1.5SMC39A-M3/9AT

Product Category

The 1.5SMC39A-M3/9AT belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Basic Information Overview

• Use: These diodes are used to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
• Characteristics: They have a high surge capability, low clamping voltage, and fast response time.
• Package: The 1.5SMC39A-M3/9AT is available in a DO-214AB (SMC) package.
• Essence: It provides robust overvoltage protection for a wide range of applications.
• Packaging/Quantity: Typically packaged in reels of 1500 units.

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 43.6V
• Clamping Voltage: 77.4V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC39A-M3/9AT has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

• Provides transient voltage suppression for electronic equipment.
• Fast response time ensures minimal damage to protected devices.

Advantages and Disadvantages

• Advantages:
  • High surge capability
  • Low clamping voltage
  • Fast response time
• Disadvantages:
  • Sensitive to reverse voltage polarity
  • Can degrade over time with repeated surges

Working Principles

When a transient voltage spike occurs, the diode conducts current to divert the excess energy away from the protected circuit, thus limiting the voltage across the circuit.

Detailed Application Field Plans

The 1.5SMC39A-M3/9AT is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

• SMAJ40A: Similar specifications but in a smaller SMA package.
• P6KE36CA: Higher peak pulse power and clamping voltage in a larger axial package.

This comprehensive entry provides detailed information about the 1.5SMC39A-M3/9AT, covering its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.