The UDZ9.1B is a Zener diode manufactured by Rohm Semiconductor, designed for voltage regulation and transient voltage suppression across a diverse range of electronic applications. It is used to maintain a stable voltage reference and to protect sensitive components from potentially damaging voltage spikes and surges.

Applications

• Voltage regulation in power supplies.
• Overvoltage protection in sensitive electronic circuits.
• Transient voltage suppression in automotive electronics.
• Clipping and clamping circuits.
• Reference voltage generation for precision circuits.

Features

• Zener Voltage: 9.1V (Nominal).
• Low Reverse Leakage Current: Minimizes power dissipation and improves efficiency.
• High Surge Current Capability: Provides robust protection against transient voltage surges and spikes.
• Compact Surface Mount Package: Enables high-density circuit board designs.
• Excellent Clamping Characteristics: Provides precise voltage limiting for sensitive components.

Benefits

• Stable Voltage Regulation: Ensures consistent and reliable voltage levels in electronic circuits.
• Effective Overvoltage Protection: Prevents damage to sensitive components from voltage transients and surges.
• Improved System Reliability: Extends the lifespan of electronic equipment by protecting against voltage-related failures.
• Reduced Power Consumption: Low leakage current contributes to energy efficiency and reduces heat generation.
• Compact Design: Allows for miniaturization of electronic devices and improved circuit board density.

Technical Specifications

The UDZ9.1B typically comes in a small surface mount (SMD) package. Key technical specifications include a Zener voltage of 9.1V, a low reverse leakage current, and a specified surge current rating. Consult the Rohm Semiconductor datasheet for precise specifications and operating characteristics, including power dissipation, operating temperature range, and forward voltage characteristics. The device is RoHS compliant.