Variable Wirewound Power Resistor
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Variable Wirewound Power Resistor
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Power Rating
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Dimensions (mm)
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ResistanceRange
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A
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B
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C
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D
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E
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F
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G
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H
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I
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J
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K
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25W
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2.5
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3.2
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22
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3/8"
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6*12
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42
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50
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50
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11
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5
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10
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5-2.5K OHM
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50W
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4.2
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4.2
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28
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3/8"
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6*12
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64
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60
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70
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11
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8
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14
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7-3.5K OHM
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100W
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4.2
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4.2
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42
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3/8"
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6*12
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85
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75
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90
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11
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8
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14
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10-5K OHM
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Test Item
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Test Methods
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Characteristics
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Remark
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Resistance Tolerance
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JIS-C-5261 5-1
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Resistance tolerance ± 10%
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Insulation Resistance
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JIS-C-5261 6-1 500VDC
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1000MΩ min
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Dielectric Withstanding Voltage
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JIS-C-5261 7-1 1000VDC 1 minute Between terminaland axis
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Free of appearance or structural irregularity
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Terminal Strength
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JIS-C-5261 6-5 3kg 30 scconds
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Free of appearance or structural irregularity ΔR/R≤±(2%+0.1Ω)
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ETC
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Vibration
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JIS-C-5261 6-61.5m/m 10~50~10Hz/min X-Y-Z zhoura each
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Free of appearance or structural irregularity ΔR/R≤±(2%+0.1Ω)
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ETC
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Load Life
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JIS-C-5261 7-7
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Free of appearance or structural irregularity ΔR/R≤±(5%+0.1Ω)
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Full Gyration Angle
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JIS-C-5261 6-1
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300 ± 5 °C
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ETC
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Flame Retardation
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100%~600%rated power olad
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US UL-94 flame retardation test V-0 grade noncombustible
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