SMBG4749/TR13

Product Overview

Use

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

Characteristics

Low profile package
Ideal for automated placement
Glass passivated chip junction
500W peak pulse power capability at 10/1000μs waveform

Package

The SMBG4749/TR13 comes in a SMB (DO-214AA) package.

Essence

The essence of this product lies in its ability to provide robust transient voltage suppression for electronic circuits.

Packaging/Quantity

It is typically available in reels with a quantity of 3000 units per reel.

Specifications

Standoff Voltage: 43.6V
Breakdown Voltage: 48.5V
Maximum Clamping Voltage: 69.4V
Peak Pulse Current: 14.5A
Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBG4749/TR13 has two pins: 1. Anode 2. Cathode

Functional Features

Fast response time
Low incremental surge resistance
High temperature stability
RoHS compliant

Advantages and Disadvantages

Advantages

Robust protection against voltage transients
Compact size for space-constrained applications
Suitable for automated assembly processes

Disadvantages

Limited peak pulse power capability compared to some higher-rated devices
May require additional circuitry for handling high-energy transients

Working Principles

The SMBG4749/TR13 operates by diverting excessive current away from sensitive components when a transient voltage event occurs. It achieves this through rapid clamping and dissipation of the transient energy.

Detailed Application Field Plans

This diode is commonly used in various electronic systems such as: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to consider include: - SMAJ series - SMCJ series - P6SMB series

In conclusion, the SMBG4749/TR13 is a reliable surface mount transient voltage suppressor diode that offers robust protection against voltage transients in a compact package suitable for a wide range of electronic applications.

Word count: 366

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SMBG4749/TR13 i tekniska lösningar

What is SMBG4749/TR13?
- SMBG4749/TR13 is a high-speed, low-power voltage suppressor diode used for transient voltage protection in various technical solutions.
What are the key features of SMBG4749/TR13?
- The key features of SMBG4749/TR13 include its high surge capability, low clamping voltage, and fast response time.
Where is SMBG4749/TR13 commonly used?
- SMBG4749/TR13 is commonly used in applications such as power supplies, communication equipment, and automotive electronics for transient voltage protection.
What is the maximum forward voltage of SMBG4749/TR13?
- The maximum forward voltage of SMBG4749/TR13 is typically around 0.9V at a specified forward current.
How does SMBG4749/TR13 provide transient voltage protection?
- SMBG4749/TR13 provides transient voltage protection by quickly diverting excess voltage away from sensitive components, thus preventing damage from voltage spikes.
What is the operating temperature range of SMBG4749/TR13?
- The operating temperature range of SMBG4749/TR13 is typically between -55°C to 150°C, making it suitable for a wide range of environments.
Does SMBG4749/TR13 require any external components for proper operation?
- SMBG4749/TR13 does not require any external components for basic transient voltage protection, but additional circuitry may be needed for specific applications.
Is SMBG4749/TR13 RoHS compliant?
- Yes, SMBG4749/TR13 is RoHS compliant, ensuring that it meets environmental standards for hazardous substance restrictions.
What are the package options available for SMBG4749/TR13?
- SMBG4749/TR13 is available in a variety of package options, including SMB, SMC, and DO-214AA, providing flexibility for different design requirements.
Are there any application notes or guidelines for using SMBG4749/TR13 in technical solutions?
- Yes, detailed application notes and guidelines are available from the manufacturer, providing information on layout considerations, mounting techniques, and recommended usage scenarios for SMBG4749/TR13.