SMA5J18A-E3/5A

Product Overview

Category

The SMA5J18A-E3/5A belongs to the category of semiconductor devices, specifically a transient voltage suppressor (TVS) diode.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

• Low clamping voltage
• Fast response time
• High surge current capability
• Compact package size

Package

The SMA5J18A-E3/5A is typically available in a surface mount package.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

The SMA5J18A-E3/5A is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 18V
• Breakdown Voltage: 20V
• Peak Pulse Power: 5kW
• Operating Temperature Range: -55°C to 150°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The SMA5J18A-E3/5A typically has two pins for surface mount soldering. The pin configuration may vary slightly based on the manufacturer's specifications.

Functional Features

• Bi-directional TVS diode
• Low clamping voltage
• Fast response time
• High surge current handling capability

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal impact on the protected circuit
• Compact size allows for easy integration into circuit designs

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

The SMA5J18A-E3/5A operates by shunting excessive current away from the protected circuit when a voltage transient occurs. It achieves this through rapid conduction and clamping of the transient voltage to a safe level.

Detailed Application Field Plans

The SMA5J18A-E3/5A is widely used in various applications including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMA5J18A-E3/5A include: - SMA6J18A-E3/61 (Higher power rating) - SMA5J15A-E3/61 (Lower standoff voltage) - SMAJ18A-E3/61 (Different package type)

In conclusion, the SMA5J18A-E3/5A is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and high surge current capabilities. Its compact size and effectiveness make it an essential part of modern electronic designs across various industries.

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