ON Semiconductor
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SZMMSZ4690T1G
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SZMMSZ4690T1G

Product Overview

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

Specifications

  • Forward Voltage Drop: 0.35V at 1A
  • Reverse Standoff Voltage: 40V
  • Peak Pulse Current: 5.6A
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The SZMMSZ4690T1G has two pins in the SOD-123 package. The anode is connected to pin 1, and the cathode is connected to pin 2.

Functional Features

  • Low forward voltage drop ensures minimal power loss
  • High surge capability provides robust protection against transient events
  • Fast switching speed for efficient voltage regulation

Advantages and Disadvantages

Advantages: - Low power dissipation - Fast response time - Compact package size

Disadvantages: - Lower maximum current compared to some alternatives - Limited reverse voltage rating

Working Principles

The SZMMSZ4690T1G operates based on the Schottky diode principle, utilizing a metal-semiconductor junction to achieve low forward voltage drop and fast switching characteristics. When forward biased, it allows current flow with minimal voltage drop, making it suitable for voltage regulation and protection applications.

Detailed Application Field Plans

This diode is commonly used in: - Power supply circuits - Voltage clamping and protection circuits - Reverse polarity protection

Detailed and Complete Alternative Models

  • 1N5819: Similar forward voltage drop and package, higher reverse voltage rating
  • SS14: Slightly lower forward voltage drop, smaller package size
  • SB140: Higher peak pulse current, larger package size

In conclusion, the SZMMSZ4690T1G is a versatile Schottky diode suitable for various voltage regulation and protection applications, offering a balance of low forward voltage drop and high surge capability. Its compact package and efficient operation make it a popular choice in modern electronic designs.

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  1. What is SZMMSZ4690T1G?

    • SZMMSZ4690T1G is a dual Zener diode designed for voltage regulation and transient overvoltage protection in a wide range of applications.

  2. What are the typical applications of SZMMSZ4690T1G?

    • SZMMSZ4690T1G is commonly used in power supplies, voltage regulators, surge protectors, and other electronic circuits requiring voltage clamping or regulation.

  3. What is the maximum power dissipation of SZMMSZ4690T1G?

    • The maximum power dissipation of SZMMSZ4690T1G is typically 200mW.

  4. What is the voltage range of SZMMSZ4690T1G?

    • SZMMSZ4690T1G has a voltage range of 3.3V to 39V.

  5. How does SZMMSZ4690T1G provide overvoltage protection?

    • SZMMSZ4690T1G provides overvoltage protection by shunting excess current when the voltage exceeds its breakdown voltage.

  6. Can SZMMSZ4690T1G be used in automotive applications?

    • Yes, SZMMSZ4690T1G is suitable for automotive applications due to its ability to protect sensitive components from voltage transients.

  7. What is the operating temperature range of SZMMSZ4690T1G?

    • The operating temperature range of SZMMSZ4690T1G is typically -55°C to 150°C.

  8. Does SZMMSZ4690T1G require external components for operation?

    • SZMMSZ4690T1G can be used independently but may benefit from external resistors for specific applications.

  9. Is SZMMSZ4690T1G RoHS compliant?

    • Yes, SZMMSZ4690T1G is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. What are the package options available for SZMMSZ4690T1G?

    • SZMMSZ4690T1G is available in various surface mount packages such as SOD-123 and SOT-23, offering flexibility in design and assembly.