1N4695 (DO35)

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The DO35 (1N4695) is a single Zener diode, classified as such because it is made of a single semiconductor crystal. It has a wide range of applications in the industrial, commercial and domestic sectors, making it an invaluable component for any circuit board.

A Zener diode operates by creating a specified voltage drop from the external voltage. This ensures that the voltage seen by the device is a constant amount, regardless of external disturbances and changes in the supply voltage. This makes a Zener diode a viable choice for any circuit that requires a constant voltage.

The 1N4695 is a DO35 package type diode, meaning that the diode measures 3.5mm x 6.3mm. It has a nominal Zener voltage of 2.5V and a voltage tolerance of +/-5%. It has a power dissipation of 1 Watt, meaning it can handle a power up to 1W without overheating.

The most common application of the 1N4695 is as a voltage regulator. By connecting a resistor in series and applying an AC supply to the diode, the DC output voltage can be regulated. This is due to the diode ensuring the same voltage drop, regardless of changes in the AC voltage. This makes the 1N4695 a suitable choice for circuits that require a stable voltage supply. As an added bonus, the 1N4695 also offers a transient protection – protecting the circuit from sudden large spikes in the external voltage.

The 1N4695 is also commonly used as a voltage clamp. By reverse biasing the diode and connecting it in parallel with the device, the diode can clamp sudden large voltage spikes to a safe level. This saves the device from being damaged due to extremes in the external voltage. Additionally, the1N4695 can be used to protect against reverse bias voltages or to protect against electrostatic discharge.

Lastly, the 1N4695 can be used as an audio protection switch. By connecting a load to the diode and reversing biasing it, an AC audio signal can be used to switch the diode on and off. This makes it an ideal choice for applications that require an audio signal to be switched.

In conclusion, the 1N4695 (DO35) is a single Zener diode that offers a wide range of applications; from voltage regulation and transient protection, to voltage clamping, audio protection and more. It is an invaluable component for any circuit board and should be considered for any project that requires a Zener diode.

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