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1N4474 TR
Product Overview
Category
The 1N4474 TR is a semiconductor diode belonging to the category of rectifier diodes.
Use
It is commonly used in electronic circuits for rectification purposes, converting alternating current (AC) to direct current (DC).
Characteristics
- Forward Voltage: 1V
- Reverse Voltage: 200V
- Forward Current: 1A
- Reverse Recovery Time: 50ns
Package
The 1N4474 TR is typically available in a DO-41 package, which is a cylindrical axial-lead package.
Packaging/Quantity
It is usually supplied in reels or bulk packaging, with quantities varying based on manufacturer specifications.
Specifications
- Forward Voltage Drop: 1V
- Reverse Voltage: 200V
- Maximum Continuous Forward Current: 1A
- Peak Reverse Voltage: 200V
- Reverse Recovery Time: 50ns
Detailed Pin Configuration
The 1N4474 TR has two pins, anode and cathode. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.
Functional Features
The 1N4474 TR functions as a rectifier diode, allowing current to flow in only one direction, effectively converting AC to DC.
Advantages and Disadvantages
Advantages
- Low forward voltage drop
- Fast reverse recovery time
- High surge current capability
Disadvantages
- Relatively high leakage current
- Limited reverse voltage rating
Working Principles
When a positive voltage is applied to the anode with respect to the cathode, the diode conducts and allows current to flow. Conversely, when the voltage is reversed, the diode blocks the current flow.
Detailed Application Field Plans
The 1N4474 TR is widely used in power supply circuits, battery chargers, and voltage regulators due to its rectification capabilities. It is also employed in various electronic devices where conversion from AC to DC is required.
Detailed and Complete Alternative Models
Some alternative models to the 1N4474 TR include: - 1N4001 - 1N4002 - 1N4003 - 1N4004
These diodes share similar characteristics and are often interchangeable based on specific application requirements.
In conclusion, the 1N4474 TR is a versatile rectifier diode with applications across various electronic circuits and devices, offering efficient conversion from AC to DC.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de 1N4474 TR em soluções técnicas
What is the 1N4474 TR diode used for?
- The 1N4474 TR diode is commonly used for rectification and voltage regulation in electronic circuits.
What are the key specifications of the 1N4474 TR diode?
- The 1N4474 TR diode typically has a maximum repetitive reverse voltage of 200 volts, a forward current of 3 amperes, and a forward voltage drop of around 1 volt.
Can the 1N4474 TR diode be used for high-frequency applications?
- No, the 1N4474 TR diode is not suitable for high-frequency applications due to its relatively slow recovery time.
How does the 1N4474 TR diode perform in temperature extremes?
- The 1N4474 TR diode has a wide operating temperature range, making it suitable for use in both high-temperature and low-temperature environments.
What are some common circuit configurations where the 1N4474 TR diode is used?
- The 1N4474 TR diode is often used in bridge rectifiers, voltage multipliers, and power supply circuits.
Does the 1N4474 TR diode require a heat sink for certain applications?
- Yes, in high-power applications, the 1N4474 TR diode may require a heat sink to dissipate excess heat and ensure reliable operation.
Is the 1N4474 TR diode suitable for automotive applications?
- Yes, the 1N4474 TR diode can be used in automotive electronics for tasks such as voltage regulation and battery charging.
What are the typical failure modes of the 1N4474 TR diode?
- Common failure modes include overvoltage breakdown, thermal overstress, and excessive reverse current leading to junction failure.
Can the 1N4474 TR diode be used in parallel to increase current handling capacity?
- Yes, multiple 1N4474 TR diodes can be connected in parallel to share the current load and increase overall current handling capacity.
Are there any important considerations for PCB layout when using the 1N4474 TR diode?
- It's important to minimize the length of traces carrying high currents, provide adequate thermal relief for solder connections, and ensure proper spacing for heat dissipation.