SM8S40-E3/2D

Product Overview

Category

The SM8S40-E3/2D belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in various electronic circuits and systems to safeguard against voltage transients and spikes.

Characteristics

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

Package

The SM8S40-E3/2D is available in a DO-218AB package.

Essence

This TVS diode provides robust transient voltage protection for sensitive electronics.

Packaging/Quantity

The SM8S40-E3/2D is typically packaged in reels with a quantity per reel varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 800W
• Breakdown Voltage: 40V
• Operating Voltage: 32.6V
• Maximum Clamping Voltage: 58.1V
• Leakage Current: 1µA
• Reverse Standoff Voltage: 40V
• RoHS Compliant: Yes

Detailed Pin Configuration

The SM8S40-E3/2D TVS diode has a standard pin configuration with two leads for connection to the circuit.

Functional Features

• Provides effective protection against transient voltage events
• Fast response time ensures minimal impact on the protected circuit
• High surge capability enables reliable performance in demanding applications

Advantages

• Robust surge protection
• Low clamping voltage
• RoHS compliant

Disadvantages

• May require additional circuitry for comprehensive overvoltage protection in some applications
• Sensitive to reverse polarity connection

Working Principles

The SM8S40-E3/2D operates by diverting excessive transient current away from the protected circuit, thereby limiting the voltage across it. This is achieved through the rapid conduction of the TVS diode when subjected to a transient voltage event.

Detailed Application Field Plans

The SM8S40-E3/2D is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMAJ40A: Similar TVS diode with SMA package
• P6SMB40CA: TVS diode with SMB package and similar specifications
• 1.5SMC40CA: TVS diode with SMC package and comparable characteristics

In conclusion, the SM8S40-E3/2D TVS diode offers robust transient voltage protection with its high surge capability and low clamping voltage. While it requires careful consideration of reverse polarity and may necessitate additional circuitry for comprehensive overvoltage protection, its fast response time and RoHS compliance make it a valuable component in various electronic applications.

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