This datasheet describes a 9mm snap-in insulated shaft potentiometer from Song Huei Electric Co., Ltd. The device features a non-linear resistance taper characteristic and is designed for use in audio and other applications.
Electrical Characteristics
The potentiometer has an all-resistance value of 250KΩ, with a tolerance of ±2%. The resistance taper characteristics are categorized into five types: A, B, C, D, and W, each with different resistance values and percentages of non-linearity.
The device also has a residual resistance value and a gang error value of 40 ΩdB. The noise level is 47 mV max, and the insulation resistance is 100 MQ min. The maximum operating voltage is 250V DC or 100V AC, and the withstand voltage is 250V AC for 1 minute.
Mechanical Characteristics
The potentiometer has a total rotational angle of 280° ± 59, with a rotation stopper strength of 3 kgf.cm max and a rotational torque of 10-80 gfc.m. The pull-push strength is 5 kgf.cm max, and the shaft wobble is 0.8 x L / 20 mm p-p max. The center click torque is 150-300 g.cm, and the shaft bending is 0.061 g@ 0.3 mm max.
The device can withstand solder heat up to 300°C for 3 seconds when hand-soldered, and the shaft is insulated with black material. The recommended applications include PCB layout and other electronic components.
For more information, please visit the company website at http://www.song-huei.com.tw.
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