Littelfuse Inc.
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SMBJ70CA-HR
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SMBJ70CA-HR

Product Overview

Category: Electronic Component
Use: Voltage Suppression
Characteristics: High reliability, fast response time
Package: DO-214AB
Essence: Transient Voltage Suppressor (TVS) diode
Packaging/Quantity: Tape & Reel, 3000 units

Specifications

  • Voltage - Reverse Standoff (Typ): 70V
  • Voltage - Breakdown (Min): 77.8V
  • Voltage - Clamping (Max) @ Ipp: 113V
  • Current - Peak Pulse (10/1000µs): 9.2A
  • Power - Peak Pulse: 600W
  • Type: Zener

Detailed Pin Configuration

The SMBJ70CA-HR has two pins, with the cathode connected to the ground and the anode connected to the input voltage.

Functional Features

  • Fast response time
  • High reliability
  • Low clamping voltage
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Provides effective protection against transient overvoltage conditions - Fast reaction to transient voltage spikes - Suitable for high-density circuit board applications

Disadvantages: - Limited power dissipation capability - May require additional components for comprehensive surge protection

Working Principles

The SMBJ70CA-HR operates by diverting excessive current away from sensitive electronic components when a transient voltage spike occurs. It achieves this by rapidly switching into a low-impedance state, effectively clamping the voltage to a safe level.

Detailed Application Field Plans

The SMBJ70CA-HR is commonly used in various electronic systems, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  1. P6KE68CA: Similar specifications and package type
  2. 1.5KE75CA: Higher power dissipation capability
  3. SMBJ78CA: Smaller package size

In conclusion, the SMBJ70CA-HR is a reliable and efficient TVS diode that provides essential protection against transient voltage spikes in a wide range of electronic applications.

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기술 솔루션에 SMBJ70CA-HR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the SMBJ70CA-HR?

    • The SMBJ70CA-HR is a high-reliability, surface mount transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum peak pulse power of the SMBJ70CA-HR?

    • The maximum peak pulse power of the SMBJ70CA-HR is 600 watts for an 8/20µs waveform.

  3. What is the breakdown voltage of the SMBJ70CA-HR?

    • The breakdown voltage of the SMBJ70CA-HR is 77.8V.

  4. What are the typical applications of the SMBJ70CA-HR?

    • Typical applications of the SMBJ70CA-HR include protection of telecommunications equipment, industrial controls, consumer electronics, and automotive systems from voltage transients.

  5. What is the operating temperature range of the SMBJ70CA-HR?

    • The SMBJ70CA-HR has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ70CA-HR?

    • The response time of the SMBJ70CA-HR is less than 1 picosecond.

  7. Does the SMBJ70CA-HR meet any specific industry standards?

    • Yes, the SMBJ70CA-HR meets the requirements of the IEC 61000-4-2 (ESD) and IEC 61000-4-5 (Surge) standards.

  8. What is the package type of the SMBJ70CA-HR?

    • The SMBJ70CA-HR is available in a DO-214AA (SMB) package.

  9. Can the SMBJ70CA-HR be used in high-reliability applications?

    • Yes, the "HR" designation indicates that the SMBJ70CA-HR is specifically designed for high-reliability applications.

  10. Is the SMBJ70CA-HR RoHS compliant?

    • Yes, the SMBJ70CA-HR is RoHS compliant, making it suitable for use in environmentally sensitive applications.