1SMA4737HR3G

Product Overview

Category

The 1SMA4737HR3G belongs to the category of Zener diodes.

Use

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

Characteristics

• Zener voltage: 8.2V
• Power dissipation: 1.5W
• Package type: DO-214AC (SMA)
• RoHS compliant

Package

The 1SMA4737HR3G is available in a DO-214AC package, which is also known as SMA package.

Essence

This Zener diode serves as a crucial component in maintaining stable voltage levels within electronic circuits.

Packaging/Quantity

The 1SMA4737HR3G is typically available in reels with a quantity of 3000 units per reel.

Specifications

• Zener voltage: 8.2V
• Power dissipation: 1.5W
• Forward voltage: 1.2V
• Reverse current: 5μA
• Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4737HR3G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

• Precise voltage regulation
• Overvoltage protection
• Low reverse leakage current

Advantages

• High reliability
• Compact size
• Wide operating temperature range

Disadvantages

• Limited power dissipation capability
• Sensitive to temperature variations

Working Principles

The 1SMA4737HR3G operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in: - Voltage regulators - Surge suppressors - Overvoltage protection circuits - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4737HR3G include: - 1N4737A - BZX55C8V2 - MMSZ5232B

In conclusion, the 1SMA4737HR3G Zener diode is a vital component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and wide operating temperature range make it suitable for various applications in the electronics industry.

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