SM8S43ATHE3/I

Product Overview

Category

The SM8S43ATHE3/I belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used for protecting sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

Characteristics

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

Package

The SM8S43ATHE3/I is available in a DO-218AB package.

Essence

The essence of this product lies in its ability to provide robust protection against voltage transients, ensuring the safety and reliability of connected electronic devices.

Packaging/Quantity

It is typically packaged in reels and available in quantities suitable for both prototyping and production purposes.

Specifications

• Peak Pulse Power: 8000 W
• Breakdown Voltage Range: 47.4 V to 52.8 V
• Maximum Clamping Voltage: 77.4 V at 16 A
• Operating Temperature Range: -55°C to 175°C
• Reverse Standoff Voltage: 43 V

Detailed Pin Configuration

The SM8S43ATHE3/I TVS diode has a standard pin configuration with two leads for connection.

Functional Features

• Bi-directional TVS diode
• Low incremental surge resistance
• High temperature stability
• ESD protection up to ±30 kV contact discharge per IEC 61000-4-2

Advantages

• Robust surge protection
• Wide operating temperature range
• High ESD protection level
• Compact form factor

Disadvantages

• Higher clamping voltage compared to some alternative models
• Sensitive to excessive current or prolonged overvoltage conditions

Working Principles

The SM8S43ATHE3/I operates by diverting excess current away from sensitive components when a transient voltage event occurs. It rapidly clamps the voltage to a safe level, protecting downstream circuitry.

Detailed Application Field Plans

This TVS diode is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diodes to consider are: - SM8S36AHE3/2D: Similar specifications with a lower clamping voltage - P6KE51CA: Unidirectional TVS diode with comparable characteristics - 1.5KE43CA: Higher power handling capability with similar breakdown voltage

In conclusion, the SM8S43ATHE3/I transient voltage suppressor diode offers robust protection against voltage transients, making it an essential component in various electronic applications.

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