SZMMSZ4690ET1G

Product Overview

• Category: Diode
• Use: Voltage regulation and protection
• Characteristics: Low forward voltage drop, high surge capability
• Package: SOD-123
• Essence: Zener diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Zener (Nom) (Vz): 3.6V
• Power - Max: 1W
• Impedance (Max) (Zzt): 20 Ohm
• Current - Reverse Leakage @ Vr: 100nA
• Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The SZMMSZ4690ET1G is a SOD-123 packaged diode with two pins. The anode is connected to pin 1, and the cathode is connected to pin 2.

Functional Features

• Voltage Regulation: Maintains a constant output voltage under varying load conditions.
• Overvoltage Protection: Safeguards sensitive components by diverting excess voltage away from the circuit.
• High Surge Capability: Can withstand short-duration overvoltage events without damage.

Advantages and Disadvantages

Advantages

• Low forward voltage drop reduces power dissipation.
• Small form factor allows for space-efficient designs.
• High surge capability enhances reliability in harsh environments.

Disadvantages

• Limited current handling capacity compared to larger diode packages.
• Sensitive to temperature variations, requiring careful thermal management.

Working Principles

The SZMMSZ4690ET1G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. This allows it to regulate voltage and protect downstream components from overvoltage conditions.

Detailed Application Field Plans

The SZMMSZ4690ET1G is commonly used in various electronic circuits, including: - Voltage regulators in power supplies - Overvoltage protection in communication equipment - Signal conditioning in sensor interfaces

Detailed and Complete Alternative Models

• BZX84C3V6LT1G: Similar SOD-123 packaged Zener diode with a nominal voltage of 3.6V
• MM3Z3V6ST1G: SOD-123 packaged Zener diode with a nominal voltage of 3.6V and similar characteristics

In conclusion, the SZMMSZ4690ET1G is a versatile Zener diode offering voltage regulation and overvoltage protection in a compact SOD-123 package. Its low forward voltage drop and high surge capability make it suitable for a wide range of applications, despite its limitations in current handling and sensitivity to temperature. When considering alternatives, the BZX84C3V6LT1G and MM3Z3V6ST1G provide similar functionality in the same package format.

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