Microsemi Corporation
Зображення може бути репрезентативним.
Деталі продукту див. у специфікаціях.
SMAJ120E3/TR13
Переглянути деталі Таблиці даних

SMAJ120E3/TR13

Product Overview

Category: Diode
Use: Voltage clamping
Characteristics: Transient voltage suppressor diode
Package: DO-214AC (SMA)
Essence: Protects sensitive electronic devices from voltage spikes
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Part Number: SMAJ120E3/TR13
  • Voltage - Reverse Standoff (Typ): 120V
  • Voltage - Breakdown (Min): 133V
  • Clamping Voltage (Max) @ Ipp: 193V
  • Current - Peak Pulse (10/1000µs): 9.2A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMAJ120E3/TR13 is a unidirectional TVS diode with two pins. The cathode is connected to the marked side of the package, while the anode is connected to the unmarked side.

Functional Features

  • Provides protection against transient voltage spikes
  • Fast response time
  • Low clamping voltage
  • High surge current capability

Advantages and Disadvantages

Advantages: - Effective protection for sensitive electronic components - Fast response time ensures minimal damage from voltage spikes - Compact package size

Disadvantages: - Clamping voltage may be higher than some alternative models - Limited to unidirectional protection

Working Principles

The SMAJ120E3/TR13 operates by diverting excess current away from sensitive components when a voltage spike occurs. It acts as a shunt to absorb the energy of the transient voltage, thereby protecting downstream circuitry.

Detailed Application Field Plans

This diode is commonly used in electronic circuits that are susceptible to voltage transients, such as power supplies, communication equipment, and automotive electronics. It is particularly useful in applications where protection against ESD (electrostatic discharge) and lightning-induced surges is required.

Detailed and Complete Alternative Models

  • Alternative Model 1: P6KE120CA
  • Alternative Model 2: 1.5KE120A
  • Alternative Model 3: SMBJ120A

In conclusion, the SMAJ120E3/TR13 is a reliable and efficient transient voltage suppressor diode that provides essential protection for sensitive electronic devices. Its fast response time and high surge current capability make it a valuable component in various applications, despite its limitations. Additionally, there are alternative models available for different design requirements, ensuring flexibility in component selection.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SMAJ120E3/TR13 у технічних рішеннях

  1. What is the maximum reverse voltage rating of SMAJ120E3/TR13?

    • The maximum reverse voltage rating of SMAJ120E3/TR13 is 120V.

  2. What is the typical clamping voltage of SMAJ120E3/TR13?

    • The typical clamping voltage of SMAJ120E3/TR13 at peak pulse current is 193V.

  3. What is the peak pulse power dissipation of SMAJ120E3/TR13?

    • The peak pulse power dissipation of SMAJ120E3/TR13 is 400W for an 8/20µs waveform.

  4. What are the typical applications of SMAJ120E3/TR13?

    • SMAJ120E3/TR13 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of SMAJ120E3/TR13?

    • The operating temperature range of SMAJ120E3/TR13 is -55°C to +150°C.

  6. Is SMAJ120E3/TR13 RoHS compliant?

    • Yes, SMAJ120E3/TR13 is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  7. What is the package type of SMAJ120E3/TR13?

    • SMAJ120E3/TR13 is available in a DO-214AC (SMA) package.

  8. Does SMAJ120E3/TR13 require any special handling during assembly?

    • SMAJ120E3/TR13 should be handled using standard ESD precautions during assembly to prevent damage to the device.

  9. Can SMAJ120E3/TR13 be used for overvoltage protection in power supply circuits?

    • Yes, SMAJ120E3/TR13 can be used for overvoltage protection in power supply circuits to safeguard against transient voltage spikes.

  10. Are there any recommended layout considerations when using SMAJ120E3/TR13 in a PCB design?

    • It is recommended to minimize the length of the traces between SMAJ120E3/TR13 and the protected circuitry and to provide a low impedance path to ground for optimal performance.