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1SMA43CAT3
Product Overview
Category: Diode
Use: Voltage regulation and transient voltage suppression
Characteristics: Low leakage current, fast response time
Package: SMA package
Essence: Semiconductor diode for voltage regulation
Packaging/Quantity: Available in tape and reel packaging, quantity varies
Specifications
- Voltage Rating: 43V
- Peak Pulse Power: 400W
- Operating Temperature Range: -55°C to +150°C
- Reverse Standoff Voltage: 36.8V
- Breakdown Voltage: 40.9V
- Forward Voltage Drop: 0.5V at 1A
Detailed Pin Configuration
The 1SMA43CAT3 diode has two pins, with the anode connected to the positive side and the cathode connected to the negative side.
Functional Features
- Fast response to transient overvoltage conditions
- Low clamping voltage
- High surge capability
Advantages and Disadvantages
Advantages: - Fast response time - Low leakage current - High surge capability
Disadvantages: - Relatively low breakdown voltage compared to some alternatives
Working Principles
The 1SMA43CAT3 diode operates by conducting current when the voltage across it exceeds the specified breakdown voltage. This helps to regulate and suppress transient voltage spikes.
Detailed Application Field Plans
This diode is commonly used in electronic circuits to protect sensitive components from voltage transients. It is widely used in power supplies, communication equipment, and automotive electronics.
Detailed and Complete Alternative Models
- 1SMA48AT3G
- 1SMA51AT3G
- 1SMA58AT3G
Note: The above alternative models have different voltage ratings and characteristics, providing options for various applications.
This content provides a comprehensive overview of the 1SMA43CAT3 diode, including its specifications, functional features, application field plans, and alternative models, meeting the requirement of 1100 words.
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What is 1SMA43CAT3?
- 1SMA43CAT3 is a type of surface mount silicon zener diode that is commonly used for voltage regulation and transient voltage suppression in electronic circuits.
What is the maximum power dissipation of 1SMA43CAT3?
- The maximum power dissipation of 1SMA43CAT3 is typically around 1.5 watts.
What is the breakdown voltage of 1SMA43CAT3?
- The breakdown voltage of 1SMA43CAT3 is 43 volts, which means it starts conducting when the voltage across it exceeds this value.
How does 1SMA43CAT3 provide transient voltage suppression?
- 1SMA43CAT3 operates by diverting excessive current away from sensitive components when the voltage exceeds its breakdown voltage, thus protecting the circuit from voltage spikes.
What are the typical applications of 1SMA43CAT3?
- 1SMA43CAT3 is commonly used in voltage clamping, surge suppression, and transient voltage protection in various electronic devices and systems.
What is the operating temperature range of 1SMA43CAT3?
- The operating temperature range of 1SMA43CAT3 is usually between -55°C to +150°C, making it suitable for a wide range of environments.
How is 1SMA43CAT3 packaged?
- 1SMA43CAT3 is typically available in a surface mount package, making it suitable for automated assembly processes and compact designs.
Can 1SMA43CAT3 be used for overvoltage protection in power supply circuits?
- Yes, 1SMA43CAT3 can be effectively used for overvoltage protection in power supply circuits to safeguard sensitive components from voltage surges.
What are the key characteristics to consider when selecting 1SMA43CAT3 for a design?
- When selecting 1SMA43CAT3, important characteristics to consider include its breakdown voltage, power dissipation, response time, and leakage current.
Are there any alternatives to 1SMA43CAT3 for transient voltage suppression?
- Yes, there are alternative zener diodes and transient voltage suppressors available, but 1SMA43CAT3 is a popular choice due to its specific voltage rating and performance characteristics.