Vishay Semiconductor Diodes Division
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
SMAJ48HE3/5A
Ver Detalle Hojas de datos

SMAJ48HE3/5A

Product Overview

Category

The SMAJ48HE3/5A belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

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

Package

The SMAJ48HE3/5A is typically available in a DO-214AC (SMA) package.

Essence

The essence of the SMAJ48HE3/5A lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

The SMAJ48HE3/5A is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Reverse Standoff Voltage: 48V
  • Breakdown Voltage: 53.3V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to 150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The SMAJ48HE3/5A typically consists of two pins, with the anode connected to the positive side and the cathode connected to the negative side.

Functional Features

  • Transient voltage suppression
  • Bidirectional clamping capability
  • Low incremental surge resistance

Advantages

  • Provides robust protection against voltage transients
  • Fast response time ensures minimal impact on the protected circuit
  • Compact form factor

Disadvantages

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

Working Principles

When a transient voltage event occurs, the SMAJ48HE3/5A conducts excess current away from the protected circuit, limiting the voltage across it to a safe level.

Detailed Application Field Plans

The SMAJ48HE3/5A finds application in various fields, including: - Telecommunications equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ48HE3/5A include: - P6KE48CA - 1.5SMC48CA - SMBJ48CA

In conclusion, the SMAJ48HE3/5A serves as a crucial component in safeguarding electronic circuits from transient voltage events, offering fast response times and high surge current capabilities. Its compact form factor makes it suitable for a wide range of applications, although users should consider its limitations in power dissipation and the potential need for supplementary protection circuitry.

Word count: 398

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMAJ48HE3/5A en soluciones técnicas

  1. What is the maximum reverse voltage of SMAJ48HE3/5A?

    • The maximum reverse voltage of SMAJ48HE3/5A is 48V.

  2. What is the peak pulse power dissipation of SMAJ48HE3/5A?

    • The peak pulse power dissipation of SMAJ48HE3/5A is 400W.

  3. What is the breakdown voltage of SMAJ48HE3/5A?

    • The breakdown voltage of SMAJ48HE3/5A is typically 53.3V.

  4. What are the typical applications of SMAJ48HE3/5A?

    • SMAJ48HE3/5A is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the response time of SMAJ48HE3/5A?

    • The response time of SMAJ48HE3/5A is very fast, typically in the nanosecond range.

  6. Is SMAJ48HE3/5A suitable for overvoltage protection in power supply circuits?

    • Yes, SMAJ48HE3/5A is suitable for overvoltage protection in power supply circuits due to its high surge capability and fast response time.

  7. Can SMAJ48HE3/5A be used for ESD protection in data communication interfaces?

    • Yes, SMAJ48HE3/5A can be used for ESD protection in data communication interfaces to safeguard against electrostatic discharge events.

  8. What is the operating temperature range of SMAJ48HE3/5A?

    • The operating temperature range of SMAJ48HE3/5A is typically -55°C to 150°C.

  9. Does SMAJ48HE3/5A require any external components for proper operation?

    • SMAJ48HE3/5A does not require any external components for basic surge protection, but additional circuitry may be needed for specific applications.

  10. Is SMAJ48HE3/5A RoHS compliant?

    • Yes, SMAJ48HE3/5A is RoHS compliant, making it suitable for use in environmentally conscious designs.