1.5SMC43A-M3/9AT Encyclopedia Entry

Product Overview

The 1.5SMC43A-M3/9AT belongs to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are used to protect sensitive electronics from voltage spikes and transient surges. The 1.5SMC43A-M3/9AT is designed to provide high-performance transient voltage suppression for electronic equipment.

Basic Information

• Category: TVS Diode
• Use: Protection against voltage spikes and transient surges
• Characteristics: High-performance, fast response time, low clamping voltage
• Package: DO-214AB (SMC), Tape & Reel
• Essence: Safeguarding sensitive electronics from voltage transients
• Packaging/Quantity: Available in reels of 3000 units

Specifications

• Peak Pulse Power: 1500W
• Standoff Voltage: 36.8V
• Breakdown Voltage: 40.9V
• Clamping Voltage: 58.9V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC43A-M3/9AT follows the standard pin configuration for SMC package diodes, with two leads for connection.

Functional Features

• Fast response time to transient surges
• Low clamping voltage to protect downstream components
• High peak pulse power handling capability
• RoHS compliant

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• High power dissipation capability
• Compact SMC package for space-constrained applications

Disadvantages

• Higher clamping voltage compared to some alternative models
• Limited to unidirectional protection

Working Principles

When a transient surge occurs, the 1.5SMC43A-M3/9AT rapidly conducts, diverting the excess energy away from the protected circuit. This action prevents damage to sensitive components by limiting the voltage across them.

Detailed Application Field Plans

The 1.5SMC43A-M3/9AT is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB36CA

  • Standoff Voltage: 30.8V
  • Breakdown Voltage: 34.2V
  • Clamping Voltage: 53.3V
  • Package: DO-214AA (SMB)

• Alternative Model 2: SMBJ36A

  • Standoff Voltage: 31.9V
  • Breakdown Voltage: 35.5V
  • Clamping Voltage: 56.9V
  • Package: DO-214AA (SMB)

In summary, the 1.5SMC43A-M3/9AT TVS diode offers robust transient voltage suppression capabilities, making it an essential component in safeguarding sensitive electronics from damaging voltage spikes and surges.

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