SMAJ4738AE3/TR13
Product Overview
Category
The SMAJ4738AE3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes.
Use
It is used for protecting sensitive electronic components from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.
Characteristics
- Voltage Suppression: Provides protection against voltage spikes and surges.
- Fast Response Time: Rapidly clamps transient voltages to a safe level.
- Low Leakage Current: Ensures minimal power dissipation during normal operation.
- Compact Package: Small form factor for space-constrained applications.
Package
The SMAJ4738AE3/TR13 is typically available in a surface-mount package, such as SMB (DO-214AA), with tape and reel packaging.
Essence
The essence of the SMAJ4738AE3/TR13 lies in its ability to safeguard electronic circuits from voltage transients, thereby enhancing the reliability and longevity of electronic devices.
Packaging/Quantity
It is commonly supplied in reels containing a specific quantity, such as 3000 units per reel.
Specifications
- Standoff Voltage: 38V
- Peak Pulse Power: 400W
- Breakdown Voltage: 42.1V
- Maximum Clamping Voltage: 61.4V
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
The SMAJ4738AE3/TR13 typically features two pins for connection, with the pinout configuration as follows: - Pin 1: Anode - Pin 2: Cathode
Functional Features
- Transient Voltage Suppression: Quickly diverts excessive voltage away from sensitive components.
- Low Clamping Voltage: Limits the voltage across the protected circuitry.
- Bidirectional Protection: Guards against both positive and negative transient events.
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- Compact and space-saving design
Disadvantages
- Limited to specific voltage ratings
- Requires careful consideration of placement for optimal performance
Working Principles
When a transient voltage event occurs, the SMAJ4738AE3/TR13 conducts current to divert the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.
Detailed Application Field Plans
The SMAJ4738AE3/TR13 finds application in various fields, including: - Telecommunications: Protecting communication equipment from lightning-induced surges. - Consumer Electronics: Safeguarding sensitive ICs in electronic devices from ESD events. - Automotive: Providing surge protection for automotive electronics.
Detailed and Complete Alternative Models
Some alternative models to the SMAJ4738AE3/TR13 include: - SMAJ5.0A: Standoff Voltage 5.0V, Peak Pulse Power 400W - SMAJ12A: Standoff Voltage 12V, Peak Pulse Power 400W - SMAJ24A: Standoff Voltage 24V, Peak Pulse Power 400W
In conclusion, the SMAJ4738AE3/TR13 is a vital component in safeguarding electronic circuits from transient voltage events, offering effective protection and fast response times in a compact package.
Word Count: 495
기술 솔루션에 SMAJ4738AE3/TR13 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
What is SMAJ4738AE3/TR13?
- SMAJ4738AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
What is the maximum peak pulse power of SMAJ4738AE3/TR13?
- The maximum peak pulse power of SMAJ4738AE3/TR13 is 400 watts.
What is the breakdown voltage of SMAJ4738AE3/TR13?
- The breakdown voltage of SMAJ4738AE3/TR13 is 43.6 volts.
What are the typical applications of SMAJ4738AE3/TR13?
- SMAJ4738AE3/TR13 is commonly used in surge protection for telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.
What is the operating temperature range of SMAJ4738AE3/TR13?
- The operating temperature range of SMAJ4738AE3/TR13 is -55°C to +150°C.
How does SMAJ4738AE3/TR13 provide protection against voltage transients?
- SMAJ4738AE3/TR13 clamps the transient voltage to a safe level, diverting excess current away from the protected circuit.
Is SMAJ4738AE3/TR13 RoHS compliant?
- Yes, SMAJ4738AE3/TR13 is RoHS compliant, making it suitable for use in environmentally sensitive applications.
What is the packaging type of SMAJ4738AE3/TR13?
- SMAJ4738AE3/TR13 is available in a surface mount DO-214AC (SMA) package.
What are the key electrical characteristics of SMAJ4738AE3/TR13?
- Key electrical characteristics include low leakage current, fast response time, and high surge capability.
Can SMAJ4738AE3/TR13 be used in high-speed data line protection?
- Yes, SMAJ4738AE3/TR13 is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI interfaces against voltage transients.
Feel free to ask if you need further information on any of these questions!