Zener Diodes

Zener diodes are specialized semiconductor electronic components that enable voltage stabilization and surge protection. Due to their ability to operate in the Zener breakdown mode, they are widely used in power supplies, voltage regulation circuits, protection systems, and reference voltage applications.

How Do Zener Diodes Work?

Zener diodes differ from standard diodes as they conduct current in the reverse direction once the voltage exceeds a specified threshold – known as the Zener voltage. This allows for voltage stabilization in circuits and protects sensitive electronic components from voltage spikes.

Key Parameters of Zener Diodes:

✔ Zener voltage – the voltage at which the diode begins to conduct in reverse.
✔ Power rating – defines the amount of energy the diode can safely dissipate.
✔ Voltage tolerance – affects the precision of voltage stabilization in a circuit.

Applications of Zener Diodes

Zener diodes are widely used in electronics, with their main applications including:

Voltage stabilization – ensuring a constant voltage in power supplies and voltage regulators.
Protection circuits – safeguarding electronic components from overvoltage and surges.
Reference voltage sources – used in analog-to-digital converters (ADC), measurement circuits, and sensors.
Automotive electronics – maintaining stable voltage in ECU systems, ignition circuits, and sensors.
Telecommunication systems – protecting signal and transmission lines.

Types of Zener Diodes

Low-voltage Zener diodes (up to 5V) – used in precision voltage regulation circuits.
Medium-voltage Zener diodes (5-50V) – applied in power supplies and control systems.
High-voltage Zener diodes (above 50V) – used in industrial and protective circuits.

Why Choose Zener Diodes?

✔ Effective voltage stabilization – ideal for power supplies and measurement circuits.
✔ Surge protection – prevents damage to sensitive electronic systems.
✔ High precision and wide voltage range – available in various specifications for multiple applications.
✔ Versatile applications – from consumer electronics to industrial power systems.

Items per page:

BZX84C68-H

Zener Diode; 68V; 300mW; -65+150 deg.C; SMD; SOT23

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