1N4749A BK
Product Overview
Category:
The 1N4749A BK belongs to the category of Zener diodes.
Use:
It is commonly used for voltage regulation and voltage reference applications.
Characteristics:
- Zener voltage: 24V
- Power dissipation: 1.0W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
Package:
The 1N4749A BK is typically available in a DO-41 package.
Essence:
This Zener diode is designed to provide a stable voltage reference under specific operating conditions.
Packaging/Quantity:
The 1N4749A BK is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Zener voltage: 24V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4749A BK Zener diode has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
- Voltage regulation: The 1N4749A BK maintains a constant voltage across its terminals when operated within its specified voltage range.
- Voltage reference: It provides a stable reference voltage for various electronic circuits.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
The 1N4749A BK operates based on the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse-biased at or above its breakdown voltage.
Detailed Application Field Plans
The 1N4749A BK is widely used in: - Voltage regulators - Power supplies - Signal clamping circuits - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4749A BK include: - 1N4733A - 1N4734A - 1N4735A - 1N4736A
In conclusion, the 1N4749A BK Zener diode is a crucial component in electronic circuits requiring precise voltage regulation and reference. Its compact size and stable characteristics make it suitable for a wide range of applications.
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What is the 1N4749A BK diode used for?
- The 1N4749A BK diode is commonly used as a voltage regulator in various technical solutions.
What is the maximum voltage rating of the 1N4749A BK diode?
- The maximum voltage rating of the 1N4749A BK diode is 24V.
What is the typical current rating for the 1N4749A BK diode?
- The typical current rating for the 1N4749A BK diode is 1W.
How does the 1N4749A BK diode regulate voltage?
- The 1N4749A BK diode regulates voltage by maintaining a constant voltage drop across its terminals, regardless of changes in input voltage or load.
Can the 1N4749A BK diode be used in reverse bias?
- Yes, the 1N4749A BK diode can be used in reverse bias to protect circuits from overvoltage conditions.
What are some common applications of the 1N4749A BK diode?
- Common applications of the 1N4749A BK diode include voltage regulation in power supplies, overvoltage protection, and signal conditioning.
What is the temperature range for the 1N4749A BK diode?
- The 1N4749A BK diode typically operates within a temperature range of -65°C to +200°C.
Is the 1N4749A BK diode suitable for high-frequency applications?
- The 1N4749A BK diode is not recommended for high-frequency applications due to its inherent capacitance and response time.
What are the key specifications to consider when using the 1N4749A BK diode in a circuit?
- Key specifications to consider include forward voltage drop, maximum current, power dissipation, and temperature coefficient.
Are there any alternative diodes that can be used in place of the 1N4749A BK?
- Yes, alternatives such as the 1N4739A, 1N4750A, and 1N4748A diodes can be considered based on specific application requirements.