P4SMA100C - English Editing Encyclopedia Entry

Product Overview

Category

P4SMA100C belongs to the category of semiconductor devices, specifically within the family of TVS (Transient Voltage Suppressor) diodes.

Use

These diodes are primarily used for surge protection in electronic circuits, providing a high level of protection against voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Package: SMA (DO-214AC)
• Essence: Silicon TVS diode
• Packaging/Quantity: Available in tape and reel packaging, with quantities varying based on supplier and customer requirements.

Specifications

• Peak Power Dissipation: 400W
• Breakdown Voltage: 100V
• Operating Voltage: 85.5V
• Clamping Voltage: 146V
• Maximum Reverse Standoff Voltage: 85V
• Maximum Reverse Leakage Current: 1μA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The P4SMA100C TVS diode has two pins, typically denoted as the anode and cathode. The anode is connected to the circuit's positive terminal, while the cathode is connected to the ground or negative terminal.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
• Low Clamping Voltage: Provides effective protection without imposing excessive voltage drop during normal operation.

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components.
• Fast response time ensures minimal disruption to the circuit.
• Compact package size allows for easy integration into various circuit designs.

Disadvantages

• Limited to specific voltage and power ratings, may not be suitable for all applications.
• Requires careful consideration of placement and routing to ensure optimal protection.

Working Principles

When a transient voltage event occurs, the P4SMA100C TVS diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

Electronic Equipment

• Used in power supplies, communication equipment, and industrial control systems to safeguard against voltage surges.

Automotive Electronics

• Integrated into automotive electronics to protect against voltage spikes caused by load dump and other transient events.

Consumer Electronics

• Employed in consumer electronic devices such as smartphones, tablets, and home appliances to enhance ESD protection.

Detailed and Complete Alternative Models

• P6SMB100A: Similar TVS diode with higher peak power dissipation.
• 1.5SMC100CA: TVS diode with a different package and form factor, suitable for alternative mounting options.

In conclusion, the P4SMA100C TVS diode offers robust surge protection for a wide range of electronic applications, making it an essential component in ensuring the reliability and longevity of sensitive electronic systems.

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