原装TOCOS可调电位器RV24YN,RV24YN20SB203电位器

rv24yn系列技术参数

electrical
standard resistance range . . . . . . . . . . . b = 50ω to 2mω
a,c = 1kω to 2mω
resistance tolerance . . . . . . . . . . . . . . . . . 10% standard
end resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3ω max.
resistance taper . . . . b = linear; a = cw audio (logarithm);
c = ccw audio (logarithm)
peak noise (c.r.v.) . . . . . . . 3% or 3ω, whichever is greater
power rating . . . . . . . . . . . b = 0.25 watt; a,c = 0.125 watt
at 40 c, 0 watt at 85 c
maximum input voltage . . . . . b = 315vdc; a,c = 200vdc
or power rating, whichever is smaller
insulation resistance . . . . . 100mω minimum at 1,000vdc
dielectric strength . . . . . . . . . . . . . . . . 1,000vac, 1 minute
adjustment travel . . . . . . . . . . . . . . . . . . . . . . . . . 280 10
mechanical
mechanical travel . . . . . . . . . . . . . . . . . . . . . . . . . . 300 5
shaft torque
single unit . . . . . . 51 to 306 gf•cm (0.707 to 4.242 oz• in)
other units . . . . . . 51 to 510 gf•cm (0.707 to 7.070 oz• in)
stop strength . . . . . . . . . . . 9.18 kgf•cm (127.26 oz• in) max.
mounting nut torque . . . . . .15 kgf•cm (207.94 oz• in) max.
solderability . . . . . . . . . . . . . . . . . . . . . . . 235 c, 5 seconds
marking . . . . . . . . . . . . . model type, taper, resistance code,
shaft type, terminal identification, date code
environmental
temperature range . . . . . . . . . . . . . . . . . . 10 c to 85 c
temperature characteristics . . . . . . . . 85 c, 30 minutes
without load
r ) 10kω δt/r ) 6%
10kω ! r ! 1mω δt/r ) 10%
r 0 1mω δt/r ) 15%
load life . . . . . . . . . . . . 40 c, 1,000 hours with rated load
δt/r ) 10%
moisture and load life . . . . . . . . . . . . 40 c, 90-95%rh,
500 hours with rated load
r ! 100kω δt/r ) 10%~ 15%
r 0 100kω δt/r ) 10%~ 20%
thermal shock . . . . . . . . . . . . . . . . . . . . . . . 10 c~ 85 c,
5 cycles without load
δt/r ) 10%
vibration . . . . . . . . . . . . . . . . . . .10-55hz, 1.5mm amplitude,
3 directions, 2 hours each
δt/r ) 2.5%
soldering heat resistance . . . . . . . . . . . 350 c, 3 seconds
δt/r ) 2%
rotational life . . . . 15,000 cycles (500 cycles for shaft lock
models only) without load
δt/r ) 7%
standard rotary switches
switch rating . . . . . . . . . .110vac, 1a or 3a, spdt or spst
contact resistance . . . . . . . . . . . . . . . . . . . . . . 0.05ω max.
operating torque . . . . . . . . 1,530 gf•cm (21.21 oz• in) max.
operating life . . . . . . . . . . . . . . . 10,000 cycles without load
r = total resistance value; δt/r = total resistance change

本产品的加工定制是否，品牌是TOCOS，型号是RV24YN20SB203，种类是单圈，用途是精密，材料是碳膜，性能是微调，阻值调节方式是旋转式，阻值变化方式是X式（直线式），标称阻值是20K，额定功率是0.5（W），阻值允许偏差是±10（%），滑动噪声是1（V），分辨率是1（%），零位电阻是1（Ω），接触电阻是100（Ω），绝缘电阻是100（MΩ），符合度是100