1.5SMC43A-M3/57T Encyclopedia Entry

Product Overview

Category

The 1.5SMC43A-M3/57T belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is primarily used for surge protection in electronic circuits and systems.

Characteristics

• High surge capability
• Low clamping voltage
• Fast response time

Package

The 1.5SMC43A-M3/57T is available in a DO-214AB (SMC) package.

Essence

This TVS diode provides robust protection against transient voltage spikes.

Packaging/Quantity

The 1.5SMC43A-M3/57T is typically packaged in reels with quantities varying based on customer requirements.

Specifications

• Standoff Voltage: 36.8V
• Breakdown Voltage: 40.9V
• Maximum Clamping Voltage: 58.9V
• Peak Pulse Current: 66.7A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC43A-M3/57T has two pins, anode, and cathode, which are clearly marked on the device.

Functional Features

• Provides protection against voltage transients
• Fast response time ensures minimal impact on the protected circuit
• Low clamping voltage prevents damage to sensitive components

Advantages

• High surge capability ensures reliable protection
• Compact SMC package allows for space-efficient designs
• Wide operating temperature range for versatile applications

Disadvantages

• May require additional circuitry for comprehensive overvoltage protection
• Limited to low to medium power applications

Working Principles

When a transient voltage spike occurs, the 1.5SMC43A-M3/57T conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across it.

Detailed Application Field Plans

The 1.5SMC43A-M3/57T is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• 1.5SMC Series: Offers a range of standoff voltages and peak pulse currents to suit various application requirements.
• P6SMB Series: Provides similar TVS protection in a different package format, suitable for different PCB layouts.

In conclusion, the 1.5SMC43A-M3/57T TVS diode offers robust surge protection with its high surge capability, low clamping voltage, and fast response time. Its compact package and wide operating temperature range make it suitable for diverse electronic applications, especially in power supply units, communication equipment, automotive electronics, and industrial control systems.

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