12mm Metal Shaft Rotary Potentiometer (12mm
金屬軸旋½電½器)
RK1222
Part Number
RK1222 - B
50K , L -
20
KC
Shaft Type
軸型
Taper Resistance Value
線性
阻值
Shaft Length
軸長
Dimensions
規格尺寸
H
10
12.5
http://www.song-huei.com.tw
12mm Metal Shaft Rotary Potentiometer (12mm
金屬軸旋½電½器)
Shaft Type
軸型
http://www.song-huei.com.tw
9mm Metal Shaft Rotary Potentiometer (9mm
金 屬 軸 旋 ½ 電 ½ 器)
12mm Metal Shaft Rotary Potentiometer (12mm
金屬軸旋½電½器)
Electrical Characteristics
電 氣 特 性
Total Resistance
½阻值
Total Resistance Tolerance
½阻值誤差
Resistance Taper
線 性
Resistance Taper Characteristics
阻值變化特性範圍
Rated Power
定 格 電 力
1K ~ 500KΩ
±
20% (More than 1MΩ
±
30% )
A. B. C. D. W. Taper
A50%
15-25%
B50%
40-60%
C50%
75-85%
D50%
2-15%
W50%
45-55%
B Taper : 0.1 W; Other Taper : 0.05 W
R
≥
250KΩ 0.1%
Residual Resistance
殘留阻值
250KΩ> R
>
10KΩ
10KΩ≥ R
20Ωmax. (between Term. 1, 2)
20Ωmax. (between Term. 2, 3)
Max. Operation Voltage
最 高 ½ 用 電 壓
Noise
雜音
Insulation Resistance
絕緣阻抗
Withstand Voltage
耐 電 壓
Rotational Life
旋½½½
AC 30V , DC
47 mV Max.
DC 250V 100MΩ
1 minute at AC 300V
15,000 Cycles
Mechanical Characteristics
機 械 特 性
Total Rotational Angle
全 迴 ½ 角 度
Stopper Strength
全 迴 ½ 止 強 度
Rotational Torque
迴 ½ 扭 力
Pull-Push Strength
推 拉 強 度
Soldering Heat
銲 錫 耐 熱 性
Remark
備註
300°
±
10°
3 kgf.cm max./3sec.
20~200gf.cm
8 kgf.cm max./ 10sec.
300℃ , 3s. (Only for Hand-Soldering)
Shaft: Cast Iron or Aluminum Zinc
Bushing Material: Cast Iron or Aluminum Zinc
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