P6SMB51A-E3/5B

Product Overview

Category

The P6SMB51A-E3/5B belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

• Voltage Suppression: Provides protection against voltage spikes and surges.
• Fast Response Time: Rapidly clamps transient voltages to a safe level.
• Low Leakage Current: Minimizes power consumption during normal operation.
• High Surge Capability: Can withstand high surge currents without degradation.

Package

The P6SMB51A-E3/5B is typically available in a surface mount DO-214AA (SMB) package.

Essence

The essence of the P6SMB51A-E3/5B lies in its ability to safeguard electronic circuits from damaging voltage spikes and surges.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 43.6V to 48.1V
• Peak Pulse Power: 600W
• Operating Temperature: -55°C to 150°C
• Breakdown Voltage: 48.1V minimum
• Reverse Standoff Voltage: 51V
• Clamping Voltage: 82.4V at 10A

Detailed Pin Configuration

The P6SMB51A-E3/5B typically has two pins, with the anode and cathode connections for easy integration into circuit designs.

Functional Features

• Transient Voltage Suppression: Quickly diverts excessive voltage away from sensitive components.
• Bidirectional Protection: Safeguards against both positive and negative voltage transients.
• Low Clamping Voltage: Limits the voltage across the protected circuit to prevent damage.

Advantages

• Reliable Protection: Effectively shields electronic devices from voltage surges.
• Compact Size: Small form factor enables easy integration into circuit layouts.
• Wide Operating Temperature Range: Suitable for diverse environmental conditions.

Disadvantages

• Limited Peak Pulse Power: May not be suitable for applications requiring higher surge capabilities.
• Leakage Current: Some applications may require lower leakage current specifications.

Working Principles

When a voltage transient occurs, the P6SMB51A-E3/5B enters a low impedance state, diverting excess current away from the protected circuit. This rapid response prevents the voltage from reaching levels that could damage sensitive components.

Detailed Application Field Plans

The P6SMB51A-E3/5B is commonly used in: - Telecommunication Equipment: Protects sensitive communication devices from lightning-induced surges. - Industrial Control Systems: Safeguards control circuitry from inductive load switching transients. - Consumer Electronics: Provides surge protection for electronic appliances and devices.

Detailed and Complete Alternative Models

• P6SMB33A-E3/52: Lower standoff voltage variant suitable for applications requiring a lower clamping voltage.
• P6SMB68A-E3/61T: Higher standoff voltage variant for applications with higher operating voltage requirements.

In conclusion, the P6SMB51A-E3/5B transient voltage suppressor diode offers reliable protection against voltage transients, making it an essential component in various electronic systems.

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