SMCJ85C-E3/9AT

Product Overview

Category

The SMCJ85C-E3/9AT belongs to the category of semiconductor devices, specifically a transient voltage suppressor (TVS) diode.

Use

It is used to protect electronic circuits from overvoltage transients caused by lightning, electrostatic discharge (ESD), and other voltage spikes.

Characteristics

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

Package

The SMCJ85C-E3/9AT is typically available in a DO-214AB (SMC) package.

Essence

The essence of the SMCJ85C-E3/9AT lies in its ability to rapidly divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Standoff Voltage: 77.8V
• Breakdown Voltage: 86.4V
• Maximum Clamping Voltage: 110V
• Peak Pulse Current: 30A
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMCJ85C-E3/9AT typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

• Bi-directional clamping capability
• Low leakage current
• High reliability

Advantages

• Effective protection against voltage transients
• Wide operating temperature range
• Compact size for easy integration into circuit designs

Disadvantages

• Limited peak pulse current handling compared to higher-rated TVS diodes
• Higher clamping voltage than some specialized TVS diodes

Working Principles

When a voltage transient occurs, the SMCJ85C-E3/9AT conducts current to divert the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit to a safe level, preventing damage to sensitive components.

Detailed Application Field Plans

The SMCJ85C-E3/9AT is commonly used in various applications, including: - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMCJ85C-E3/9AT include: - P6KE82CA - 1.5KE68CA - SMBJ85CA

In conclusion, the SMCJ85C-E3/9AT is a crucial component in protecting electronic circuits from voltage transients, offering fast response times and high surge current capabilities. Its compact size and bi-directional clamping capability make it suitable for a wide range of applications, although designers should consider its limitations in peak pulse current handling and clamping voltage when selecting alternatives for specific use cases.