What is the 155j 400v Capacitor Datasheet and How is it Used?
The 155j 400v Capacitor Datasheet is a technical document that provides detailed specifications and characteristics for a specific type of capacitor. The "155j" designation typically refers to the capacitance value and tolerance, while "400v" indicates the maximum voltage it can safely withstand. Capacitors, in general, are fundamental electronic components that store electrical energy in an electric field. They are like tiny rechargeable batteries, but they charge and discharge much faster. The 155j 400v capacitor, with its specific capacitance and voltage rating, is designed for applications requiring moderate energy storage and a relatively high operating voltage. These capacitors find their way into a multitude of electronic devices. Some common uses include:- Power supply filtering: To smooth out fluctuations in voltage after AC-to-DC conversion.
- Timing circuits: Where their ability to charge and discharge at a predictable rate is used to control the timing of events.
- Coupling and Decoupling: To block DC current while allowing AC signals to pass, or to absorb unwanted high-frequency noise.
- Motor start circuits: To provide an initial boost of power to get electric motors spinning.
| Parameter | Typical Value | Unit |
|---|---|---|
| Capacitance | 1.5 µF | microfarads |
| Voltage Rating | 400 | Volts DC |
| Tolerance | ±5% or ±10% | percent |
| Temperature Range | -40 to +85 | degrees Celsius |
- Dielectric Material type (e.g., polyester, ceramic)
- Equivalent Series Resistance (ESR)
- Dissipation Factor
- Dimensions and package type
- Marking codes
- Safety standards compliance