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1N4748 G
Product Overview
Category
The 1N4748 G 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
- Voltage: 22V
- Power Dissipation: 1.3W
- Package Type: DO-41
- Operating Temperature Range: -65°C to +200°C
- Zener Impedance: 5Ω
Package
The 1N4748 G is typically available in bulk packaging or reels, with varying quantities depending on the supplier.
Specifications
- Voltage: 22V
- Power Dissipation: 1.3W
- Zener Voltage Tolerance: ±5%
- Maximum Reverse Leakage Current: 5μA
- Operating Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4748 G Zener diode has two pins, anode, and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.
Functional Features
The 1N4748 G Zener diode operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in the input voltage.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Protection against voltage spikes
- Compact size
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
When the voltage across the Zener diode reaches its specified breakdown voltage, it starts conducting in the reverse direction, effectively regulating the voltage across its terminals.
Detailed Application Field Plans
The 1N4748 G Zener diode finds applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4748 G Zener diode include: - 1N4730A (3.9V) - 1N4731A (4.3V) - 1N4732A (4.7V) - 1N4733A (5.1V)
In conclusion, the 1N4748 G Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection against voltage spikes. Its compact size and functional features make it suitable for a wide range of applications, although it does have limitations in terms of power dissipation and temperature sensitivity. Understanding its specifications, pin configuration, and alternatives is essential for effective utilization in electronic designs.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4748 G v technických řešeních
Sure, here are 10 common questions and answers related to the application of 1N4748 G in technical solutions:
What is 1N4748 G?
- 1N4748 G is a popular Zener diode with a voltage rating of 22V.
What is the typical application of 1N4748 G?
- The 1N4748 G is commonly used as a voltage regulator or voltage reference in various electronic circuits.
What is the maximum power dissipation of 1N4748 G?
- The maximum power dissipation of 1N4748 G is 1.3W.
What is the operating temperature range of 1N4748 G?
- The operating temperature range of 1N4748 G is typically -65°C to +200°C.
What is the tolerance of the voltage output for 1N4748 G?
- The tolerance of the voltage output for 1N4748 G is typically ±5%.
Can 1N4748 G be used in reverse bias?
- Yes, 1N4748 G can be used in reverse bias as a voltage reference.
What are the typical package types for 1N4748 G?
- The typical package types for 1N4748 G include DO-41 and SOD-123.
Is 1N4748 G suitable for high-frequency applications?
- No, 1N4748 G is not suitable for high-frequency applications due to its inherent limitations.
What are the key considerations when designing with 1N4748 G?
- Key considerations include thermal management, current limiting, and voltage derating to ensure reliable operation.
Are there any common alternatives to 1N4748 G?
- Yes, common alternatives to 1N4748 G include other Zener diodes with similar voltage ratings such as 1N4739 G, 1N4742 G, and 1N4745 G.