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RQA ﹛ |
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Features |
HOME INTRO HISTORY PRODUCTS NEWS
RQA
CERAMIC ENCASED
WIRE WOUND RESISTORS﹛
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PDF File
Features
• Ohmic values from 0.1 to 100K
• Rated power from 2 to 20W
• Economical solution
GENERAL SPECIFICATIONS
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Model |
Wattage Rating |
Resistance Range(目) |
Resistance |
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Glass Fiber Core |
Ceramic Core |
Metal Oxide Film(MO) |
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RQA 02 |
2W |
0.1-200 |
0.1-500 |
10-13K |
R‾1目:▽10% R>1目:▽5% |
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RQA 03 |
3W |
0.1-300 |
0.1-1.0K |
10-22K |
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RQA 05 |
5W |
0.1-500 |
0.1-3.0K |
10-27K |
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RQA 07 |
7W |
0.2-1.0K |
0.3-5.0K |
10-56K |
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RQA 10 |
10W |
0.5-1.5K |
0.3-10K |
10-75K |
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RQA 15 |
15W |
1.0-1.5K |
0.5-12K |
10-100K |
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RQA 20 |
20W |
1.0-2.0K |
0.5-15K |
10-100K |
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CHARACTERISTICS Values in [ ] mean change in ohmic value after test
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Temperature Range |
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-25C-155C |
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Insulation Resistance |
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DC500V, 20M目 Minimum |
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Dielectric Withstanding Voltage |
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AC 1500V for 1minute |
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Temp. Coefficient |
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Less than 1目:490-1300ppm/C. More than 1目:490ppm/C |
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Short Time Overload |
汁R▽[2%+0.05目] |
10 Times rated power for 5 sec. |
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Moisture Resistance |
汁R▽[3%+0.05目] |
DC 100V, 40C 95% RH, 500h |
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Thermal Shock |
汁R▽[2%+0.05目] |
Power Rating 30 min., -25C 15min. |
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Moisture Load Life |
汁R▽[3%+0.05目] |
40C 95% RH, 10% Power Rating 90min.-ON |
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Load Life |
汁R▽[5%+0.05目] |
Power Rating 90min.-ON, 30min.-OFF |
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Solderability |
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75% Coverage minimum |
DIMENSIONS
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Power |
Dimensions(mm) |
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L |
W |
H |
d▽0.1 |
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2 |
17.5+1.2 |
6.4+1.0 |
6.4+1.0 |
0.8 |
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3 |
22+1.5 |
8.0+1.0 |
8.0+1.0 |
0.8 |
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5 |
22+1.5 |
9.5+1.0 |
9.0+1.0 |
0.8 |
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7 |
35+1.5 |
9.5+1.0 |
9.0+1.0 |
0.8 |
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10 |
48+1.5 |
9.5+1.0 |
9.0+1.0 |
0.8 |
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15 |
48+1.5 |
12.5+1.2 |
12.5+1.2 |
0.8 |
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20 |
63.5+2.0 |
12.5+1.2 |
12.5+1.2 |
0.8 |
DERATING CURVE
SURFACE TEMPERATURE INCREASE VERSUS POWER LOAD
ORDERING PROCEDURE EXAMPLE
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