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Home Resistors DIP WIRE WOUND CERAMIC ENCASED RESISTORS
WIRE WOUND CERAMIC ENCASED RESISTORS
WIRE WOUND CERAMIC ENCASED RESISTORS
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WIRE WOUND RESISTORS - NON INDUCTIVE
WIRE WOUND RESISTORS - NON INDUCTIVE

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.
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Categories: DIP, Resistors
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  • Description
  • ELECTRICAL PERFORMANCE
Description

SPECIFICATION

Type Wattage DIMENSIONS IN MM Range in Ohms [Ω] Tolerance
D L H d
WWV 1 1 3.2 9 28 0.60 ± 0.02 0.1 470 5%
WWV 2 2 4.25 11 28 0.65 ± 0.02 0.1 680 5%
WWV 3 3 5 15 28 0.75 ± 0.05 0.1 1K 5%
WWV 4 4 5 15 28 0.75 ± 0.05 0.1 1K 5%
WWV 5 5 6 17 33 0.75 ± 0.05 0.1 3K3 5%
WWV 7 7 8 25 38 0.80 ± 0.05 0.1 10K 5%
WWV 10 10 8 30 38 0.80 ± 0.05 0.1 10K 5%

All Size in mm

ELECTRICAL PERFORMANCE
ELECTRICAL PERFORMANCE
Tests Condition Spec
Resistance Temp. Coeff. -55°C ~ 200°C ± 200 ppm/°C
Short Time Overload 5 times of rated wattag e for 5 sec for upto 3w10 times of rated wattage for 5 sec. above 3w ±2%
Rated Load Rated voltage for 30 min. ± 0.5%
Insulation Resistance 500 V megger 1,000MΩ
Load Life 70°C on-off cycle 1,000hrs. ±3%

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WIRE WOUND FUSIBLE RESISTORS

Resistors, DIP
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.
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CARBON FILM RESISTORS

Resistors, DIP
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.
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WIRE WOUND RESISTORS – NON INDUCTIVE

Resistors, DIP
The WWN series wire wound resistors - non inductive have very low inductance (less than 1µH), high heat dissipation and low TCR. The resistors are coated using layers of Flame Proof Epoxy with axial lead wire. In WWN series, resistors up to 5W, the resistance value is color coded with 3 bands plus a tolerance band. An additional yellow band indicates that the resistor is Non Inductive. For resistors 6W and above, the value is printed on the resistor.
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WIRE WOUND MELF RESISTORS

Resistors, SMD
The WWS MELF series wire wound resistors are manufactured using high quality resistance wires wound on ceramic substrates. The resistors are coated using layers of Flame Proof Epoxy. The WWS MELF series resistors are suitable for surface mount technologies.
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WIRE WOUND CERAMIC ENCASED RESISTORS

Resistors, DIP
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.
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LOW OHM CURRENT SENSING RESISTORS OPEN FRAME

Resistors, DIP
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.
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WIRE WOUND FUSIBLE RESISTOR – HIGH SURGE IMMUNITY

Resistors, DIP
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.
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METAL GLAZE RESISTORS

Resistors, DIP
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
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