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SMAJ4745E3/TR13
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SMAJ4745E3/TR13

Product Overview

The SMAJ4745E3/TR13 belongs to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are designed to protect sensitive electronics from voltage spikes and transient surges. The SMAJ4745E3/TR13 is commonly used in various electronic circuits to safeguard against overvoltage events. Its characteristics include high surge capability, low clamping voltage, and fast response time. The diode is typically packaged in a small, surface-mount package and is available in tape and reel packaging.

Specifications

  • Part Number: SMAJ4745E3/TR13
  • Category: TVS Diode
  • Voltage Rating: 45V
  • Peak Pulse Power: 400W
  • Package Type: DO-214AC (SMA)

Detailed Pin Configuration

The SMAJ4745E3/TR13 TVS diode features a standard DO-214AC (SMA) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Protects against voltage spikes and transients.
  • Fast Response Time: Quickly clamps excessive voltage to protect downstream components.
  • High Surge Capability: Can handle large transient currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast response time
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited power dissipation capability compared to larger TVS diodes
  • May require additional circuitry for comprehensive surge protection

Working Principles

The SMAJ4745E3/TR13 operates by diverting excess voltage away from sensitive components when a transient event occurs. When the voltage exceeds the diode's clamping voltage, it conducts heavily, shunting the excess energy to ground and protecting the connected circuitry.

Detailed Application Field Plans

The SMAJ4745E3/TR13 is widely used in applications such as: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ4745E3/TR13 include: - P6SMBJ45CA: Similar specifications and package type - 1.5SMC45CA: Higher power handling capability - SMBJ45A: Lower profile package design

In conclusion, the SMAJ4745E3/TR13 TVS diode offers effective protection against transient voltage events in a compact and versatile package. Its fast response time and high surge capability make it suitable for a wide range of electronic applications. However, designers should consider its limitations in power dissipation and may need to complement it with additional protection circuitry for comprehensive surge protection.

技術ソリューションにおける SMAJ4745E3/TR13 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is SMAJ4745E3/TR13?

    • SMAJ4745E3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum working voltage of SMAJ4745E3/TR13?

    • The maximum working voltage of SMAJ4745E3/TR13 is 58.1V.

  3. What is the peak pulse power of SMAJ4745E3/TR13?

    • The peak pulse power of SMAJ4745E3/TR13 is 400W.

  4. How does SMAJ4745E3/TR13 protect electronic circuits?

    • SMAJ4745E3/TR13 clamps the voltage across the circuit it is protecting, diverting excess current away from sensitive components.

  5. What are the typical applications of SMAJ4745E3/TR13?

    • SMAJ4745E3/TR13 is commonly used in telecommunications equipment, industrial automation, automotive electronics, and power supplies.

  6. What is the response time of SMAJ4745E3/TR13?

    • The response time of SMAJ4745E3/TR13 is very fast, typically responding within nanoseconds to voltage transients.

  7. Can SMAJ4745E3/TR13 be used for overvoltage protection in solar panel systems?

    • Yes, SMAJ4745E3/TR13 can be used to protect solar panel systems from overvoltage events such as lightning strikes or grid voltage surges.

  8. Is SMAJ4745E3/TR13 RoHS compliant?

    • Yes, SMAJ4745E3/TR13 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  9. What is the operating temperature range of SMAJ4745E3/TR13?

    • The operating temperature range of SMAJ4745E3/TR13 is typically -55°C to 150°C, making it suitable for a wide range of environments.

  10. How should SMAJ4745E3/TR13 be mounted on a PCB?

    • SMAJ4745E3/TR13 should be mounted using appropriate soldering techniques, following the manufacturer's recommended footprint and pad layout guidelines.