1SMA4757HM2G

Product Overview

Category

The 1SMA4757HM2G belongs to the category of semiconductor devices, specifically a Zener diode.

Use

It is commonly used for voltage regulation and transient voltage suppression in electronic circuits.

Characteristics

• Voltage Regulation: Provides stable voltage output under varying load conditions.
• Transient Voltage Suppression: Protects sensitive components from voltage spikes.
• High Power Dissipation: Capable of handling high power dissipation.

Package

The 1SMA4757HM2G is typically available in a surface mount SMA package.

Essence

The essence of this product lies in its ability to regulate voltage and protect electronic components from voltage transients.

Packaging/Quantity

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

Specifications

• Voltage: 30V
• Power Dissipation: 1.5W
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4757HM2G has two pins, with the anode and cathode connections clearly labeled.

Functional Features

• Voltage Regulation: Maintains a constant voltage across the device.
• Transient Voltage Suppression: Quickly clamps excessive voltage spikes to protect downstream components.
• Fast Response Time: Rapidly responds to changes in input voltage.

Advantages

• Reliability: Offers consistent performance over a wide range of operating conditions.
• Compact Size: Suitable for space-constrained applications.
• High Power Handling: Capable of dissipating significant power without degradation.

Disadvantages

• Reverse Leakage Current: May exhibit higher reverse leakage current compared to other voltage regulation devices.
• Temperature Sensitivity: Performance may be affected by temperature variations.

Working Principles

The 1SMA4757HM2G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when operated in the reverse breakdown region.

Detailed Application Field Plans

This Zener diode finds extensive use in various applications, including: - Voltage Regulation: Stabilizing voltage in power supplies and voltage references. - Transient Voltage Suppression: Protecting sensitive electronics from voltage surges in automotive and industrial systems. - Clamping Circuits: Limiting voltage levels in communication and signal processing circuits.

Detailed and Complete Alternative Models

• 1N4744A: A similar Zener diode with a slightly lower voltage rating.
• 1N5913B: Offers comparable voltage regulation capabilities in a different package format.

In conclusion, the 1SMA4757HM2G Zener diode provides reliable voltage regulation and transient voltage suppression, making it a crucial component in various electronic circuits.

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