SMAJ250A

The SMAJ250A is a transient voltage suppressor diode designed to protect electronic circuits against overvoltage spikes and transients. This diode features a breakdown voltage of 250V and is commonly used in various applications to safeguard sensitive components from voltage surges.

Pinout

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

• A: Anode (Positive Terminal)
• K: Cathode (Negative Terminal)

Circuit Diagram

Include a circuit diagram illustrating the connection of the SMAJ250A diode in a typical protection circuit for better understanding.

Key Features

• Transient Voltage Suppression: Protects against voltage transients and spikes by diverting excess current away from sensitive components.
• High Breakdown Voltage: With a breakdown voltage of 250V, the SMAJ250A offers reliable protection for circuits operating within this range.
• Low Clamping Voltage: Provides effective clamping of transient voltages to keep downstream components safe.
• Fast Response Time: Responds quickly to voltage surges, limiting the duration of damaging spikes.
• Compact Size: The SMAJ250A comes in a small, surface-mount package, making it suitable for space-constrained PCB designs.

Note: For detailed technical specifications, please refer to the SMAJ250A datasheet.

Application

• Overvoltage Protection: Ideal for safeguarding sensitive electronic components from voltage transients in various circuits.
• Power Supply Protection: Used in power supply units to prevent damage from sudden voltage spikes or surges.
• Telecommunication Systems: Employed in telecommunication equipment to ensure uninterrupted operation during voltage fluctuations.

Functionality

The SMAJ250A diode acts as a protective barrier against voltage spikes and transients, preserving the integrity of connected circuits and components.

Usage Guide

• Anode Connection: Connect the A pin to the positive terminal of the circuit requiring protection.
• Cathode Connection: Connect the K pin to the ground or negative terminal of the circuit.

Frequently Asked Questions

Q: What is the clamping voltage of the SMAJ250A?
A: The SMAJ250A has a low clamping voltage, typically below 400V.

Q: Can the SMAJ250A be used for ESD protection?
A: While primarily designed for transient voltage suppression, the SMAJ250A can provide some level of ESD protection in electronic circuits.