Microsemi Corporation
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SMAJ75E3/TR13
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SMAJ75E3/TR13

Product Overview

Category

The SMAJ75E3/TR13 belongs to the category of transient voltage suppressor diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

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

Package

The SMAJ75E3/TR13 is typically available in a DO-214AC (SMA) package.

Essence

The essence of the SMAJ75E3/TR13 lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMAJ75E3/TR13 is commonly packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 75V
  • Breakdown Voltage: 83.3V
  • Maximum Clamping Voltage: 121V
  • Peak Pulse Current: 30A
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The SMAJ75E3/TR13 typically 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 avalanche breakdown protection
  • Fast response to transient events

Advantages

  • Provides effective protection against voltage transients
  • Fast response time helps in minimizing damage to sensitive components
  • Compact size for easy integration into circuit designs

Disadvantages

  • Clamping voltage may still allow some voltage spikes to pass through
  • May require additional circuitry for comprehensive protection in high-risk environments

Working Principles

The SMAJ75E3/TR13 operates by diverting excessive current away from sensitive components when a voltage transient occurs. It achieves this by rapidly conducting when the voltage exceeds the breakdown voltage, effectively clamping the voltage to a safe level.

Detailed Application Field Plans

The SMAJ75E3/TR13 finds extensive use in various applications, including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ75E3/TR13 include: - P6KE75CA - 1.5KE75A - SA75A

In conclusion, the SMAJ75E3/TR13 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in safeguarding sensitive electronic circuits.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ75E3/TR13 en soluciones técnicas

  1. What is the maximum reverse voltage of SMAJ75E3/TR13?

    • The maximum reverse voltage of SMAJ75E3/TR13 is 75V.

  2. What is the typical forward voltage drop of SMAJ75E3/TR13?

    • The typical forward voltage drop of SMAJ75E3/TR13 is 3.5V at 10A.

  3. What is the peak pulse power dissipation of SMAJ75E3/TR13?

    • The peak pulse power dissipation of SMAJ75E3/TR13 is 400W for a 10/1000μs waveform.

  4. What is the breakdown voltage of SMAJ75E3/TR13?

    • The breakdown voltage of SMAJ75E3/TR13 is typically 83.3V.

  5. What is the operating temperature range of SMAJ75E3/TR13?

    • The operating temperature range of SMAJ75E3/TR13 is -55°C to +150°C.

  6. What are the typical applications for SMAJ75E3/TR13?

    • SMAJ75E3/TR13 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and power supplies.

  7. Does SMAJ75E3/TR13 require a heat sink for operation?

    • In most cases, SMAJ75E3/TR13 does not require a heat sink due to its high power dissipation capability.

  8. Is SMAJ75E3/TR13 RoHS compliant?

    • Yes, SMAJ75E3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. What is the package type of SMAJ75E3/TR13?

    • SMAJ75E3/TR13 is available in a DO-214AC (SMA) package.

  10. Can SMAJ75E3/TR13 be used for overvoltage protection in automotive applications?

    • Yes, SMAJ75E3/TR13 can be used for overvoltage protection in automotive applications, providing reliable surge protection for vehicle electronics.