Vishay Semiconductor Diodes Division
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SMA5J40A-E3/5A
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SMA5J40A-E3/5A

Product Overview

Category

The SMA5J40A-E3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, particularly in applications where protection against transient voltage spikes is crucial.

Characteristics

  • Package: SMA (DO-214AC)
  • Essence: High power handling capability and fast response time
  • Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

  • Peak Pulse Power: 5000W
  • Breakdown Voltage: 40V
  • Maximum Clamping Voltage: 64.5V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMA5J40A-E3/5A has a standard SMA package with two pins for connection to the circuit.

Functional Features

  • Fast response time to transient voltage spikes
  • High power handling capability
  • Low clamping voltage to protect sensitive components

Advantages and Disadvantages

Advantages

  • Effective surge protection for sensitive electronic components
  • RoHS compliant
  • Compact and easy to integrate into circuit designs

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems
  • Limited to specific voltage and power ratings

Working Principles

The SMA5J40A-E3/5A operates by diverting excess transient voltage away from sensitive components, thereby protecting them from damage. When a voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be dissipated.

Detailed Application Field Plans

The SMA5J40A-E3/5A is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • SMA5J48A-E3/61 (48V breakdown voltage)
  • SMA5J58A-E3/61 (58V breakdown voltage)
  • SMA5J70A-E3/61 (70V breakdown voltage)

In conclusion, the SMA5J40A-E3/5A is a vital component in safeguarding electronic circuits from transient voltage spikes, offering efficient surge protection and reliability in diverse applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SMA5J40A-E3/5A v technických řešeních

  1. What is the maximum voltage rating of SMA5J40A-E3/5A?

    • The maximum voltage rating of SMA5J40A-E3/5A is 40V.

  2. What is the peak pulse power dissipation of SMA5J40A-E3/5A?

    • The peak pulse power dissipation of SMA5J40A-E3/5A is 5000W.

  3. What is the typical clamping voltage of SMA5J40A-E3/5A?

    • The typical clamping voltage of SMA5J40A-E3/5A is 64.5V at 77A.

  4. What is the forward surge current of SMA5J40A-E3/5A?

    • The forward surge current of SMA5J40A-E3/5A is 200A.

  5. What are the applications of SMA5J40A-E3/5A?

    • SMA5J40A-E3/5A is commonly used in automotive electronics, portable electronics, and industrial equipment for transient voltage suppression.

  6. What is the operating temperature range of SMA5J40A-E3/5A?

    • The operating temperature range of SMA5J40A-E3/5A is -55°C to +150°C.

  7. Does SMA5J40A-E3/5A comply with RoHS requirements?

    • Yes, SMA5J40A-E3/5A is compliant with RoHS requirements.

  8. What is the package type of SMA5J40A-E3/5A?

    • SMA5J40A-E3/5A is available in a DO-214AC (SMA) package.

  9. Is SMA5J40A-E3/5A suitable for overvoltage protection in power supplies?

    • Yes, SMA5J40A-E3/5A is suitable for overvoltage protection in power supplies and other sensitive electronic circuits.

  10. Can SMA5J40A-E3/5A be used for ESD protection in communication systems?

    • Yes, SMA5J40A-E3/5A can be used for ESD protection in communication systems due to its high surge capability and low clamping voltage.