SMAJ90A

The SMAJ90A is a surface mount transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients. It is specifically designed to clamp voltage surges caused by electrostatic discharge (ESD), lightning, or other transient voltage events.

Pinout

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

• Anode (A)
• Cathode (K)

Circuit Diagram

Include a circuit diagram illustrating the connections and usage of the SMAJ90A diode for effective transient voltage suppression.

Key Features

• Transient Voltage Suppression: Effectively suppresses transient voltages and protects sensitive electronics.
• Reverse Standoff Voltage: With a reverse standoff voltage of 90V, it clamps voltages above this threshold to protect connected devices.
• Low Clamping Voltage: Provides low clamping voltage to limit the voltage stress on the protected circuit.
• Fast Response Time: Offers fast response time to quickly respond to transient events and divert excess voltage away from the circuit.
• Surface Mount Package: Comes in a surface mount package for easy integration into PCB designs.
• ESD Protection: Provides high ESD protection levels to safeguard against electrostatic discharge events.

Note: For detailed technical specifications, please refer to the SMAJ90A datasheet.

Application

• Electronic Protection: Ideal for protecting electronic circuits from voltage transients and surges.
• Telecommunication Systems: Suitable for use in telecommunication systems to prevent damage from lightning-induced surges.
• Consumer Electronics: Used in various consumer electronic devices to ensure reliable operation in the presence of voltage spikes.

Functionality

The SMAJ90A diode acts as a protective barrier against transient voltage events, safeguarding connected circuits from potential damage and ensuring continuous operation of electronic devices.

Usage Guide

• Placement: Place the SMAJ90A diode in parallel with the protected circuit to divert excess voltage away from sensitive components.
• Polarity: Ensure correct polarity with the anode connected to the higher voltage side and the cathode to the lower voltage side.
• Mounting: Utilize proper surface mount techniques for secure and reliable attachment to the PCB.

Frequently Asked Questions

Q: How does the SMAJ90A compare to higher voltage rating TVS diodes?
A: The SMAJ90A is designed for applications requiring protection with a 90V reverse standoff voltage. For higher voltage requirements, consider TVS diodes with appropriate voltage ratings for optimal protection.

Q: Can the SMAJ90A be used in automotive electronics applications?
A: Yes, the SMAJ90A is suitable for automotive electronics to protect against voltage transients and ESD events commonly encountered in vehicular systems.