The RD9.1FM-T1B is a Zener diode manufactured by NEC. It is designed to provide a stable reference voltage or voltage regulation in various electronic circuits. Zener diodes are characterized by their ability to maintain a nearly constant voltage across their terminals when the reverse current exceeds the Zener knee current.

Applications

• Voltage regulation in power supplies
• Overvoltage protection
• Wave shaping
• Clipping circuits
• Voltage shifting

Features

• Precise Zener voltage of 9.1V
• Small surface mount package for high-density mounting
• High surge current capability, ensuring reliability under transient conditions
• Stable performance over a wide temperature range
• Low leakage current, improving circuit efficiency

Benefits

• Provides a stable and reliable voltage reference
• Protects sensitive components from overvoltage damage
• Enables the creation of precise voltage regulation circuits
• Reduces circuit complexity and cost
• Enhances the overall reliability of electronic devices

Technical Specifications (Typical)

• Zener Voltage (Vz): 9.1V ±5%
• Reverse Leakage Current (Ir): Typically less than 1 μA at a specified reverse voltage
• Zener Impedance (Zz): A few ohms (dependent on test current)
• Power Dissipation (Pd): Approximately 200-300mW (dependent on package)
• Operating Temperature Range: -55°C to +150°C
• Package: Likely SOD-323 or equivalent surface mount package

The RD9.1FM-T1B is commonly used in applications where a precise and stable 9.1V voltage reference is required. The small size and surface mount design make it suitable for modern electronic devices with stringent space requirements. Its robust design ensures reliable operation even under harsh environmental conditions.