玻璃釉预调电位器（3296） Rotational Life： 200 cycles Number of Turns： 25 Power Rating： 0.5 watts Mounting Type: through-hole Resistance Range: 10 ohms to 2 megohms Tolerances: ±10% CRV/ENR: 1% or 3 ohms Temperature Coefficient: ±100ppm/°C Construction: sealed