对可能出现反向电压的电路，应选择双极性电容器。
Please use bi-polar capacitors for a circuit that can possibly see reversed polarity.
无极性（或二极性）电解电容器，可使用在极性转换的回路或直流回路上。
Non-polar (or Bi-polar) capacitors can be used in polaritiy- changing circuits or DC circuits.
在电气回路上如不清楚或不明确线路之极性时，则建议使用无极性电解电容器。
If circuit polarity is unclear or unknown, then non-polar capacitors is recommended.
无极性（或二极性）电解电容器，可使用在交流或直流电路上。
Non-polar capacitors can be used for both AC or DC circuits.
现代钽电容器磁珠都印有他们的电容，电压和极性充分。
Modern tantalum bead capacitors are printed with their capacitance, voltage and polarity in full.
线路设计时应该注意，POSCAP是有极性的电容器，反向电压会造成漏电流加大或短路。
Circuit design should be noted, POSCAP is polarized capacitors, the reverse voltage will cause increased leakage current or short circuit.
铝电解电容器是有极性的，不应加反向电压或交流电压。
Aluminum electrolytic capacitors are polar. Make sure that no reverse voltage or ac voltage is applied to the capacitors.
铝电解电容器是有极性的，不应加反向电压或交流电压。
Aluminum electrolytic capacitors are polar. Make sure that no reverse voltage or ac voltage is applied to the capacitors.
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