Microsemi Corporation
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SMAJ4737AE3/TR13
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SMAJ4737AE3/TR13

Product Overview

  • Category: Electronic Component
  • Use: Voltage Suppression
  • Characteristics: Fast response time, low clamping voltage
  • Package: DO-214AC
  • Essence: Protects electronic circuits from voltage spikes
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMAJ4737AE3/TR13
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 43.7V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMAJ4737AE3/TR13 is a unidirectional TVS diode with two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

  • Provides transient voltage suppression for sensitive electronics
  • Fast response time ensures minimal damage to protected circuits
  • Low clamping voltage diverts excess voltage away from the circuit

Advantages and Disadvantages

Advantages

  • Protects against voltage surges and transients
  • Fast response time
  • RoHS compliant

Disadvantages

  • Clamping voltage may be too high for some applications
  • Requires careful consideration of placement in circuit design

Working Principles

The SMAJ4737AE3/TR13 works by diverting excess voltage away from the protected circuit when a surge occurs. It does this by rapidly switching into a low-impedance state, effectively shunting the excess energy to ground.

Detailed Application Field Plans

The SMAJ4737AE3/TR13 is commonly used in various electronic devices and systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • Alternative Model 1: P6SMB43CA
  • Alternative Model 2: 1.5KE43CA
  • Alternative Model 3: SMBJ43CA

In conclusion, the SMAJ4737AE3/TR13 is a vital component in protecting electronic circuits from voltage spikes and surges. Its fast response time and low clamping voltage make it an essential part of many electronic systems.

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技術ソリューションにおける SMAJ4737AE3/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 SMAJ4737AE3/TR13?

    • SMAJ4737AE3/TR13 is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What is the maximum peak pulse power of SMAJ4737AE3/TR13?

    • The maximum peak pulse power of SMAJ4737AE3/TR13 is 400 watts.

  3. What is the breakdown voltage of SMAJ4737AE3/TR13?

    • The breakdown voltage of SMAJ4737AE3/TR13 is 43.7 volts.

  4. What are the typical applications of SMAJ4737AE3/TR13?

    • SMAJ4737AE3/TR13 is commonly used in telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics to protect against voltage surges.

  5. What is the operating temperature range of SMAJ4737AE3/TR13?

    • The operating temperature range of SMAJ4737AE3/TR13 is -55°C to +150°C.

  6. How does SMAJ4737AE3/TR13 provide protection against voltage transients?

    • SMAJ4737AE3/TR13 clamps the transient voltage to a safe level, diverting excess current away from the protected circuit.

  7. Is SMAJ4737AE3/TR13 RoHS compliant?

    • Yes, SMAJ4737AE3/TR13 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  8. What is the package type of SMAJ4737AE3/TR13?

    • SMAJ4737AE3/TR13 is available in a DO-214AC (SMA) package.

  9. What are the key specifications to consider when integrating SMAJ4737AE3/TR13 into a design?

    • Key specifications to consider include breakdown voltage, peak pulse power, clamping voltage, and response time.

  10. Can SMAJ4737AE3/TR13 be used in high-speed data line protection applications?

    • Yes, SMAJ4737AE3/TR13 can be used to protect high-speed data lines such as USB, Ethernet, and HDMI interfaces from voltage transients.