Customization: | Available |
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Resistance: | Fixed Resistor |
Function for Resistance: | Protective Resistor |
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Products | Cement type resistors (LW) | |||||||||||||||||
Specifications | ||||||||||||||||||
Part NO. RX |
Dimensions | Resistance range | ||||||||||||||||
W± 1 |
H± 1 |
L± 1.5 |
C± 3 |
D± 0.05 |
KN |
MO |
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2W |
7 |
7 |
18 |
30 |
0.8 |
0.1~270 |
271~33K |
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3W |
8 |
8 |
22 |
35 |
0.8 |
0.1~1K |
1K1~47K |
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5W |
10 |
9 |
22 |
35 |
0.8 |
0.1~1K |
1K1~68K |
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7W |
10 |
9 |
35 |
35 |
0.8 |
0.1~1K |
1K1~68K |
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10W |
10 |
9 |
48 |
33 |
0.8 |
0.1~1K |
1K1~50K |
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15W |
12.5 |
11.5 |
48 |
33 |
0.8 |
0.1~1K |
1K1~150K |
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20W~25W |
14 |
13.5 |
60 |
33 |
0.8 |
0.1~1K |
1K1~150K |
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Power rated Item | 2W |
3W |
5W |
7W |
10W |
15W |
20W~25W |
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Max. working voltage |
150V |
350V |
350V |
500V |
750V |
1000V |
100V |
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Dielectric withstanding voltage |
1000V (AC) |
1000V (AC) |
1000V (AC) |
1000V (AC) |
1000V (AC) |
1000V (AC) |
1000V (AC) |
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Resistance tolerance |
J± 5% |
J± 5% |
J± 5% |
J± 5% |
J± 5% |
J± 5% |
J± 5% |
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Cement Type Resistor (wire wound) |
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Characteristics |
Specifications |
Test Method |
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DC Resistance JIS-C-5202 5.1 |
J ± 5% |
AT 25° C |
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Dielectric withstanding voltage JIS-C-5202 5.7 | No evidence of flashover mechanical amage, arcing or insulation breakdown. | Resistance shall be clamped with a conductive material which conforms to resistors surface so that 90 o of the outer periphery is contacted a potential of 1000V AC shall be applied for 60 seconds. | ||||||||||||||||
Insulation Resistance JIS-C-5202 5.6 |
1000MΩ MIN |
Withstanding test and shall be measured at DC 500V. Resistor shall be prepared AC same method of dielectric. | ||||||||||||||||
Thermal Shock |
Δ R≤ ± (2%R0+0.1Ω ) |
After application of rated power for 30 minutes, 30 minutes exposure to -30± 5° C ambient temperature. | ||||||||||||||||
Humidity JIS-C-5202 7.5 |
Δ R≤ ± (2%R0+0.1Ω ) |
Temperature resistance change after 1000 hours exposure in a humidity test chamber controlled at 40± 2° C and 90~95% relative humidity. | ||||||||||||||||
Cement Type Resistor (metal oxide film) | ||||||||||||||||||
Short time overload |
Δ R≤ ± (2%R0+0.05Ω ) |
Temperature resistance change after the application of a potential of 2.5 times RCVW for 5 seconds. | ||||||||||||||||
Load Life JIS-C-5202 7.10 |
Δ R≤ ± (5%R0+0.1Ω ) |
Permanent resistance change after 1000 hours operating at RCWV, with duty cycle of 1.5 hours on and 0.5 hours off at 25° C± 2° C. | ||||||||||||||||
Load Life in Humidity JIS-C-5202 7.9 |
Δ R≤ ± (5%R0+0.1Ω ) |
Temperature resistance change after 1000 hours(1.5hours on and 0.5 hours off) at RCVW in a humidity chamber controlled at 40± 2° C and 90~95% relative humidity. | ||||||||||||||||
Solderability JIS-C-5202 6.5 |
95% coverage MIN |
Test temperature of solder: 230± 5° C Dwell time in solder: 3± 0.5 SEC |
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Nonflammability |
Nonflammable |
Load 5 min according to 5times, 10 times, 16 times rated power and A. C. respectively. |