saturationcurrent

saturation current

形容词

saturation current [电子] 饱和电流的

名词

1. 饱和电流（指发射极电压为零时的电流） 2. 饱和电流（指在光电管中，阳极电压达到一定值时，光电流已达到最大值，不再显著增加的电流）

词语辨析

saturation current与cut-off current的区别： - saturation current（饱和电流）：指在光电管中，阳极电压达到一定值时，光电流已达到最大值，不再显著增加的电流。 - cut-off current（截止电流）：指在光电管中，阳极电压低于一定值时，光电流减小到很小的值或接近于零的电流。

词汇扩充

- reverse saturation current 逆饱和电流 - forward saturation current 正向饱和电流

近义词

- saturation current density 饱和电流密度 - equilibrium current 平衡电流

反义词

- unsaturation current 不饱和电流

柯林斯词典

saturation current in English： 1. the current in a thermionic valve or cathode-ray tube when the plate or anode voltage has reached a value to prevent the flow of further electrons 2. the current in a transistor that limits the rate of increase of collector current with increase of base current when the collector current is very large

牛津词典

saturation current in English： 1. the current in a diode, phototransistor, or other device that is in the on state 2. the current in a transistor that limits the rate at which the collector current increases with the base current, typically when the collector current is large

用法

- The saturation current of the diode is 10 mA. （这个二极管的饱和电流是10毫安。） - The forward saturation current is much higher than the reverse saturation current. （正向饱和电流比逆饱和电流高得多。） - The phototransistor reaches its saturation current when the incident light is strong enough. （光电晶体管在入射光足够强时，达到饱和电流。） - The saturation current of the transistor needs to be carefully controlled in the circuit design. （在电路设计中，需要仔细控制晶体管的饱和电流。）

相关例句

1. The saturation current of the diode is 10 mA.（这个二极管的饱和电流是10毫安。）
2. The forward saturation current is much higher than the reverse saturation current.（正向饱和电流比逆饱和电流高得多。）
3. The phototransistor reaches its saturation current when the incident light is strong enough.（光电晶体管在入射光足够强时，达到饱和电流。）
4. The saturation current of the transistor needs to be carefully controlled in the circuit design.（在电路设计中，需要仔细控制晶体管的饱和电流。）
5. In the absence of light, the photodiode has a reverse saturation current.（在没有光的情况下，光电二极管有一个逆饱和电流。）
6. When the base-emitter junction is forward biased, the transistor enters the active region where the collector current is proportional to the base current.（当基极-发射结正偏时，晶体管进入工作区，此时集电流与基流成正比。）
7. The saturation current density of the solar cell is an important parameter for efficiency evaluation.（太阳能电池的饱和电流密度是评估效率的重要参数。）
8. The cut-off current of the transistor is significantly lower than the saturation current.（晶体管的截止电流明显低于饱和电流。）
9. By adjusting the base current, the transistor can be brought into the saturation or cut-off region.（通过调整基极电流，可以使晶体管进入饱和或截止区域。）
10. At high voltages, the saturation current of the diode becomes negligible.（在高压下，二极管的饱和电流可以忽略不计。）
11. The saturation current of the transistor increases with the temperature rise.（随着温度升高，晶体管的饱和电流增加。）
12. When the collector voltage is larger than the base voltage, the transistor is in the saturation region.（当集电极电压大于基极电压时，晶体管处于饱和区。）
13. The saturation current of a transistor is affected by the doping concentration of the semiconductor material.（晶体管的饱和电流受到半导体材料的掺杂浓度的影响。）
14. Increasing the base current beyond a certain point does not result in an increase in the collector current due to the saturation current.（由于饱和电流的存在，将基极电流增加到一定程度后，集电流不再增加。）
15. The reverse saturation current of a diode is an important parameter for rectifier design.（二极管的逆饱和电流是整流器设计中的重要参数。）
16. When the diode is forward biased, the saturation current flows through the diode.（当二极管正偏时，饱和电流通过二极管。）
17. The saturation current of the transistor is affected by the width of the base region.（晶体管的饱和电流受基区宽度的影响。）
18. At very low temperatures, the saturation current of the diode decreases.（在非常低的温度下，二极管的饱和电流减小。）
19. By reducing the base current, the transistor can be brought out of the saturation region.（通过减小基极电流，可以使晶体管退出饱和区。）
20. The saturation current of a phototransistor is dependent on the intensity of incident light.（光电晶体管的饱和电流取决于入射光的强度。）