The UDZSTE-17 5.1B is a Zener diode manufactured by Rohm Semiconductor. Its primary function is to provide voltage regulation and surge protection in electronic circuits. Zener diodes are designed to operate in the reverse breakdown region, maintaining a stable voltage across their terminals. The UDZSTE-17 5.1B is specifically designed with a Zener voltage of 5.1V, making it suitable for applications requiring precise voltage clamping or regulation at that particular voltage level.

Applications

• Voltage Regulation: Used to maintain a constant voltage in power supplies and other circuits.
• Surge Protection: Protects sensitive electronic components from voltage spikes and transient voltages.
• Overvoltage Protection: Prevents damage to circuits by clamping the voltage to a safe level.
• Clipping Circuits: Used to shape waveforms by limiting the voltage to a specific level.
• Reference Voltage: Provides a stable reference voltage for comparators and other circuits.

Features

• Zener Voltage of 5.1V: Provides a stable voltage reference at 5.1V.
• Fast Response Time: Quickly reacts to voltage transients.
• Compact Package: Typically comes in a small surface-mount package, saving board space.
• High Surge Current Capability: Able to withstand high surge currents without failure.
• Stable Performance: Maintains stable voltage regulation over a wide range of temperatures and currents.

Benefits

• Improved Circuit Reliability: Protects components from damage caused by voltage surges.
• Precise Voltage Regulation: Ensures a stable and accurate voltage supply.
• Simplified Circuit Design: Integrates voltage regulation and surge protection into a single component.
• Reduced Board Space: The small package size allows for compact circuit designs.
• Enhanced System Performance: Contributes to the overall stability and reliability of the electronic system.

The UDZSTE-17 5.1B's key specifications include its Zener voltage (Vz = 5.1V), reverse leakage current (Ir), and power dissipation. The precise values for these parameters are available in the Rohm Semiconductor datasheet. It is commonly available in surface-mount packages for automated assembly. Thermal management should be considered, particularly in high-power applications, to ensure the diode operates within its specified temperature range and to maintain its long-term reliability.