The 1SMB3EZ9.1 is a Zener diode manufactured by Panjit. It is designed to provide voltage regulation and transient voltage suppression, safeguarding electronic circuits from voltage spikes and surges. Zener diodes operate in reverse breakdown mode to maintain a stable voltage, making them suitable for protecting sensitive components.

Applications:

• Voltage regulation
• Transient voltage suppression (TVS)
• Overvoltage protection
• Line termination
• Clamping circuits

Features:

• Zener Voltage: 9.1V
• Power Dissipation: 3W
• Surface Mount Device (SMD)
• SMB package
• Excellent clamping capability

Benefits:

• Protects circuits from overvoltage conditions
• Provides a stable voltage reference
• Compact size for space-constrained applications
• Easy to install on PCBs

Technical Specifications:

Key technical specifications of the 1SMB3EZ9.1 include:

• Zener Voltage (VZ): 9.1V ±5%
• Power Dissipation (PD): 3W
• Operating Temperature Range: -65°C to +150°C
• Package: SMB (DO-214AA)
• Maximum Reverse Leakage Current (IR): 5 μA at 6.8 V

The 1SMB3EZ9.1 Zener diode is commonly used in electronic circuits to protect against voltage transients and provide stable voltage regulation. Its compact SMB package and robust power dissipation capability make it a reliable choice for various applications requiring overvoltage protection.