P4SMA51A-M3/61

Product Overview

The P4SMA51A-M3/61 belongs to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are used to protect sensitive electronic components from voltage spikes and surges. The P4SMA51A-M3/61 is designed to provide transient voltage protection for electronic equipment against overvoltage transients such as lightning, power contact, and ESD. It is characterized by its high surge capability, low clamping voltage, and fast response time. The diode is typically available in a package that includes multiple units, providing convenience for various applications.

Basic Information

• Category: TVS Diodes
• Use: Protection against voltage spikes and surges
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: Multiple units in a single package
• Essence: Transient voltage protection
• Packaging/Quantity: Typically available in reels or tubes containing multiple units

Specifications

• Part Number: P4SMA51A-M3/61
• Voltage - Reverse Standoff (Typ): 43.6V
• Voltage - Breakdown: 48.4V
• Clamping Voltage: 77.4V
• Peak Pulse Current: 53.5A
• Capacitance: 170pF
• Polarity: Unidirectional

Detailed Pin Configuration

The P4SMA51A-M3/61 TVS diode typically has two pins: anode and cathode. The pin configuration is as follows: - Anode (A) - Cathode (K)

Functional Features

• Transient Voltage Protection: Provides protection against voltage spikes and surges.
• Fast Response Time: Rapidly responds to transient events, safeguarding connected electronics.
• High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events
• Fast response time ensures minimal impact on connected equipment
• High surge capability provides robust protection

Disadvantages

• May require additional circuitry for comprehensive surge protection in complex systems
• Unidirectional nature limits applicability in bidirectional protection scenarios

Working Principles

The P4SMA51A-M3/61 operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively clamps the voltage to a safe level, protecting downstream electronics.

Detailed Application Field Plans

The P4SMA51A-M3/61 is widely used in various electronic systems requiring protection against voltage transients. Some specific application fields include: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the P4SMA51A-M3/61 TVS diode include: - P4SMA Series: Offers a range of reverse standoff voltages to suit different application requirements. - SMAJ Series: Provides similar transient voltage protection with varying specifications. - SMBJ Series: Suitable for applications requiring lower power dissipation and smaller footprint.

In conclusion, the P4SMA51A-M3/61 TVS diode is a crucial component in safeguarding electronic equipment from voltage transients, offering high surge capability, fast response time, and reliable protection across various application fields.

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