P4SMA43CA-E3/61

Product Overview

Category

The P4SMA43CA-E3/61 belongs to the category of semiconductor devices, specifically within the family of TVS (Transient Voltage Suppressor) diodes.

Use

This product is primarily used for surge protection in electronic circuits and systems, safeguarding against transient voltage spikes and surges.

Characteristics

• Voltage Suppression: Capable of suppressing transient voltages to protect sensitive electronic components.
• Fast Response Time: Rapid reaction to voltage transients, ensuring minimal impact on the protected circuitry.
• Low Clamping Voltage: Provides effective clamping of overvoltage conditions to a safe level.
• High Surge Current Capability: Able to handle high surge currents without degradation.

Package

The P4SMA43CA-E3/61 is typically available in a DO-214AC (SMA) package, which is a surface-mount device (SMD) package.

Essence

The essence of this product lies in its ability to provide robust transient voltage protection, thereby enhancing the reliability and longevity of electronic systems.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 36.8V
• Breakdown Voltage: 40.9V
• Peak Pulse Power: 400W
• Operating Temperature Range: -55°C to 150°C
• Polarity: Unidirectional

Detailed Pin Configuration

The P4SMA43CA-E3/61 typically features two pins in a standard SMA package configuration. The pinout is as follows: 1. Anode (A) 2. Cathode (K)

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream circuitry.
• Fast Reaction Time: Rapid response to voltage spikes ensures minimal impact on the system.
• Low Leakage Current: Maintains low leakage current during normal operation.

Advantages and Disadvantages

Advantages

• Effective protection against transient voltage events.
• Fast response time to voltage transients.
• Low clamping voltage for enhanced protection.

Disadvantages

• Unidirectional protection only.
• Sensitive to prolonged overvoltage conditions.

Working Principles

The P4SMA43CA-E3/61 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when subjected to a voltage surge, diverting the transient energy away from the protected circuit.

Detailed Application Field Plans

This product finds extensive application in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB36CA
  • Standoff Voltage: 36V
  • Breakdown Voltage: 40V
  • Peak Pulse Power: 600W
• Alternative Model 2: SMBJ36CA
  • Standoff Voltage: 36.8V
  • Breakdown Voltage: 40.9V
  • Peak Pulse Power: 600W

In conclusion, the P4SMA43CA-E3/61 serves as a crucial component in protecting electronic systems from transient voltage events, offering fast response times and robust surge protection capabilities. Its application spans across diverse industries, contributing to the reliability and resilience of electronic devices and equipment.

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