SMAJ4490CE3/TR13
Product Overview
Category
The SMAJ4490CE3/TR13 belongs to the category of transient voltage suppressor diodes.
Use
It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
Characteristics
- Fast response time
- Low clamping voltage
- High surge current capability
Package
The SMAJ4490CE3/TR13 is typically available in a DO-214AC (SMA) package.
Essence
The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.
Packaging/Quantity
The SMAJ4490CE3/TR13 is commonly packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Peak Power Dissipation: 400W
- Breakdown Voltage Range: 440V to 489V
- Operating Temperature Range: -55°C to 150°C
- RoHS Compliant: Yes
Detailed Pin Configuration
The SMAJ4490CE3/TR13 typically features two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
- Transient voltage suppression
- Reverse standoff voltage protection
- Low leakage current
Advantages and Disadvantages
Advantages
- Effective protection against voltage transients
- Fast response time
- Compact size
Disadvantages
- Limited power dissipation capability
- Clamping voltage may not be suitable for all applications
Working Principles
When a transient voltage spike occurs, the SMAJ4490CE3/TR13 conducts current to ground, limiting the voltage across the protected circuit.
Detailed Application Field Plans
The SMAJ4490CE3/TR13 is commonly used in: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies
Detailed and Complete Alternative Models
Some alternative models to the SMAJ4490CE3/TR13 include: - P6KE440CA - 1.5KE440A - SA5.0CA
In conclusion, the SMAJ4490CE3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in various electronic systems.
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What is SMAJ4490CE3/TR13?
- SMAJ4490CE3/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 SMAJ4490CE3/TR13?
- The key features include a peak pulse power dissipation of 400W, low clamping voltage, fast response time, and compatibility with automated placement equipment.
In what applications can SMAJ4490CE3/TR13 be used?
- SMAJ4490CE3/TR13 is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics.
How does SMAJ4490CE3/TR13 protect electronic circuits?
- It provides protection by diverting excessive current away from sensitive components during voltage transients, thereby preventing damage to the circuitry.
What is the operating temperature range of SMAJ4490CE3/TR13?
- The operating temperature range is typically -55°C to +150°C, making it suitable for a wide range of environments.
What are the recommended soldering and handling guidelines for SMAJ4490CE3/TR13?
- It is recommended to follow standard industry practices for surface mount device soldering and handling, including proper ESD precautions.
Can SMAJ4490CE3/TR13 be used for surge protection in power supply units?
- Yes, it can be used to protect power supply units from voltage surges and spikes, safeguarding downstream components.
Does SMAJ4490CE3/TR13 comply with any industry standards?
- It may comply with standards such as IEC 61000-4-5 for surge immunity, depending on the specific application requirements.
What is the typical lifespan of SMAJ4490CE3/TR13 in continuous operation?
- The typical lifespan is determined by factors such as operating conditions and the frequency of transient events, but it is designed for long-term reliability.
Are there any recommended layout considerations when integrating SMAJ4490CE3/TR13 into a PCB design?
- It is advisable to minimize trace lengths between the device and the protected circuitry, and to ensure proper grounding and routing for effective transient suppression.