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1N4728A TR
Product Overview
Category
The 1N4728A TR belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 3.3V
- Power dissipation: 1.0W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
Packaging/Quantity
The 1N4728A TR is typically available in tape and reel packaging with quantities varying based on manufacturer specifications.
Specifications
- Zener voltage: 3.3V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4728A TR has a standard DO-41 package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.
Functional Features
- Precise voltage regulation
- Overvoltage protection
- Stable operation over a wide temperature range
Advantages
- Reliable voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature variations
Working Principles
The 1N4728A TR operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased at or above its breakdown voltage.
Detailed Application Field Plans
The 1N4728A TR is widely used in: - Voltage regulators - Power supplies - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4728A TR include: - 1N4727A (3.0V) - 1N4729A (3.6V) - BZX55C3V3 (3.3V)
In conclusion, the 1N4728A TR Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and stable operation make it suitable for various applications in the field of electronics.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4728A TR en soluciones técnicas
Sure, here are 10 common questions and answers related to the application of 1N4728A TR:
What is the 1N4728A TR?
- The 1N4728A TR is a Zener diode with a voltage rating of 3.3V.
What is the typical application of the 1N4728A TR?
- The 1N4728A TR is commonly used as a voltage regulator in electronic circuits to maintain a stable voltage across a load.
What is the maximum power dissipation of the 1N4728A TR?
- The maximum power dissipation of the 1N4728A TR is 1.0W.
What is the operating temperature range of the 1N4728A TR?
- The operating temperature range of the 1N4728A TR is -65°C to +200°C.
How does the 1N4728A TR behave in reverse bias?
- The 1N4728A TR behaves as a normal diode in reverse bias until the breakdown voltage is reached, at which point it conducts heavily to maintain a constant voltage drop.
Can the 1N4728A TR be used for overvoltage protection?
- Yes, the 1N4728A TR can be used for overvoltage protection by shunting excess voltage to ground once the breakdown voltage is reached.
What are the typical applications where the 1N4728A TR is not suitable?
- The 1N4728A TR is not suitable for applications requiring higher voltage regulation or power dissipation.
What are the key parameters to consider when designing with the 1N4728A TR?
- Key parameters to consider include the maximum power dissipation, voltage regulation accuracy, and operating temperature range.
Can multiple 1N4728A TRs be connected in series or parallel?
- Multiple 1N4728A TRs can be connected in series to achieve higher breakdown voltages, but connecting them in parallel is not recommended due to unequal current sharing.
Are there any specific layout considerations when using the 1N4728A TR?
- It's important to minimize lead lengths and ensure proper heat sinking to maintain the 1N4728A TR within its operating temperature range.
I hope these questions and answers provide the information you were looking for! If you have any more questions, feel free to ask.