1SMB5919BT3

The 1SMB5919BT3 is a zener diode with a nominal voltage of 10V and a power dissipation of 3W. It is designed for voltage regulation and transient suppression applications, providing reliable protection for electronic circuits against overvoltage events.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• Cathode (K): Connection to the cathode terminal of the zener diode
• Anode (A): Connection to the anode terminal of the zener diode

Circuit Diagram

Include a circuit diagram showing the application of the 1SMB5919BT3 zener diode for voltage regulation and transient protection.

Key Features

• Zener Voltage: The 1SMB5919BT3 has a zener voltage of 10V, providing stable voltage regulation in electronic circuits.
• Power Dissipation: With a power dissipation of 3W, this zener diode can handle transient events and voltage spikes effectively.
• Fast Response Time: The 1SMB5919BT3 offers a quick response time to overvoltage conditions, protecting sensitive components.
• Compact Package: Available in a small SMB package, saving space on PCB designs.
• Wide Operating Temperature Range: Operates within a wide temperature range, making it suitable for various environmental conditions.

Note: For detailed technical specifications, please refer to the 1SMB5919BT3 datasheet.

Application

• Voltage Regulation: Ideal for stabilizing voltage levels in electronic circuits and preventing voltage spikes.
• Transient Suppression: Used to suppress transient voltage spikes and protect sensitive components in circuits.
• Overvoltage Protection: Provides protection against overvoltage events that could damage electronic devices.

Functionality

The 1SMB5919BT3 zener diode regulates voltage by diverting excess current when the voltage across it exceeds the zener voltage. This helps maintain a stable voltage level in the circuit, offering protection against overvoltage conditions.

Usage Guide

• Connection: Connect the cathode (K) terminal to the lower voltage point and the anode (A) terminal to the higher voltage point for proper operation.
• Heat Dissipation: Ensure proper heat sinking if operating near the maximum power dissipation to prevent overheating.

Frequently Asked Questions

Q: What is the purpose of a zener diode in a circuit?
A: A zener diode is used for voltage regulation and transient suppression, maintaining a constant voltage level across the diode.

Q: Is the 1SMB5919BT3 suitable for high-power applications?
A: Yes, with a power dissipation of 3W, the 1SMB5919BT3 can handle moderate power levels effectively.