SMBJ4738/TR13

Product Overview

Category:

The SMBJ4738/TR13 belongs to the category of transient voltage suppressor diodes.

Use:

These diodes are used to protect sensitive electronic components from voltage spikes and transients.

Characteristics:

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

Package:

The SMBJ4738/TR13 is typically available in a surface mount package.

Essence:

The essence of the SMBJ4738/TR13 lies in its ability to quickly divert excessive voltage away from sensitive components, thereby protecting them from damage.

Packaging/Quantity:

These diodes are usually packaged in reels with a specific quantity per reel, such as 3000 units per reel.

Specifications

• Part Number: SMBJ4738/TR13
• Voltage - Reverse Standoff (Typ): 43.6V
• Voltage - Breakdown (Min): 48.4V
• Voltage - Clamping (Max) @ Ipp: 70.1V
• Current - Peak Pulse (10/1000µs): 30.3A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The SMBJ4738/TR13 typically has two pins for connection. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Provides protection against voltage transients
• Rapid response to overvoltage events
• Low leakage current

Advantages and Disadvantages

Advantages

• Effective protection of sensitive components
• Fast response time
• Low clamping voltage

Disadvantages

• Limited power dissipation capability
• May require additional circuitry for comprehensive protection

Working Principles

When an overvoltage event occurs, the SMBJ4738/TR13 rapidly conducts, diverting the excess voltage away from the protected components and limiting the voltage across them to a safe level.

Detailed Application Field Plans

The SMBJ4738/TR13 is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the SMBJ4738/TR13 include: - SMAJ4738A - P6SMBJ4738A - SMCJ4738A

In conclusion, the SMBJ4738/TR13 transient voltage suppressor diode offers effective protection against voltage transients with its fast response time and low clamping voltage. While it has limitations in power dissipation, it is widely used in diverse applications such as power supplies, telecommunications, automotive electronics, and industrial control systems.

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