SMAJ4491E3/TR13

Product Overview

Use

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

Characteristics

Fast response time
Low clamping voltage
High surge current capability

Package

The SMAJ4491E3/TR13 is typically available in a DO-214AC (SMA) package.

Essence

The essence of SMAJ4491E3/TR13 lies in its ability to provide robust protection against transient voltage events, ensuring the reliability and longevity of electronic devices.

Packaging/Quantity

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

Specifications

Standoff Voltage: 440V
Breakdown Voltage: 489V
Maximum Clamping Voltage: 775V
Peak Pulse Current: 30A
Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ4491E3/TR13 typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

Bi-directional clamping capability
Low leakage current
High reliability

Advantages

Effective protection against voltage transients
Fast response time
Wide operating temperature range

Disadvantages

Limited peak pulse current handling compared to some higher-rated TVS diodes
Larger footprint compared to smaller form factor TVS diodes

Working Principles

When a transient voltage event occurs, the SMAJ4491E3/TR13 conducts and clamps the voltage to a safe level, diverting the excess energy away from the protected circuit.

Detailed Application Field Plans

SMAJ4491E3/TR13 is widely used in various applications including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ4491E3/TR13 include: - SMAJ5.0A - SMAJ6.0A - SMAJ10A - SMAJ15A

In conclusion, SMAJ4491E3/TR13 is a crucial component in safeguarding electronic circuits from transient voltage events, offering reliable protection and peace of mind for designers and users alike.

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技術ソリューションにおける SMAJ4491E3/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。

What is SMAJ4491E3/TR13?
- SMAJ4491E3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.
What are the key features of SMAJ4491E3/TR13?
- The key features of SMAJ4491E3/TR13 include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
In what technical solutions can SMAJ4491E3/TR13 be used?
- SMAJ4491E3/TR13 can be used in various technical solutions such as power supplies, communication systems, automotive electronics, industrial controls, and consumer electronics.
How does SMAJ4491E3/TR13 protect electronic components?
- SMAJ4491E3/TR13 protects electronic components by diverting excessive current away from sensitive circuits during voltage transients, thereby preventing damage due to overvoltage events.
What is the operating temperature range of SMAJ4491E3/TR13?
- SMAJ4491E3/TR13 has an operating temperature range of -55°C to +150°C, making it suitable for a wide range of environmental conditions.
Is SMAJ4491E3/TR13 RoHS compliant?
- Yes, SMAJ4491E3/TR13 is RoHS compliant, ensuring that it meets environmental standards for hazardous substances.
Can SMAJ4491E3/TR13 be used for ESD protection?
- While SMAJ4491E3/TR13 is primarily designed for transient voltage suppression, it can also provide some level of electrostatic discharge (ESD) protection for electronic circuits.
What is the typical capacitance of SMAJ4491E3/TR13?
- The typical capacitance of SMAJ4491E3/TR13 is 5pF, which is important to consider in high-frequency applications.
Does SMAJ4491E3/TR13 require any special handling during assembly?
- SMAJ4491E3/TR13 is compatible with standard surface mount assembly processes and does not require any special handling beyond industry best practices for ESD-sensitive devices.
Are there any recommended layout considerations when using SMAJ4491E3/TR13?
- It is recommended to minimize the trace length between SMAJ4491E3/TR13 and the protected circuit, and to ensure a low impedance path to ground for optimal performance.