1N3913A

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Diodes - Rectifiers - Single

The 1N3913A diode is a single rectifier diode from the 1N3900 series. It is characterized by a relatively low voltage drop of 0.6~0.7V, a high surge current capability and a low forward voltage, making it ideal for a variety of rectification applications. The 1N3913A is two-terminal semiconductor device, manufactured in axial and surface mount packages.

Application

The most common use of the 1N3913A diode is as a full wave bridge rectifier in switch-mode power supplies, and other power or load protection circuits. It is also widely used in battery charging and separation applications. The low voltage drop across the diode means that it can also be used in voltage clamping applications to protect sensitive equipment from overvoltage conditions.

In addition, the 1N3913A is used in voltage sampling and detection circuits, such as temperature and pressure transducers. Furthermore, it is ideal for inductive circuit applications where a diode is used to protect other components.

Working Principle

The 1N3913A is a voltage-controlled device that only allows current to flow in one direction. This is called rectification, and it is an essential part of most electronic circuits. In a full wave bridge rectifier, four 1N3913A diodes are arranged in a bridge circuit. This allows the diode bridge to rectify both positive and negative half-wave signals.

When voltage is applied to the 1N3913A diodes, they become forward biased, meaning that they allow current to flow in the forward direction. In a full-wave bridge rectifier, the diodes are arranged in a bridge configuration. When a negative voltage is applied, the circuit becomes negatively charged, allowing current to flow from the negative to the positive terminal. Conversely, when a positive voltage is applied, the circuit is positively charged, allowing current to flow from the positive to the negative terminal.

When the 1N3913A diode is exposed to a voltage above the peak inverse voltage, it is reversed biased and no current will flow through the diode. This can be used along with other passive elements to create circuit protection that prevents damage to sensitive components.

Conclusion

In conclusion, the 1N3913A is a single rectifier diode with a relatively low voltage drop, a high surge current capability and a low forward voltage. It is widely used in a variety of rectification applications, including switch-mode power supplies, battery charging, voltage clamping and protection circuits, as well as detector and inductive circuit applications. The 1N3913A diode is also characterized by a peak inverse voltage rating for protection against overvoltage conditions.

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