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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