SMZJ3797A-E3/5B

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	22V
Tolerance:	±10%
Power - Max:	1.5W
Impedance (Max) (Zzt):	17.5 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 16.7V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMBJ)
Base Part Number:	SMZJ3797

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What Is SMZJ3797A-E3/5B

SMZJ3797A-E3/5B is a Zener diode, which is a type of diode that has a highly forward voltage drop and high reverse breakdown voltage. The SMZJ3797A-E3/5B is designed to provide a stable voltage in the reverse direction. It is a high power zener diode and is capable of handling up to 1.0 watt of power with a maximum operating temperature of 125°C. It is available in two different packaging styles: SOD-323, and one with leads.

Applications of SMZJ3797A-E3/5B

The SMZJ3797A-E3/5B is primarily used for voltage regulation applications, but it can also be employed in various other applications. It can be used for dc-to-dc converters, shunt regulators, voltage stabilization, and voltage references. Additionally, it is also used in combination with other components to provide voltage multipliers.

Working Principle of SMZJ3797A-E3/5B

The SMZJ3797A-E3/5B works by allowing the current to flow in a single direction, while blocking any current flow in the opposite direction. This blocking effect is achieved by the depletion region in the P-N junction, where the depletion region acts like a barrier and prevents the current from passing through it in the reverse direction. When a voltage is applied to the diode, the barrier is partially depleted, which allows a small amount of current to flow. When the applied voltage reaches a threshold value, the current increases exponentially, resulting in the Zener effect. This Zener effect allows the diode to be used as a voltage regulator. The Zener voltage of the SMZJ3797A-E3/5B is 7.5V, which means that the voltage drop across the diode will remain constant at 7.5V, regardless of the amount of current that is passing through it. The reverse breakdown voltage is specified to be approximately 8 V, which ensures that the diode will operate reliably in the operating circuit.

Conclusion

The SMZJ3797A-E3/5B is a high-power Zener diode, which is used to regulate the voltage in a variety of applications. It has a reverse breakdown voltage of 8V and a Zener voltage of 7.5V, which allows it to be used as a voltage regulator. Additionally, it can also be used in combination with other components to provide voltage multipliers. The SMZJ3797A-E3/5B is an ideal choice for voltage regulation applications, as it has a high power rating and a maximum operating temperature of 125°C.

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