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1N4474 BK - Diode
Overview
Product Information
- Category: Diode
- Use: Rectification, voltage regulation
- Characteristics: High current capability, low forward voltage drop
- Package: Axial leaded
- Essence: Semiconductor device for electrical rectification
- Packaging/Quantity: Bulk packaging, quantity varies
Specifications
- Type: Silicon rectifier diode
- Voltage Rating: 40V
- Current Rating: 1A
- Forward Voltage Drop: 0.7V
- Reverse Recovery Time: 2μs
- Operating Temperature Range: -65°C to +175°C
Detailed Pin Configuration
The 1N4474 BK diode has an axial leaded package with two leads. The cathode is marked with a band on the body of the diode.
Functional Features
- Efficient rectification of AC to DC
- Low forward voltage drop minimizes power loss
- Fast reverse recovery time for high-speed switching applications
Advantages and Disadvantages
Advantages
- High current capability
- Low forward voltage drop
- Fast reverse recovery time
Disadvantages
- Limited voltage and current ratings compared to other diodes
- Sensitivity to temperature variations
Working Principles
The 1N4474 BK diode operates based on the principle of semiconductor junction behavior. When forward biased, it allows current flow, while in reverse bias, it blocks the current flow.
Detailed Application Field Plans
Power Supplies
The diode can be used in power supply circuits for rectification and voltage regulation due to its low forward voltage drop and high current capability.
Switching Circuits
Its fast reverse recovery time makes it suitable for use in high-speed switching circuits such as inverter and converter applications.
Automotive Electronics
Due to its temperature range and current handling capabilities, it finds application in automotive electronics for rectification and voltage regulation.
Detailed and Complete Alternative Models
- 1N4001: Similar voltage and current ratings
- 1N5819: Schottky diode with lower forward voltage drop
- 1N5408: Higher voltage and current rating
This comprehensive entry provides detailed information about the 1N4474 BK diode, including its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
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What is the maximum voltage rating of 1N4474 BK?
- The maximum voltage rating of 1N4474 BK is 1000V.
What is the maximum forward current of 1N4474 BK?
- The maximum forward current of 1N4474 BK is 3A.
What is the typical junction capacitance of 1N4474 BK?
- The typical junction capacitance of 1N4474 BK is 30pF.
What are the typical applications of 1N4474 BK?
- 1N4474 BK is commonly used in rectifier and power supply circuits, as well as in general-purpose switching applications.
What is the reverse recovery time of 1N4474 BK?
- The reverse recovery time of 1N4474 BK is typically 500ns.
Is 1N4474 BK suitable for high-frequency applications?
- Yes, 1N4474 BK can be used in moderate to high-frequency applications due to its relatively fast reverse recovery time.
What is the operating temperature range of 1N4474 BK?
- The operating temperature range of 1N4474 BK is -65°C to +175°C.
Can 1N4474 BK be used in snubber circuits?
- Yes, 1N4474 BK is suitable for use in snubber circuits to suppress voltage spikes and transients.
Does 1N4474 BK require a heatsink for certain applications?
- Depending on the specific application and power dissipation, a heatsink may be required for 1N4474 BK to ensure proper thermal management.
Are there any recommended alternative components to 1N4474 BK for similar applications?
- Some alternative components to consider for similar applications include 1N4007, 1N5408, and UF4007 diodes. Always verify compatibility and specifications before substitution.