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SMAJ4749CE3/TR13
Product Overview
Category
The SMAJ4749CE3/TR13 belongs to the category of semiconductor devices, specifically a type of transient voltage suppressor diode.
Use
It is commonly used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.
Characteristics
- Voltage Suppression: Capable of suppressing transient voltages to protect downstream components.
- Fast Response Time: Rapidly clamps transient voltages to safe levels.
- Low Leakage Current: Minimizes power consumption during normal operation.
- Compact Package: Small form factor suitable for integration into various electronic circuits.
Package
The SMAJ4749CE3/TR13 is typically available in a surface-mount package, such as SMB or SMC, and is compatible with automated assembly processes.
Essence
The essence of this product lies in its ability to safeguard electronic circuits from potentially damaging voltage spikes, ensuring reliable and long-lasting performance of electronic devices.
Packaging/Quantity
It is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.
Specifications
- Part Number: SMAJ4749CE3/TR13
- Standoff Voltage: 43.6V
- Peak Pulse Power: 400W
- Operating Temperature Range: -55°C to +150°C
- Breakdown Voltage: 48.5V
- Reverse Standoff Voltage: 39.3V
- Forward Voltage: 3.5V at 10A
Detailed Pin Configuration
The SMAJ4749CE3/TR13 typically features a two-pin configuration, with the anode and cathode terminals for connection to the circuit.
Functional Features
- Transient Voltage Suppression: Quickly clamps transient voltages to a safe level, protecting downstream components.
- Low Clamping Voltage: Ensures that the protected circuit operates within safe voltage limits.
- Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to sensitive electronics.
Advantages and Disadvantages
Advantages
- Effective protection against transient voltage events.
- Fast response time.
- Low leakage current.
- Compact form factor.
Disadvantages
- Limited to specific voltage ranges.
- May require additional circuitry for comprehensive surge protection.
Working Principles
The working principle of the SMAJ4749CE3/TR13 involves utilizing its semiconductor properties to divert excessive transient voltages away from sensitive components, thereby preventing damage due to overvoltage conditions.
Detailed Application Field Plans
The SMAJ4749CE3/TR13 finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Consumer Electronics: Safeguarding sensitive electronic devices from ESD events. - Automotive Electronics: Providing surge protection for vehicle electronic systems.
Detailed and Complete Alternative Models
- 1. P6SMBJ43CA: Similar specifications and functionality.
- 2. SMBJ48CA: Comparable transient voltage suppression characteristics.
- 3. SMCJ48A: Alternative package option with similar electrical characteristics.
In conclusion, the SMAJ4749CE3/TR13 serves as a crucial component in safeguarding electronic circuits from transient voltage events, offering fast response times and effective protection. Its compact form factor and low leakage current make it suitable for a wide range of applications, from consumer electronics to industrial equipment.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMAJ4749CE3/TR13 v technických řešeních
What is SMAJ4749CE3/TR13?
- SMAJ4749CE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.
What are the key features of SMAJ4749CE3/TR13?
- The key features include a peak pulse power of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
In what technical solutions can SMAJ4749CE3/TR13 be used?
- SMAJ4749CE3/TR13 can be used in various technical solutions such as power supplies, automotive electronics, industrial controls, and telecommunications equipment.
How does SMAJ4749CE3/TR13 provide protection against voltage spikes?
- SMAJ4749CE3/TR13 clamps the voltage to a safe level during transient events, diverting excess current away from sensitive components and preventing damage.
What is the operating temperature range of SMAJ4749CE3/TR13?
- The operating temperature range is typically -55°C to +150°C, making it suitable for a wide range of environments.
Is SMAJ4749CE3/TR13 RoHS compliant?
- Yes, SMAJ4749CE3/TR13 is RoHS compliant, ensuring it meets environmental standards for hazardous substances.
Can SMAJ4749CE3/TR13 be used for ESD protection?
- While SMAJ4749CE3/TR13 is primarily designed for transient voltage suppression, it can also provide some level of ESD protection due to its fast response time.
What is the recommended PCB layout for SMAJ4749CE3/TR13?
- A recommended PCB layout includes short traces between the diode and the protected circuit, as well as proper grounding and placement near the input/output connectors.
Are there any application notes or guidelines available for using SMAJ4749CE3/TR13?
- Yes, the manufacturer provides detailed application notes and guidelines for incorporating SMAJ4749CE3/TR13 into different technical solutions.
Where can I purchase SMAJ4749CE3/TR13?
- SMAJ4749CE3/TR13 can be purchased from authorized distributors or directly from the manufacturer's website.