Engineers outside automotive domain might never have thought how a automotive battery gets charged. A hardware engineer in automotive is very much familiar of those technical details. The whole mechanism happens with the help of alternators which convert mechanical energy to electrical energy. The electrical energy generated at this point is alternating one. So, either to charge the battery or to provide the power to the ECU (Engine control unit). So, rectification has to happen. The process of rectification converts alternating current to direct current. For these purpose we use rectifier diodes.
Button diode, Cell diode and Press fit diode are types of rectifier diodes used in rectification process. These are especially designed for automotive applications.
Advantages of rectifier diodes (Button type, Press fit, Cell diode) used in automotive applications:
- Low leakage
- High reverse voltage rating
- Low cost
- High surge current handling capability
- High operating temperature
- Plastic Casing on these diodes meet flammability standards
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