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1N4742 G
Product Overview
Category
The 1N4742 G is a Zener diode, which falls under the category of semiconductor devices.
Use
It is commonly used for voltage regulation and stabilization in electronic circuits.
Characteristics
- Forward Voltage: 1.2V
- Power Dissipation: 1W
- Zener Voltage: 12V
- Operating Temperature Range: -65°C to +200°C
Package
The 1N4742 G is typically available in a DO-41 package.
Packaging/Quantity
It is often sold in reels or tubes containing multiple units, with quantities varying based on supplier and customer requirements.
Specifications
- Manufacturer: Multiple manufacturers
- Part Number: 1N4742 G
- Maximum Zener Impedance: 20Ω
- Reverse Leakage Current: 5μA
- Mounting Type: Through Hole
- RoHS: Yes
Detailed Pin Configuration
The 1N4742 G has two pins, anode and cathode, with the cathode being marked by a band on the body of the diode.
Functional Features
The 1N4742 G operates as a voltage regulator, maintaining a constant output voltage across its terminals when it is operated within its specified parameters.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to overvoltage conditions
Working Principles
When the voltage across the 1N4742 G exceeds its specified Zener voltage, it begins to conduct current in the reverse direction, effectively regulating the voltage across its terminals.
Detailed Application Field Plans
The 1N4742 G finds applications in various electronic circuits, including: - Voltage regulators - Power supplies - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4742 G include: - 1N4732A - 1N4743A - BZX85C12
In conclusion, the 1N4742 G Zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and stabilization. Its compact size and wide operating temperature range make it suitable for diverse applications, although its limited power dissipation capability and sensitivity to overvoltage conditions should be considered during design and implementation.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4742 G v technických řešeních
What is the 1N4742 G diode used for?
- The 1N4742 G diode is commonly used as a voltage regulator in various technical solutions.
What is the maximum voltage rating of the 1N4742 G diode?
- The maximum voltage rating of the 1N4742 G diode is 12 volts.
What is the typical current rating for the 1N4742 G diode?
- The typical current rating for the 1N4742 G diode is 1 watt.
How does the 1N4742 G diode regulate voltage?
- The 1N4742 G diode regulates voltage by maintaining a constant voltage drop across its terminals.
Can the 1N4742 G diode be used in reverse polarity protection circuits?
- Yes, the 1N4742 G diode can be used in reverse polarity protection circuits to prevent damage from reverse voltage.
What are some common applications of the 1N4742 G diode?
- Common applications of the 1N4742 G diode include power supplies, voltage regulators, and signal conditioning circuits.
What is the forward voltage drop of the 1N4742 G diode?
- The forward voltage drop of the 1N4742 G diode is typically around 1 volt.
Is the 1N4742 G diode suitable for high-frequency applications?
- The 1N4742 G diode is not typically recommended for high-frequency applications due to its inherent capacitance and response time.
Can multiple 1N4742 G diodes be connected in series or parallel?
- Yes, multiple 1N4742 G diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current handling capacity.
Are there any temperature considerations when using the 1N4742 G diode?
- It is important to consider the temperature range in which the 1N4742 G diode will be operating, as excessive heat can affect its performance and reliability.