The 1SMB3EZ20 is a surface-mount Zener diode manufactured by Panjit. It's designed to provide voltage regulation and transient voltage suppression in various electronic circuits. As a Zener diode, it maintains a relatively constant voltage across its terminals when reverse-biased, making it suitable for protecting sensitive components from voltage spikes.

Applications

• Voltage regulation in power supplies
• Transient voltage suppression in data lines
• Overvoltage protection in electronic circuits
• Clamping voltage in signal lines
• Protection of I/O interfaces

Features

• Surface mount package: SMB (DO-214AA)
• Zener voltage: 20V (nominal)
• Power dissipation: 3W
• Low leakage current
• Excellent clamping capability
• Glass passivated junction
• RoHS compliant

Benefits

• Provides stable voltage regulation: The Zener diode maintains a constant voltage output, ensuring reliable operation of connected circuits.
• Protects against voltage transients: It effectively clamps voltage spikes, preventing damage to sensitive electronic components.
• Easy to mount: The surface mount package simplifies assembly and reduces board space requirements.
• High reliability: The glass passivated junction ensures long-term stability and performance.
• Environmentally friendly: RoHS compliance ensures that the diode meets environmental standards.

Additional Details

The 1SMB3EZ20 has a maximum surge power of 300W. Its operating temperature range is -55°C to +150°C. The forward voltage drop is typically 1.2V at 200mA. The device is marked with a specific code for identification. It is crucial to consult the manufacturer's datasheet for detailed electrical characteristics, thermal specifications, and recommended soldering profiles to ensure proper and reliable operation. The SMB package provides good thermal dissipation capabilities, further enhancing its suitability for power applications.