1N709A

Diodes - Zener - Single

The 1N709A is a single zener diode, designed to regulate voltages in a circuit. Exactly what makes it a zener diode makes it so versatile commony found in power supplies as a voltage regulator. The diode has a reverse breakdown voltage of 6.2 Volts and maximum dissipation of 500mW.

Application Field

Applications for the 1N709A single zener diode include a wide range of small electronic devices, such as toys, radio transmitters, and a variety of portable electronic devices. It can also be used in linear power supplies, to regulate the input and output voltages of other components. The 1N709A is a low-cost, reliable and efficient way to regulate the voltage in a number of circuits.

Working Principle

When the circuit is connected with the diode, a forward biased junction on the diode acts as a rectifier, allowing the flow of current in one direction while barring the current in another. When the voltage exceeds the zener voltage (in the case of the 1N709A it is 6.2 V), the zener diode begins to break down and allows current to pass in the reverse direction.

The reverse current works to stabilize the voltage in the circuit, allowing it to fluctuate within a certain range of the zener voltage. This is the basic function of a voltage regulator. It allows the circuit to maintain a predetermined level of voltage, preventing it from damaging components within the circuit. By connecting the 1N709A in a power supply, it can be used to provide a stable voltage for powering other components.

Conclusion

Overall, the 1N709A single zener diode makes a great voltage regulator for a number of small circuit applications. Not only is it reliable and cost-effective, but it also requires little energy and is designed to adequately regulate the Voltage when needed.