Taiwan Semiconductor Corporation
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1SMB5946 R5G
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1SMB5946 R5G

Product Overview

Category

The 1SMB5946 R5G belongs to the category of surface mount silicon zener diodes.

Use

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

Characteristics

  • Package: SMB (DO-214AA)
  • Essence: Silicon Zener Diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Zener (Nom) (Vz): 15V
  • Power - Max: 3W
  • Impedance (Max) (Zzt): 10 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 11V
  • Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The 1SMB5946 R5G has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation
  • Transient suppression
  • High power dissipation capability

Advantages

  • Small form factor
  • High reliability
  • Wide operating temperature range

Disadvantages

  • Limited voltage options
  • Sensitive to overvoltage conditions

Working Principles

The 1SMB5946 R5G operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This diode is widely used in various electronic circuits such as voltage regulators, surge suppressors, and overvoltage protection circuits in automotive, industrial, and consumer electronics applications.

Detailed and Complete Alternative Models

  • 1SMB5939BT3G
  • 1SMB5940BT3G
  • 1SMB5941BT3G
  • 1SMB5942BT3G

In conclusion, the 1SMB5946 R5G is a surface mount silicon zener diode with a voltage rating of 15V and a power dissipation capability of 3W. It is commonly used for voltage regulation and transient suppression in various electronic circuits, offering advantages such as small form factor and high reliability, while having limitations in terms of voltage options and sensitivity to overvoltage conditions. Its working principle is based on the Zener effect, and it finds extensive application in automotive, industrial, and consumer electronics. Additionally, alternative models such as the 1SMB5939BT3G, 1SMB5940BT3G, 1SMB5941BT3G, and 1SMB5942BT3G can be considered as substitutes for this diode.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1SMB5946 R5G v technických řešeních

  1. What is the 1SMB5946 R5G?

    • The 1SMB5946 R5G is a 3W surface mount silicon zener diode that provides voltage regulation in various technical applications.

  2. What is the maximum power dissipation of 1SMB5946 R5G?

    • The maximum power dissipation of 1SMB5946 R5G is 3 watts.

  3. What is the operating temperature range for 1SMB5946 R5G?

    • The operating temperature range for 1SMB5946 R5G is -65°C to +150°C.

  4. What is the voltage regulation range of 1SMB5946 R5G?

    • The voltage regulation range of 1SMB5946 R5G is from 51V to 56V.

  5. What are the typical applications of 1SMB5946 R5G?

    • Typical applications of 1SMB5946 R5G include voltage clamping, surge protection, and voltage regulation in electronic circuits.

  6. What is the package type of 1SMB5946 R5G?

    • The 1SMB5946 R5G comes in a DO-214AA (SMB) surface mount package.

  7. What is the reverse standoff voltage of 1SMB5946 R5G?

    • The reverse standoff voltage of 1SMB5946 R5G is typically 51V.

  8. What are the key features of 1SMB5946 R5G?

    • The key features of 1SMB5946 R5G include low leakage, fast response time, and high reliability.

  9. What are the recommended storage conditions for 1SMB5946 R5G?

    • It is recommended to store 1SMB5946 R5G in a dry environment with a temperature range of -65°C to +175°C.

  10. What are the precautions to consider when using 1SMB5946 R5G in a circuit?

    • Precautions include ensuring proper heat sinking, avoiding excessive mechanical stress, and following ESD handling procedures during installation.