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SMAJ45A-QH
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SMAJ45A-QH

Product Overview

Category

The SMAJ45A-QH belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic devices from voltage transients induced by lightning, power switching, and electrostatic discharge.

Characteristics

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

Package

The SMAJ45A-QH is available in a DO-214AC (SMA) package.

Essence

The essence of the SMAJ45A-QH lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMAJ45A-QH is typically packaged in reels or trays and is available in quantities suitable for both prototyping and production purposes.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 45V
  • Maximum Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ45A-QH has two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Transient voltage suppression
  • Reverse standoff voltage
  • Low leakage current

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Compact size

Disadvantages

  • Limited maximum clamping voltage
  • Requires proper installation for optimal performance

Working Principles

When a voltage transient occurs, the SMAJ45A-QH conducts excess current to the ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMAJ45A-QH is commonly used in: - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ45A-QH include: - P6KE45CA - 1.5KE45A - SA5.0A

Note: The above information provides a comprehensive overview of the SMAJ45A-QH, including its specifications, features, and applications.

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기술 솔루션에 SMAJ45A-QH 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum reverse voltage of SMAJ45A-QH?

    • The maximum reverse voltage of SMAJ45A-QH is 45V.

  2. What is the typical junction capacitance of SMAJ45A-QH?

    • The typical junction capacitance of SMAJ45A-QH is 150pF.

  3. What is the peak pulse power dissipation of SMAJ45A-QH?

    • The peak pulse power dissipation of SMAJ45A-QH is 400W.

  4. What is the operating temperature range for SMAJ45A-QH?

    • The operating temperature range for SMAJ45A-QH is -55°C to +150°C.

  5. What is the clamping voltage of SMAJ45A-QH at a specified peak pulse current?

    • The clamping voltage of SMAJ45A-QH at a specified peak pulse current is typically 77.4V.

  6. What are the typical applications for SMAJ45A-QH?

    • SMAJ45A-QH is commonly used in surge protection for sensitive electronics, such as telecommunications equipment, industrial control systems, and power supplies.

  7. Does SMAJ45A-QH require a heat sink for proper operation?

    • In most cases, SMAJ45A-QH does not require a heat sink due to its high power dissipation capability.

  8. Is SMAJ45A-QH RoHS compliant?

    • Yes, SMAJ45A-QH is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. What is the packaging type available for SMAJ45A-QH?

    • SMAJ45A-QH is available in various packaging types, including DO-214AC (SMA) and DO-214AB (SMC).

  10. Can SMAJ45A-QH be used for ESD protection in electronic circuits?

    • Yes, SMAJ45A-QH can be used for ESD protection in electronic circuits, providing reliable transient voltage suppression.