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PGSMAJ78AHR3G Encyclopedia Entry
Product Overview
Category
The PGSMAJ78AHR3G belongs to the category of semiconductor devices.
Use
It is used for voltage clamping and transient suppression in electronic circuits.
Characteristics
- Low leakage current
- Fast response time
- High surge capability
Package
The PGSMAJ78AHR3G is available in a surface mount package.
Essence
This device provides protection against voltage transients and surges in electronic circuits.
Packaging/Quantity
The PGSMAJ78AHR3G is typically packaged in reels and is available in varying quantities depending on the manufacturer.
Specifications
- Breakdown Voltage: 78V
- Peak Pulse Power Dissipation: 400W
- Operating Temperature Range: -55°C to +150°C
- Reverse Standoff Voltage: 64.1V
- Maximum Clamping Voltage: 103V
Detailed Pin Configuration
The PGSMAJ78AHR3G typically has two pins, with specific configurations based on the manufacturer's datasheet.
Functional Features
- Provides effective clamping of transient voltages
- Protects sensitive electronic components from voltage spikes
- Fast response time ensures minimal impact on circuit operation
Advantages
- High surge capability
- Low leakage current
- Compact surface mount package
Disadvantages
- Limited to specific voltage clamping range
- May require additional circuitry for comprehensive surge protection
Working Principles
The PGSMAJ78AHR3G operates by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit.
Detailed Application Field Plans
The PGSMAJ78AHR3G is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
Alternative models to the PGSMAJ78AHR3G include: - PGSMAJ series - SMAJ series - Other similar transient voltage suppressor diodes
In conclusion, the PGSMAJ78AHR3G is a vital component in protecting electronic circuits from voltage transients and surges, offering fast response times and high surge capabilities. Its compact size and low leakage current make it suitable for various applications in different industries.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PGSMAJ78AHR3G v technických řešeních
What is PGSMAJ78AHR3G?
- PGSMAJ78AHR3G is a type of transient voltage suppressor diode used to protect electronic circuits from voltage spikes and transients.
How does PGSMAJ78AHR3G work?
- PGSMAJ78AHR3G works by diverting excessive voltage away from sensitive components in a circuit, thereby protecting them from damage.
What are the typical applications of PGSMAJ78AHR3G?
- PGSMAJ78AHR3G is commonly used in power supplies, communication equipment, automotive electronics, and other systems where protection against voltage surges is necessary.
What is the maximum voltage and current rating for PGSMAJ78AHR3G?
- The maximum voltage rating for PGSMAJ78AHR3G is typically around 78V, and the maximum current rating is usually in the range of several amperes.
How do I select the right PGSMAJ78AHR3G for my application?
- The selection of PGSMAJ78AHR3G depends on the maximum voltage and current requirements of your circuit, as well as the energy handling capability needed for protection.
Are there any specific layout or mounting considerations for PGSMAJ78AHR3G?
- It's important to minimize the length of traces connecting PGSMAJ78AHR3G to the protected circuit and to ensure proper heat dissipation for optimal performance.
Can PGSMAJ78AHR3G be used for surge protection in outdoor environments?
- Yes, PGSMAJ78AHR3G is suitable for outdoor applications, but it's important to consider environmental factors such as temperature, humidity, and exposure to elements.
What are the failure modes of PGSMAJ78AHR3G?
- PGSMAJ78AHR3G can fail due to prolonged exposure to overvoltage conditions, excessive current, or thermal stress. It's important to monitor and replace them if necessary.
Are there any alternatives to PGSMAJ78AHR3G for transient voltage suppression?
- Yes, there are other types of transient voltage suppressors such as metal oxide varistors (MOVs) and silicon avalanche diodes (SADs) that can be used as alternatives.
Where can I purchase PGSMAJ78AHR3G for my technical solution?
- PGSMAJ78AHR3G can be purchased from electronic component distributors, online retailers, or directly from manufacturers. It's important to ensure the authenticity and quality of the components when purchasing.