產(chǎn)品分類 更多>>
RA25Y20S技術(shù)參數(shù)
Electrical
Standard Resistance Range . . . . . . . . .. . . . . .. . . . . .. . . . . . . . . ... . . . . .. . . . . .. . . B = 5Ω to 20kΩ A,C = 100Ω to 5kΩ
Resistance Tolerance . . . . . . . . . . . . . . . . . . .. . . . . .. . . . . .. . .. . . . . . .±10% standard (±5%,±2% or±1% special order)
End Resistance . . . . . . . . . . . .. . . . . .. . . . . . . . .. . . . . .. . . . . ... . . . . . . . . . . . R < 500Ω =1Ω max. R ≥ 500Ω = 0.2% max.
Resistance Taper . . . . B = linear; A = CW audio (logarithm);C = CCW audio (logarithm); RA25YPR model is linear only.
Power Rating . .. . . . . .. . . . . .. . . . . .. . . . . .. . . . . .. . . . . .. . . . . .. . . . . . . . . B = 1.2 watts; A,C = 0.6 watt, at+40°C
Insulation Resistance . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .100MΩ minimum at 500VDC
Dielectric Strength . . . . . . .. . ... .. . .. . .. . .. . .. . .. . . . . . . . . . . . . . . . . . . . . . 500VAC, 1 minute Theoretical Resolution
| Resistance (Ω) | Resolution (%) | Resistance (Ω) | Resolution (%) |
| 5 10 20 50 100 200 | 1.93 1.32 0.85 0.62 0.45 0.38 | 500 1,000 2,000 5,000 10,000 – | 0.29 0.19 0.26 0.19 0.15 – |
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C±5°
Shaft Torque
Single Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.4 to 306 gf?cm (0.99 to 4.242 oz? in)
Tandem Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.4 to 714 gf?cm (0.987 to 9.899 oz? in)
Dual Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71.4 to 459 gf?cm (0.987 to 6.363 oz? in)
Stop Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.2 kgf?cm (141.4 oz? in) max.
Mounting Nut Torque . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 kgf?cm (207.94 oz? in) max.
Solderability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235°C, 3 seconds
Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Taper, resistance, resistance tolerance,terminal identification, date code
Environmental
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Y=-10°C to+100°C or X = 30 C to 100 C
Temperature Characteristics . . . . . . . . . . . . . . . .. . . . . . . .. . . . . . . .. . . . . . . .. . .+85°C, 5 hours without load ΔT/R ≤±5%
Low Temperature Exposure . . . .. . . . . . . . . . . . . . . . . . .. . . . . . . .-10°C (Y),-30°C (X) 1 hour without load ΔT/R ≤±3%
Load Life . . . . . . . . . . . . . . . . . . . .. . . . . . . .. . . . . . . .. . . . . . . .. . . . . . . .+40°C, 1,000 hours with rated load ΔT/R ≤±3%
Moisture and Load Life . . . . . . . . . . . . . . . . . . .. . . . . . . ..+40°C, 90-95%RH, 500 hours with 1/10 rated load ΔT/R ≤±5%
Vibration . . . . . . . . . . . . . . . . . . .. . . . . . . .. . . . . . . .10-55Hz, 1.5mm amplitude, 2 directions, 2 hours each ΔT/R≤±1%
Soldering Heat Resistance . . . . . . . . . . . . . . . . .. . . . . . . .. . . . . . . .. . . . . . . .. . . . . . . .350°C, 3.5 seconds; ΔT/R ≤±2%
Rotational Life . . . . . . . . . . . .. . . . . . . .15,000 cycles (500 cycles for shaft lock models only) with 1/2 rated load ΔT/R ≤±3%
R = Total Resistance Value; ΔT/R = Total Resistance Change
