Vishay Semiconductor Diodes Division
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SMA5J40HE3/5A
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SMA5J40HE3/5A

Product Overview

Category

The SMA5J40HE3/5A belongs to the category of semiconductor devices, specifically a type of TVS (Transient Voltage Suppressor) diode.

Use

It is used for surge protection in electronic circuits and systems to safeguard against voltage spikes and transients.

Characteristics

  • Package: SMA (DO-214AC)
  • Essence: High-power TVS diode
  • Packaging/Quantity: Available in reels with varying quantities

Specifications

  • Peak Pulse Power: 5kW
  • Standoff Voltage: 40V
  • Breakdown Voltage: 44.4V
  • Maximum Clamping Voltage: 64.5V
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMA5J40HE3/5A has two pins, anode, and cathode, which are denoted by the "+" and "-" symbols on the device.

Functional Features

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

Advantages and Disadvantages

Advantages

  • Effective surge protection
  • Fast reaction to transient events
  • Wide operating temperature range

Disadvantages

  • Relatively high cost compared to traditional diodes
  • Limited to low-voltage applications

Working Principles

The SMA5J40HE3/5A operates by diverting excess current away from sensitive components when a voltage surge occurs, thereby protecting the circuit from damage.

Detailed Application Field Plans

This TVS diode is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMA6J40HE3/5A
  • SMBJ40CA
  • P6KE39CA

In conclusion, the SMA5J40HE3/5A is a high-power TVS diode designed to provide effective surge protection in various electronic applications. Its fast response time, low clamping voltage, and wide operating temperature range make it a reliable choice for safeguarding sensitive circuits against voltage transients and spikes.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SMA5J40HE3/5A en soluciones técnicas

  1. What is the maximum voltage rating of SMA5J40HE3/5A?

    • The maximum voltage rating of SMA5J40HE3/5A is 40V.

  2. What is the peak pulse power dissipation of SMA5J40HE3/5A?

    • The peak pulse power dissipation of SMA5J40HE3/5A is 5000W for a 10/1000μs waveform.

  3. What is the typical clamping voltage of SMA5J40HE3/5A?

    • The typical clamping voltage of SMA5J40HE3/5A is 64.5V at 77A.

  4. What is the operating temperature range of SMA5J40HE3/5A?

    • The operating temperature range of SMA5J40HE3/5A is -55°C to +150°C.

  5. What are the typical applications for SMA5J40HE3/5A?

    • SMA5J40HE3/5A is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  6. What is the reverse stand-off voltage of SMA5J40HE3/5A?

    • The reverse stand-off voltage of SMA5J40HE3/5A is 40V.

  7. What is the forward voltage drop of SMA5J40HE3/5A?

    • The forward voltage drop of SMA5J40HE3/5A is typically 3.5V at 5A.

  8. Does SMA5J40HE3/5A have a low leakage current?

    • Yes, SMA5J40HE3/5A has a low leakage current of less than 1μA at its rated voltage.

  9. Is SMA5J40HE3/5A RoHS compliant?

    • Yes, SMA5J40HE3/5A is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  10. Can SMA5J40HE3/5A be used for ESD protection?

    • Yes, SMA5J40HE3/5A can be used for ESD (electrostatic discharge) protection in various electronic devices and systems.