SML4729AHE3/5A

Product Overview

The SML4729AHE3/5A belongs to the category of Zener diodes and is commonly used for voltage regulation and protection in electronic circuits. This diode exhibits characteristics such as a high power dissipation capability, low leakage current, and precise voltage regulation. It is typically available in a small surface-mount package, making it suitable for compact electronic designs. The essence of the SML4729AHE3/5A lies in its ability to maintain a constant voltage across its terminals, ensuring stable operation of connected components. It is commonly packaged in reels with varying quantities to cater to different production needs.

Specifications

• Voltage Range: 3.3V to 39V
• Power Dissipation: 1.5W
• Zener Voltage Tolerance: ±5%
• Maximum Reverse Leakage Current: 5µA
• Operating Temperature Range: -65°C to +175°C
• Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SML4729AHE3/5A features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, while pin 2 is the anode.

Functional Features

• Voltage Regulation: Maintains a constant voltage across its terminals, providing stability in electronic circuits.
• Overvoltage Protection: Safeguards connected components by limiting the voltage across the circuit.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• High power dissipation capability
• Low leakage current

Disadvantages

• Limited voltage range compared to some other Zener diodes
• Sensitivity to temperature variations

Working Principles

The SML4729AHE3/5A operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

The SML4729AHE3/5A finds extensive use in various applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the SML4729AHE3/5A include: - 1N4728A: Similar voltage range and package type - BZX85C3V3: Higher voltage range and different package type - MMSZ5230B: Lower voltage range and smaller package size

In conclusion, the SML4729AHE3/5A Zener diode offers precise voltage regulation and overvoltage protection, making it a valuable component in various electronic circuits.

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