SMZJ3797BHE3/52

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	22V
Tolerance:	±5%
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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The SMZJ3797BHE3/52 diode from Cognex is a single Zener diode, classified as a small signal switching diode. This diode has a maximum reverse voltage rating of 5.2V, with a maximum Zener current of 100mA. It is used in a variety of electronic applications and is an important component of many electronic circuits.A Zener diode is a special type of diodes that is used for voltage regulation. It most commonly operates in the breakdown voltage region of its I-V curve. This means that it allows current to flow in both forward and reverse directions, with a constant voltage drop across it when the current is flowing in the reverse direction. Zener diodes are primarily used to provide a reference voltage to a circuit, which is the voltage at which it operates correctly.The SMZJ3797BHE3/52 diode is used in many different applications, ranging from power supplies to voltage regulators. In a power supply, it is typically used as a rectifier, where the diode converts AC current into DC current. A voltage regulator circuit, on the other hand, uses the diode to regulate the voltage to a specific value, maintaining the same level of voltage for the output. In this way, an efficient circuit is produced, with the diode providing protection from over-voltage or under-voltage conditions.In addition to its use in power supplies and voltage regulation circuits, the SMZJ3797BHE3/52 diode can also be used in a variety of other applications. It is commonly used in automotive electronics, such as in ECU (Engine Control Unit), anti-lock braking systems, and airbag systems. It is also used in communications systems, including modems, mobile phones, and PDAs. Furthermore, it is often used as a component in radio frequency electronic circuits as well as in telecommunications, military, and aerospace systems.The working principle of SMZJ3797BHE3/52 is relatively simple. When a voltage level is exceeded, the diode begins to conduct current in the reverse direction, creating an avalanche breakdown in the process. This breakdown is defined as a region in the diode’s I-V curve, where the current is constant and the voltage is suddenly increased. In this region, the diode’s voltage cannot be increased any further, and the diode acts as a voltage regulator, maintaining a fixed voltage level until the reverse current is stopped. This makes the SMZJ3797BHE3/52 an ideal component for many different applications, as it can provide a steady, consistent reference voltage for a variety of circuits.The SMZJ3797BHE3/52 is a versatile and reliable single Zener diode, suitable for a wide variety of applications. From power supplies and voltage regulators to automotive electronics and communications systems, this diode can provide a steady and stable reference voltage for a wide range of circuits. Its simple working principle makes it an easy component to integrate into an existing circuit or to develop a new one. With the wide range of applications for this single Zener diode, it is no wonder that it is quickly becoming an important component in many electronic designs.

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