P6SMB440A-E3/5B

Product Overview

Category

The P6SMB440A-E3/5B belongs to the category of semiconductor devices, specifically within the realm of transient voltage suppressor (TVS) diodes.

Use

These diodes are primarily used for protecting sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

• Voltage Suppression: Capable of suppressing voltage transients to protect downstream components.
• Fast Response Time: Rapid response to transient events ensures minimal impact on the protected circuitry.
• High Power Dissipation: Ability to handle high power dissipation during transient events.
• Low Clamping Voltage: Provides effective protection with low clamping voltage.

Package

The P6SMB440A-E3/5B is typically available in a DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to safeguard electronic circuits from voltage transients, thereby enhancing the reliability and longevity of electronic systems.

Packaging/Quantity

These diodes are commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 376V to 414V
• Breakdown Voltage: 418V to 462V
• Peak Pulse Power: 600W
• Operating Temperature: -55°C to 150°C
• Package Type: DO-214AA (SMB)

Detailed Pin Configuration

The P6SMB440A-E3/5B typically features two pins, with the anode and cathode connections clearly labeled for easy integration into circuit designs.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
• Fast Response: Rapid reaction time to transient events ensures minimal impact on the protected circuitry.
• High Power Dissipation: Capable of handling high transient power levels without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High power dissipation capability

Disadvantages

• May exhibit some leakage current in certain operating conditions
• Sensitive to reverse polarity connection

Working Principles

The P6SMB440A-E3/5B operates based on the principle of avalanche breakdown, where it rapidly clamps the voltage across its terminals when subjected to transient overvoltage conditions. This action diverts the excess energy away from the protected circuitry, ensuring its integrity.

Detailed Application Field Plans

Telecommunications

In telecommunications equipment, the P6SMB440A-E3/5B can be used to protect sensitive communication interfaces from voltage surges induced by lightning strikes or power line disturbances.

Industrial Control Systems

Within industrial control systems, these diodes can safeguard sensitive control circuitry from voltage transients generated by inductive loads or electrical noise.

Automotive Electronics

In automotive electronics, the P6SMB440A-E3/5B can be employed to shield electronic control units (ECUs) and sensors from voltage spikes caused by the vehicle's electrical system or external electromagnetic interference.

Detailed and Complete Alternative Models

• P6SMB10A-E3/52
• P6SMB15A-E3/52
• P6SMB20A-E3/52
• P6SMB30A-E3/52
• P6SMB33A-E3/52

In conclusion, the P6SMB440A-E3/5B transient voltage suppressor diode offers robust protection against voltage transients, making it an essential component in various electronic systems across industries.

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