JAN1N4126-1

Product Category

The JAN1N4126-1 belongs to the category of semiconductor devices, specifically as a Zener diode.

Basic Information Overview

Use

The JAN1N4126-1 Zener diode is primarily used for voltage regulation and protection in electronic circuits. It allows current to flow in the forward direction like a normal diode, but also permits it to flow in the reverse direction when the voltage is above a certain value.

Characteristics

• Voltage Regulation: The JAN1N4126-1 provides stable voltage output under varying load conditions.
• Protection: It safeguards sensitive components in a circuit by limiting the voltage across them.
• Stability: It offers consistent performance over a wide range of operating conditions.

Package

The JAN1N4126-1 is typically available in a glass axial-lead package, providing mechanical robustness and ease of mounting on circuit boards.

Essence

The essence of the JAN1N4126-1 lies in its ability to maintain a constant voltage across a load despite variations in input voltage or load resistance.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage Range: 3.9V to 4.3V
• Power Dissipation: 500mW
• Operating Temperature Range: -65°C to 200°C
• Zener Impedance: 10Ω
• Maximum Reverse Leakage Current: 5μA

Detailed Pin Configuration

The JAN1N4126-1 Zener diode typically has two leads, with the cathode being shorter than the anode. The pin configuration is as follows: - Anode (A) - Longer lead - Cathode (K) - Shorter lead

Functional Features

• Voltage Regulation: The JAN1N4126-1 maintains a constant voltage drop across its terminals, ensuring stability in the circuit it is integrated into.
• Reverse Voltage Protection: It prevents excessive voltage from damaging sensitive components by allowing current to flow in the reverse direction at a specific voltage threshold.

Advantages and Disadvantages

Advantages

• Precise Voltage Regulation
• Overvoltage Protection
• Wide Operating Temperature Range

Disadvantages

• Limited Power Dissipation Capability
• Sensitivity to Temperature Variations

Working Principles

The working principle of the JAN1N4126-1 Zener diode is based on the Zener breakdown phenomenon, where it begins conducting in the reverse-biased direction once the voltage across its terminals exceeds the specified Zener voltage.

Detailed Application Field Plans

The JAN1N4126-1 finds application in various electronic circuits, including: - Voltage Regulators - Overvoltage Protection Circuits - Signal Clipping Circuits - Voltage References

Detailed and Complete Alternative Models

Some alternative models to the JAN1N4126-1 Zener diode include: - 1N4732A - BZX55C3V9 - LM336Z-2.5

In conclusion, the JAN1N4126-1 Zener diode serves as a crucial component in electronic circuits, providing stable voltage regulation and protection. Its characteristics, specifications, and application field plans make it a versatile choice for various design requirements.

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