1SMA4741HR3G
Product Overview
Category
The 1SMA4741HR3G belongs to the category of semiconductor devices, specifically a Zener diode.
Use
It is commonly used for voltage regulation and transient voltage suppression in electronic circuits.
Characteristics
- Voltage Regulation: Provides stable voltage output.
- Transient Voltage Suppression: Protects sensitive components from voltage spikes.
- High Power Dissipation: Capable of handling high power levels.
- Low Leakage Current: Minimizes power loss when not in use.
Package
The 1SMA4741HR3G is typically available in a surface-mount package, such as SMA or SMB.
Essence
The essence of this product lies in its ability to regulate voltage and protect electronic components from voltage transients.
Packaging/Quantity
It is commonly available in reels or tubes containing a specific quantity, typically ranging from hundreds to thousands per package.
Specifications
- Voltage Range: 6.8V to 200V
- Power Dissipation: Up to 1.5W
- Operating Temperature: -65°C to +175°C
- Zener Voltage Tolerance: ±5%
Detailed Pin Configuration
The 1SMA4741HR3G typically has two pins, with the cathode connected to the semiconductor's N-type material and the anode connected to the P-type material.
Functional Features
- Voltage Regulation: Maintains a constant voltage across the diode.
- Transient Voltage Suppression: Diverts excess voltage away from sensitive components.
- Fast Response Time: Rapidly clamps voltage spikes to protect downstream circuitry.
Advantages
- Reliability: Offers stable and predictable performance over time.
- Compact Size: Suitable for space-constrained applications.
- Wide Voltage Range: Can be used in various voltage regulation scenarios.
Disadvantages
- Power Dissipation Limitations: May require heat sinking for high-power applications.
- Reverse Leakage Current: Some leakage current may be present in reverse bias conditions.
Working Principles
The 1SMA4741HR3G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. This allows it to regulate voltage and suppress transient spikes by conducting excess current.
Detailed Application Field Plans
Voltage Regulation
In power supply circuits, the 1SMA4741HR3G can be used to stabilize the output voltage, ensuring consistent power delivery to downstream components.
Transient Protection
In communication systems, it can safeguard sensitive electronics from voltage surges induced by lightning or electromagnetic interference.
Overvoltage Protection
In automotive electronics, it can protect against voltage spikes caused by load dumps or other electrical disturbances.
Detailed and Complete Alternative Models
- 1N4728A: Similar Zener diode with a lower voltage range.
- 1N5378B: Higher power dissipation Zener diode suitable for more demanding applications.
- BZX84C6V2: SMD Zener diode with a different package style.
In conclusion, the 1SMA4741HR3G Zener diode offers reliable voltage regulation and transient voltage suppression capabilities, making it a versatile component in various electronic circuits.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 1SMA4741HR3G i tekniske løsninger
Sure, here are 10 common questions and answers related to the application of 1SMA4741HR3G in technical solutions:
What is the maximum reverse stand-off voltage of 1SMA4741HR3G?
- The maximum reverse stand-off voltage of 1SMA4741HR3G is 36V.
What is the peak pulse power dissipation of 1SMA4741HR3G?
- The peak pulse power dissipation of 1SMA4741HR3G is 400W.
What is the typical junction capacitance of 1SMA4741HR3G?
- The typical junction capacitance of 1SMA4741HR3G is 150pF.
What is the operating temperature range for 1SMA4741HR3G?
- The operating temperature range for 1SMA4741HR3G is -55°C to +150°C.
What are the typical applications for 1SMA4741HR3G?
- Typical applications for 1SMA4741HR3G include transient voltage suppression in various electronic systems such as automotive electronics, industrial equipment, and telecommunications.
What is the forward voltage drop of 1SMA4741HR3G at a specified current?
- The forward voltage drop of 1SMA4741HR3G at a specified current is typically 3.5V at 10A.
What is the package type of 1SMA4741HR3G?
- 1SMA4741HR3G is available in a DO-214AC (SMA) package.
What are the key features of 1SMA4741HR3G that make it suitable for transient voltage suppression?
- 1SMA4741HR3G offers low clamping voltage, fast response time, and high surge capability, making it ideal for transient voltage suppression.
Can 1SMA4741HR3G be used for ESD protection?
- Yes, 1SMA4741HR3G can be used for electrostatic discharge (ESD) protection in sensitive electronic circuits.
What are the recommended layout and mounting guidelines for 1SMA4741HR3G?
- It is recommended to minimize lead lengths, use short traces to the device, and provide adequate thermal relief for efficient heat dissipation.
I hope these questions and answers are helpful for your technical solutions involving 1SMA4741HR3G. Let me know if you need further assistance!