P4SMA540AHE3_A/H Encyclopedia Entry

Product Overview

The P4SMA540AHE3A/H belongs to the category of TVS (Transient Voltage Suppressor) diodes and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly respond to overvoltage events, diverting excessive current away from sensitive components. The P4SMA540AHE3A/H is typically packaged in a small, surface-mount package and is available in various quantities.

Specifications

• Voltage Rating: 440V
• Power Dissipation: 400W
• Package Type: DO-214AC (SMA)
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The P4SMA540AHE3_A/H follows the standard pin configuration for SMA diodes, with two terminals for connection to the circuit.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltage spikes to protect downstream components.
• Fast Response Time: Rapid reaction to overvoltage events ensures minimal impact on the circuit.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components.
• Small form factor for space-constrained applications.

Disadvantages

• Limited power dissipation compared to larger TVS diodes.
• Higher cost compared to traditional voltage suppression methods.

Working Principles

The P4SMA540AHE3_A/H operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its rated value, effectively suppressing the transient voltage spike.

Detailed Application Field Plans

The P4SMA540AHE3_A/H is commonly used in the following applications: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Consumer Electronics: Safeguarding sensitive electronic devices from power surges. - Automotive Electronics: Providing surge protection for vehicle electronics.

Detailed and Complete Alternative Models

• P6SMB440A: Similar TVS diode with higher power dissipation capability.
• 1.5SMC440CA: TVS diode with a different package type for diverse mounting options.

In conclusion, the P4SMA540AHE3_A/H TVS diode offers effective surge protection in a compact package, making it suitable for a wide range of electronic applications.

Word Count: 311