The UDZV18B is a Zener diode manufactured by Rohm Semiconductor, engineered to provide stable voltage regulation and robust overvoltage protection in various electronic applications. It functions as a voltage reference or shunt regulator, ensuring a nearly constant voltage output despite fluctuations in current. Its reliability and performance make it well-suited for demanding environments.

Applications

• Voltage Stabilization: Maintaining a consistent voltage level in power supplies and electronic circuits.
• Overvoltage Protection: Safeguarding sensitive components against voltage spikes and surges.
• Voltage Clamping: Limiting voltage levels to protect downstream circuitry.
• Reference Voltage Generation: Providing a stable reference voltage for analog circuits and measurement systems.
• Transient Suppression: Protecting against transient voltage events in automotive and industrial applications.

Features

• Zener Voltage: 18V nominal Zener voltage for precise voltage regulation.
• Low Reverse Current: Minimizes power loss and maximizes efficiency.
• High Surge Capability: Resilient against high surge currents, ensuring robust protection.
• Compact Package: Suitable for space-constrained applications.
• Reliable Performance: Guarantees stable operation over a wide range of conditions.

Benefits

• Consistent Voltage Output: Provides a stable and reliable voltage source, crucial for accurate circuit operation.
• Superior Circuit Protection: Protects components from damage caused by overvoltage, enhancing system reliability.
• Extended Component Lifespan: Reduces the likelihood of component failure due to voltage stress.
• Enhanced Energy Efficiency: Low reverse leakage minimizes power consumption.
• Versatile Application: Suitable for a wide range of electronic devices and systems.

Additional Details

The UDZV18B Zener diode comes in a DO-34 package. Its Zener voltage is specified under defined test conditions. The diode is designed to function within a specific temperature range, with its characteristics potentially changing with temperature variations. It is frequently employed in power regulation circuits, telecommunications equipment, and control systems. Power dissipation is application-dependent and should be verified against the datasheet.