1N4737CP/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	7.5V
Tolerance:	±2%
Power - Max:	1W
Impedance (Max) (Zzt):	4 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 5V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	1N4737

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Diodes - Zener - Single

Zener diodes are a type of diode used to regulate the voltage in a circuit. Unlike a normal diode, which only allows current to flow one way, a Zener diode is designed to reduce the voltage in both directions. The 1N4737CP/TR8 is an example of a Zener diode, commonly used in voltage regulation in computers and other digital electronics.

Applications

The 1N4737CP/TR8 is a small, low-cost Zener diode, making it ideal for use in low-power applications. It is commonly used in computers, other digital electronics, and automotive applications. In computers, it is typically used in microcontroller-based applications, such as voltage regulation and reset circuits. In automotive applications, it is used mostly in wireless remote controls, radio receivers, and alarms.

Working Principle

The 1N4737CP/TR8 Zener diode is designed to reduce voltage in both directions, and as such, works quite differently than a normal diode. A normal diode is designed to only allow current to flow one way, meaning that it requires a certain amount of voltage in order to be able to conduct. A Zener diode, however, is specifically designed to conduct in the opposite direction, and relies on a specific voltage in order to do so.When the voltage applied to the Zener diode is higher than the Zener voltage (the voltage at which the diode will begin to conduct current in the opposite direction), the Zener diode works as a regulator, actively reducing the voltage as it is applied to the circuit. This is known as Zener breakdown, and it is the principle that the 1N4737CP/TR8 operates on.When the applied voltage is lower than the Zener voltage, the diode acts as a normal diode, allowing current to only flow in one direction. This is known as the "diode forward bias" mode, and it is the primary operating mode of the 1N4737CP/TR8.

Advantages

The biggest advantage of the 1N4737CP/TR8 is its low cost and size. It is designed to be used in low-power applications, which makes it ideal for use in microcontroller-based systems where space is at a premium.It is also highly reliable, with a wide range of operating temperatures and an even wider range of operating voltages. This makes it an excellent choice for many automotive applications, where temperatures and voltages can vary widely.Finally, the 1N4737CP/TR8 has an impressive power rating of 1.2 watts, making it an ideal choice for applications that require a fair amount of power.

Conclusion

The 1N4737CP/TR8 is a small, low-cost Zener diode that is commonly used in low-power applications. It is typically used in microcontroller-based systems, as well as automotive applications. The 1N4737CP/TR8 operates on Zener breakdown, where it actively reduces the voltage as it is applied to the circuit. Additionally, the 1N4737CP/TR8 has a wide range of operating temperatures and voltages, and an impressive power rating of 1.2 watts, making it an excellent choice for many applications.

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