The UMZ9.1KTL is a Zener diode manufactured by Rohm Semiconductor. This diode is designed to provide stable voltage regulation and overvoltage protection within electronic circuits. The '9.1K' signifies a Zener voltage of approximately 9.1V. The suffix 'TL' might indicate a specific package or characteristic variant.

Applications:

• Voltage regulation: Maintaining a constant voltage level in power supplies and other sensitive circuits.
• Overvoltage protection: Protecting sensitive components from damage due to voltage spikes or surges.
• Voltage clamping: Limiting voltage to a specific level to prevent damage or signal distortion.
• Transient voltage suppression (TVS): Protecting circuits from short-duration, high-voltage transients.
• Reference voltage generation: Providing a stable reference voltage for comparators, ADCs, and other circuits.

Features:

• Precise 9.1V Zener voltage: Offers accurate and reliable voltage regulation.
• Low reverse leakage current: Minimizes power loss and improves efficiency.
• Small surface-mount package (SMD): Enables high-density PCB layouts.
• High surge current capability: Can withstand transient voltage surges without damage.
• Lead-free terminals: Complies with RoHS standards for environmental protection.

Benefits:

• Stable voltage output: Ensures consistent and reliable circuit performance.
• Effective overvoltage protection: Prevents damage to sensitive electronic components.
• Compact design: Saves valuable board space in densely populated circuits.
• Reliable operation: Designed for long-term stability and performance.
• Environmentally friendly: Complies with RoHS standards, minimizing environmental impact.

Technical Specifications: The UMZ9.1KTL has a Zener voltage (VZ) of approximately 9.1V at a specified test current (IZT). It typically comes in a small surface mount package, such as a SOT-323. Key specifications include the reverse leakage current (IR) at a specified reverse voltage and the dynamic impedance (ZZT). The exact values may vary based on the specific production batch, so always consult the manufacturer's datasheet for detailed electrical characteristics, absolute maximum ratings, and recommended operating conditions to ensure proper application and circuit design.