The UDZSTE-17 9.1B is a Zener diode manufactured by Rohm Semiconductor, designed to provide precise voltage regulation and robust surge protection in various electronic applications. Characterized by its 9.1V Zener voltage, this diode offers a stable and reliable means of clamping or regulating voltage at this specific level when operating in the reverse breakdown region.

Applications

• Voltage Regulation: Maintaining a constant voltage supply in power supplies and electronic circuits.
• Surge Protection: Protecting sensitive electronic components from voltage spikes and transients.
• Overvoltage Protection: Preventing damage to downstream circuitry by limiting voltage levels.
• Clipping Circuits: Shaping waveforms by limiting voltage excursions to a specific level.
• Reference Voltage: Providing a stable reference voltage for comparators and other analog circuits.

Features

• 9.1V Zener Voltage: Offers a stable 9.1V voltage reference or clamping voltage.
• Fast Response Time: Reacts quickly to voltage transients, providing effective surge protection.
• Compact Package: Typically available in a small surface-mount package for space-saving designs.
• High Surge Current Capability: Withstands high surge currents without damage.
• Stable Performance: Maintains stable voltage regulation over a wide range of temperatures and operating conditions.

Benefits

• Enhanced Circuit Reliability: Protects sensitive components from voltage surges and overvoltage conditions.
• Precise Voltage Regulation: Ensures a stable and accurate voltage supply for critical circuits.
• Simplified Circuit Design: Integrates voltage regulation and surge protection into a single component.
• Reduced Board Space: The compact package allows for smaller and more efficient circuit designs.
• Improved System Performance: Contributes to the overall stability and reliability of the electronic system.

Key specifications for the UDZSTE-17 9.1B include its Zener voltage (Vz = 9.1V), reverse leakage current (Ir), and power dissipation. Precise values are available in the Rohm Semiconductor datasheet. It is usually available in a surface-mount package, suitable for automated assembly. Proper thermal management is essential, especially in high-power applications, to ensure the diode operates within its specified temperature range and maintains its long-term reliability.