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1N4728UR-1
Product Overview
Category
The 1N4728UR-1 is a Zener diode, which falls under the category of semiconductor devices.
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 +175°C
- Storage temperature range: -65°C to +200°C
- Forward voltage: 1.2V
- Reverse current: 5μA
Package
The 1N4728UR-1 is typically available in bulk packaging or on tape and reel, with quantities varying based on supplier and customer requirements.
Specifications
- Zener voltage: 3.3V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Maximum reverse current: 5μA
- Operating temperature range: -65°C to +175°C
- Storage temperature range: -65°C to +200°C
Detailed Pin Configuration
The 1N4728UR-1 has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.
Functional Features
The 1N4728UR-1 provides a constant voltage output when it is operated in its breakdown region, making it suitable for voltage regulation applications.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Susceptible to damage from excessive current or voltage spikes
Working Principles
The 1N4728UR-1 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at its specified breakdown voltage.
Detailed Application Field Plans
The 1N4728UR-1 is widely used in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4728UR-1 include: - 1N4729UR-1 (4.7V Zener voltage) - 1N4730UR-1 (5.1V Zener voltage) - 1N4731UR-1 (5.6V Zener voltage)
In conclusion, the 1N4728UR-1 Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection. Its compact size and wide operating temperature range make it suitable for various applications, although care must be taken to avoid exceeding its power dissipation limits and exposing it to excessive current or voltage spikes.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4728UR-1 en soluciones técnicas
Sure, here are 10 common questions and answers related to the application of 1N4728UR-1 in technical solutions:
What is 1N4728UR-1?
- 1N4728UR-1 is a Zener diode with a voltage rating of 3.3V.
What is the typical application of 1N4728UR-1?
- The typical application of 1N4728UR-1 is as a voltage regulator or voltage reference in electronic circuits.
How does 1N4728UR-1 work as a voltage regulator?
- 1N4728UR-1 works by maintaining a constant output voltage across its terminals, even when there are variations in the input voltage or load resistance.
What are the key specifications of 1N4728UR-1?
- The key specifications include a power dissipation of 1W, a tolerance of ±5%, and a temperature coefficient of 0.05%/°C.
Can 1N4728UR-1 be used in reverse bias?
- Yes, 1N4728UR-1 can be used in reverse bias to protect the circuit from overvoltage conditions.
What are the typical operating conditions for 1N4728UR-1?
- The typical operating conditions include a maximum forward current of 76mA and a storage temperature range of -65°C to +175°C.
How can 1N4728UR-1 be mounted on a PCB?
- 1N4728UR-1 can be mounted using through-hole technology, with its cathode connected to the ground plane for proper heat dissipation.
What are the potential failure modes of 1N4728UR-1?
- Potential failure modes include thermal runaway due to excessive power dissipation and breakdown under reverse bias conditions.
Can 1N4728UR-1 be used in automotive applications?
- Yes, 1N4728UR-1 is suitable for automotive applications, provided it meets the necessary automotive standards and qualifications.
Are there any alternative components to 1N4728UR-1 with similar characteristics?
- Yes, alternatives such as 1N4728A, BZX85C3V3, and LM336Z-3.3 can be considered based on specific application requirements.
I hope these questions and answers provide a comprehensive understanding of the application of 1N4728UR-1 in technical solutions. Let me know if you need further assistance!