Electrical characteristics
Range of nominal resistance: 200 Ω~50K Ω
Allowable deviation of resistance value Resistance tolerance: ± 5%
Independent linearity: 0.25%
Terminal resistance: ≤ 0.25% R or 2 Ω
Rated power (300v max): 1W @ 70 ℃
Dielectric withstand voltage: 750V
Peak Noise: ≤ 100 Ω
Temperature range: -55 ℃~+125 ℃
Temperature coefficient TCR: ≤± 100 × 10-6/℃, for temperatures below 500 Ω, it is ± 150 × 10-6/℃
Insulation resistance: R1 ≥ 1G Ω
Rotation lifespan Life Expectancy: 20000 cycles △ R ≤± 5% R (axis 800000 cycles)
Effective electrical angle in degrees: 7200 °± 4 °
Mechanical stroke: 7200 °± 10 °
Temperature shock: -65 ℃~+125 ℃, 5 times, Δ R ≤ ± 5% R,
Moisture resistant Moisture proof: GJB360A -96, Method 106240h Δ R ≤± 3% R R1 ≥ 10M Ω
High frequency vibration: GJB360A -96 method 204 Δ R ≤± 05% R, no electrical interruption greater than 0.1ms allowed, no mechanical or electrical damage
Load life at high temperature: 2000 weeks, Δ R ≤ ± 5% R, no visible damage
Shock: GJB360A -96 Method 213: There should be no mechanical or electrical damage, and there should also be no instantaneous interruption phenomenon
Operation at low temperature: -65 ℃, 4h, △ R ≤± 5% R, starting torque less than 20mN. m, no damage to electrical and mechanical connections
Salt spray: Sodium chloride concentration of 5%, 35 ℃, 96 hours, no visible corrosion phenomenon
Starting torque: ≤ 10mN. m
Stop Strength: ≤ 500mN. m
physical properties
Mark: Trade mark, model type, resistance value, circuit diagram, date code
Standard package: 20 pieces/box, 20pcs/box
Detailed specification: Q/RU21523.4-2001, Detail specification: Q/RU21523.4-2001

WR2220 wire wound potentiometer