Littelfuse Inc.
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SZ1SMB43CAT3G
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SZ1SMB43CAT3G

Product Overview

  • Category: Diode
  • Use: Voltage suppression in electronic circuits
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: SMB (DO-214AA)
  • Essence: Transient Voltage Suppressor (TVS) diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Peak Pulse Power: 1.5 kW
  • Breakdown Voltage: 36.8 V
  • Clamping Voltage: 58.9 V
  • Maximum Reverse Leakage Current: 1 µA
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SZ1SMB43CAT3G has two pins, with the anode connected to pin 1 and the cathode connected to pin 2.

Functional Features

  • Provides protection against transient voltage events
  • Fast response time ensures minimal damage to sensitive components
  • High surge capability for reliable performance in harsh environments

Advantages and Disadvantages

Advantages

  • High surge capability
  • Low clamping voltage
  • Fast response time

Disadvantages

  • Limited breakdown voltage compared to some alternatives
  • Relatively high reverse leakage current

Working Principles

When a transient voltage spike occurs, the SZ1SMB43CAT3G conducts and clamps the voltage to a safe level, protecting downstream components from damage.

Detailed Application Field Plans

The SZ1SMB43CAT3G is commonly used in: - Power supplies - Communication systems - Automotive electronics - Industrial equipment

Detailed and Complete Alternative Models

  • Alternative Model 1: P6SMB36CA
    • Category: Diode
    • Use: Voltage suppression
    • Characteristics: High surge capability, low clamping voltage
  • Alternative Model 2: SMAJ36A
    • Category: Diode
    • Use: Transient voltage suppression
    • Characteristics: Fast response time, low leakage current

In conclusion, the SZ1SMB43CAT3G is a reliable TVS diode that offers high surge capability and fast response time, making it suitable for various applications requiring transient voltage protection.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SZ1SMB43CAT3G v technických řešeních

  1. What is the maximum reverse voltage of SZ1SMB43CAT3G?

    • The maximum reverse voltage of SZ1SMB43CAT3G is 43V.

  2. What is the typical junction capacitance of SZ1SMB43CAT3G?

    • The typical junction capacitance of SZ1SMB43CAT3G is 150pF.

  3. What is the peak pulse power dissipation of SZ1SMB43CAT3G?

    • The peak pulse power dissipation of SZ1SMB43CAT3G is 600W.

  4. What is the operating temperature range for SZ1SMB43CAT3G?

    • The operating temperature range for SZ1SMB43CAT3G is -55°C to +150°C.

  5. What are the typical applications for SZ1SMB43CAT3G?

    • SZ1SMB43CAT3G is commonly used in transient voltage suppression (TVS) applications, such as in protection circuits for sensitive electronics.

  6. What is the package type of SZ1SMB43CAT3G?

    • SZ1SMB43CAT3G comes in a SMB (DO-214AA) package.

  7. What is the forward voltage drop of SZ1SMB43CAT3G?

    • The forward voltage drop of SZ1SMB43CAT3G is typically 0.9V at 10A.

  8. What is the clamping voltage of SZ1SMB43CAT3G?

    • The clamping voltage of SZ1SMB43CAT3G is 77.4V at 10A.

  9. What are the key features of SZ1SMB43CAT3G?

    • SZ1SMB43CAT3G features high surge capability, low profile package, and excellent clamping capability.

  10. What are some best practices for using SZ1SMB43CAT3G in technical solutions?

    • Ensure proper heat sinking, follow recommended PCB layout guidelines, and consider the transient energy and power handling requirements of the application.