TPSMC18AHE3/9AT Encyclopedia Entry

Product Overview

The TPSMC18AHE3/9AT belongs to the category of semiconductor devices and is specifically a Transient Voltage Suppressor (TVS) diode. It is commonly used for protecting sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. The TPSMC18AHE3/9AT is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a small, surface-mount package and is available in various packaging quantities.

Specifications

• Voltage Rating: 18V
• Peak Pulse Power: 400W
• Package Type: SMA
• Operating Temperature Range: -55°C to 150°C
• Polarity: Unidirectional

Detailed Pin Configuration

The TPSMC18AHE3/9AT typically has two pins, with the anode and cathode connections clearly labeled on the device. The pin configuration follows industry-standard conventions for TVS diodes.

Functional Features

• Transient Voltage Protection: Provides robust protection against voltage transients.
• Fast Response Time: Rapidly clamps transient voltages to safe levels.
• Low Clamping Voltage: Ensures minimal impact on the protected circuit during transient events.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact surface-mount package

Disadvantages

• Unidirectional protection only
• Limited to specific voltage rating

Working Principles

The TPSMC18AHE3/9AT works by diverting excessive transient current away from sensitive components when a transient voltage event occurs. It achieves this by rapidly switching into a low-impedance state, effectively clamping the transient voltage to a safe level.

Detailed Application Field Plans

The TPSMC18AHE3/9AT is widely used in various electronic systems, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB18CA
  • Voltage Rating: 18V
  • Peak Pulse Power: 600W
  • Package Type: SMB
• Alternative Model 2: 1.5SMC18AT3G
  • Voltage Rating: 18V
  • Peak Pulse Power: 1500W
  • Package Type: SMC

In conclusion, the TPSMC18AHE3/9AT is a reliable TVS diode that offers effective transient voltage protection for a wide range of electronic applications. Its compact size, fast response time, and high surge capability make it a popular choice for designers seeking robust transient voltage suppression solutions.

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