1N4730A-TR
Product Overview
The 1N4730A-TR is a semiconductor device belonging to the category of Zener diodes. It is commonly used for voltage regulation and stabilization in electronic circuits. The device exhibits characteristics such as precise voltage regulation, high reliability, and low impedance. It is typically packaged in a small, cylindrical glass package with axial leads, and is available in various packaging quantities.
Specifications
- Voltage: 3.9V
- Power Dissipation: 1.0W
- Zener Impedance: 10Ω
- Operating Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4730A-TR features a standard axial lead configuration with two leads, one connected to the anode and the other to the cathode.
Functional Features
The primary function of the 1N4730A-TR is to maintain a constant voltage across its terminals, even when subjected to variations in current and input voltage. This makes it suitable for applications requiring stable voltage references.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- High reliability
- Low impedance
Disadvantages
- Limited power dissipation capability
- Susceptible to thermal runaway under certain conditions
Working Principles
The 1N4730A-TR operates based on the principle of the Zener effect, which causes it to conduct in the reverse direction once the voltage across its terminals exceeds the specified breakdown voltage.
Detailed Application Field Plans
The 1N4730A-TR finds extensive use in various electronic circuits, including: - Voltage regulators - Power supplies - Signal clamping circuits - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4730A-TR include: - 1N4728A-TR (3.3V) - 1N4729A-TR (3.6V) - 1N4731A-TR (4.3V)
In summary, the 1N4730A-TR Zener diode offers precise voltage regulation and high reliability, making it a popular choice for a wide range of electronic applications. However, its limited power dissipation capability and susceptibility to thermal runaway should be considered when selecting it for specific designs.
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