Resistors
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.
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SPECIFICATION |
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| Type | Wattage | DIMENSIONS IN MM |
Range in OHMS 0Ω] | Tolerance | |||||
| W | H | L | d | ||||||
WWT 1 |
1 | 6 | 6 | 12 | 0.60 ± 0.02 | 0.1 | 470 | 5% | |
WWT 2 |
2 | 6 | 6 | 15 | 0.65 ± 0.02 | 0.1 | 680 | 5% | |
WWT 3 |
3 | 6 | 6 | 15 | 0.75 ± 0.05 | 0.1 | 1K | 5% | |
WWT 4 |
4 | 7 | 7 | 20 | 0.75 ± 0.05 | 0.1 | 1K | 5% | |
WWT 5 |
5 | 7 | 7 | 25 | 0.75 ± 0.05 | 0.1 | 3K3 | 5% | |
WWT 7 |
7 | 9 | 9 | 25 | 0.80 ± 0.05 | 0.1 | 10K | 5% | |
WWT 10 |
10 | 9 | 9 | 38 | 0.80 ± 0.05 | 0.1 | 10K | 5% | |
All Size in mm
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 3w 10 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% |