防尘电位器 148/R16双联金属柄 高品质碳膜电位器
r148/r149电位器主要用于调光、调温、调速、调节音量设备上,如音响设备、加温器、咖啡机、豆浆机、台灯、电动玩具及小家电等。,欢迎来电洽谈!
1 electricalcharacteristics電氣特性
item | content項目 | specification規格 |
1.1 | total resistance總阻 | 500k |
1.2 | total resistance tolerance總阻誤差 | ± 10 % |
1.3 | resistance taper電阻特性曲綫 | b taper |
1.4 | power rating負載功率 | curve b:0.2w;other than b:0.1w |
1.5 | max. operating voltageZui大工作電壓 | 150v ac |
1.6 | residual resistance殘留電阻 | r1-2≤ 10 w; r2-3 ≤ 20 w |
1.7 | rotational noise旋轉雜音 | ≤47mv |
1.8 | insulation resistance絕緣電阻 | ≥100 mω at dc 500v |
1.9 | withstanding voltage耐電壓 | 1 minute at ac 500v |
2 mechanical characteristics機構特性
2.1 | dimensions外形尺寸 | refer to the separate product chart (具體參照產品圖面) |
2.2 | total rotational angle旋轉角度 | 300????????±5???????? |
2.3 | rotational torque旋轉力矩 | 20~250 gf.cm |
2.4 | shaft stop strength止擋強度 | ≥6kgf.cm |
2.5 | shaft push & pull strength轴推拉强度 | ≥8kgf.cm |
2.6 | bushing nut tighting strength 軸套鎖緊強度 | 7kgf.cm |
2.7 | shaft wobble (mm p-p)軸擺動 | ≤0.7 x l/30mm(p-p) l=shaft length |
3 durability characteristics耐久特性
3.1 | rotational life旋轉壽命 | ≥10,000 cycles |
3.3 | working temperature工作温度 | -10℃~ +70℃ |
3.4 | soldering heat characteristic 焊錫耐熱性 | auto soldering: 260℃±10℃;time:5±1 sec
manual soldering:300℃±5℃ ;time:3±1 sec |
本产品的加工定制是是,品牌是惠元盛,型号是148,种类是双联,用途是普通,材料是碳膜,性能是组合,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100K,额定功率是0.25(W),滑动噪声是100(V),分辨率是100(%),零位电阻是0(Ω),接触电阻是0(Ω),绝缘电阻是100(MΩ)