB mounting shunt type resistor.

METAL FILM RESISTORS

The WMF series Metal Film Resistors are manufactured using the latest Magnetron Vacuum Sputtering System. This ensures a very stable resistive medium having a very low temperature coefficient. The resistors are insulated with layers of light blue lacquer. The WMF series offer a wide range of power rating (0.125W, 0.25W, 0.40W, 0.50W, 1W, 2W & 3W), tolerances (0.1%, 0.5%, 1%, 2%, 5%) and TCRs (15, 25,50 & 100 ppm/ºC)

METAL GLAZE RESISTORS

The WMG Series Metal Glaze Resistors are manufactured with the latest sintering process to get the most stable thick metal glaze film. The resistors are insulated with light blue lacquer. WMG series offers a wide range of power rating (0.25W, 0.50W, 1W & 2W) in tolerance ±1% and ±5% with TCR less than 100 ppm/ºC

METAL OXIDE FLAME PROOF RESISTORS

The WMO series Metal Oxide Film Resistors are manufactured using the latest technology to ensure a very stable resistive medium. The resistors are insulated with layers of flame proof epoxy. The WMO series offer a wide range of power rating (0.25W, 0.50W, 1W, 2W & 3W) having tolerance ranges of ±1 % & ±5 %

WIRE WOUND CERAMIC ENCASED RESISTORS

Boat, Axial Mounting TThe WWB series resistors are wire wound resistors encased in ceramic boat with leads set for axial mounting. WWB series offer a wide range of resistors in the range 100mΩ to 10KΩ, with power ratings 1W to 10W.

WIRE WOUND CERAMIC ENCASED RESISTORS

Tube, Axial Mounting
The WWT series resistors are wire wound resistors encased in ceramic tubes with leads set for axial mounting. WWT series offer a wide range of resistors in the range 100mΩ to 10KΩ, with power ratings 1W to 10W.

WIRE WOUND CERAMIC ENCASED RESISTORS

Boat, Vertical Mounting
The WWV series resistors are wire wound resistors encased in ceramic boat with leads set for vertical mounting. WATTS offers these resistors ranging from 100mΩ to 10KΩ, with power ratings of 1W to 10W.

WIRE WOUND FUSIBLE RESISTOR – HIGH SURGE IMMUNITY

The WWFHS series wire wound fusible high surge immune resistors are manufactured to perform as a regular resistor under normal conditions and as a fuse under excessive load. These fusible resistors have high surge voltage immunity. In WWFHS series, for resistors up to 5W, the resistance value is color coded with 3 bands plus a tolerance band. An additional white band indicates that the resistor is fusible. For resistors 6W and above, the value is printed on the resistor.

WIRE WOUND FUSIBLE RESISTORS

The WWF series wire wound fusible resistors are manufactured to perform as a regular resistor under normal conditions and as a fuse under excessive load. In WWF series, resistors up to 5W, the resistance value is colour coded with 3 bands plus a tolerance band. An additional white band indicates that the resistor is fusible. For resistors 6W and above, the value is printed on the resistor.

WIRE WOUND RESISTORS – HIGH SURGE IMMUNITY

The WWHS series wire wound high surge immune resistors are manufactured using high quality resistance wires wound on ceramic substrates. The resistors are coated using layers of Flame Proof Silicon Epoxy with axial lead wires. These resistors have high surge voltage immunity. In WWHS series, for resistors up to 5W, the resistance value is color coded with 3 bands plus a tolerance band. An additional black band indicates that the resistor is wire wound. For resistors 6W and above, the value is printed on the resistor.