Vishay Semiconductor Diodes Division
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
SMBJ40HE3/5B
Lihat Butiran Helaian data

SMBJ40HE3/5B

Product Overview

  • Category: Electronic Component
  • Use: Voltage Suppression in Electronic Circuits
  • Characteristics: Transient Voltage Suppressor Diode
  • Package: DO-214AB (SMC)
  • Essence: Protects sensitive electronic components from voltage spikes
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 40V
  • Voltage - Breakdown (Min): 44.4V
  • Voltage - Clamping (Max) @ Ipp: 64.5V
  • Current - Peak Pulse (10/1000µs): 10A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The SMBJ40HE3/5B has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

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

Advantages and Disadvantages

Advantages

  • Effective protection of sensitive electronic components
  • Fast response to voltage spikes
  • Compact package size

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive protection

Working Principles

The SMBJ40HE3/5B operates by diverting excess voltage away from sensitive electronic components, thereby preventing damage due to transient voltage events. When the voltage exceeds the breakdown voltage, the diode conducts and clamps the voltage to a safe level.

Detailed Application Field Plans

The SMBJ40HE3/5B is commonly used in various electronic circuits and systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to SMBJ40HE3/5B include: - SMAJ40A - SMCJ40A - P6SMBJ40A

In conclusion, the SMBJ40HE3/5B is a vital component in protecting electronic circuits from voltage transients, offering fast response and effective clamping capabilities. Its compact package and high surge current capability make it suitable for a wide range of applications in different industries.

[Word Count: 317]

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SMBJ40HE3/5B dalam penyelesaian teknikal

  1. What is the SMBJ40HE3/5B?

    • The SMBJ40HE3/5B 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 the SMBJ40HE3/5B?

    • The maximum peak pulse power of the SMBJ40HE3/5B is 600 watts for an 8/20μs waveform.

  3. What is the breakdown voltage of the SMBJ40HE3/5B?

    • The breakdown voltage of the SMBJ40HE3/5B is 44.4V.

  4. What are the typical applications of the SMBJ40HE3/5B?

    • The SMBJ40HE3/5B is commonly used in telecommunications equipment, computers, industrial and consumer electronics, and automotive systems to protect against voltage surges and transients.

  5. What is the operating temperature range of the SMBJ40HE3/5B?

    • The SMBJ40HE3/5B has an operating temperature range of -55°C to +150°C.

  6. What is the response time of the SMBJ40HE3/5B?

    • The response time of the SMBJ40HE3/5B is very fast, typically less than 1 picosecond.

  7. How should the SMBJ40HE3/5B be mounted on a PCB?

    • The SMBJ40HE3/5B should be mounted with the cathode side facing the input voltage source and with short leads to minimize inductance.

  8. What are the key differences between SMBJ40HE3/5B and other similar diodes?

    • The SMBJ40HE3/5B offers higher peak pulse power and lower clamping voltage compared to many other similar diodes, making it suitable for more demanding applications.

  9. Can the SMBJ40HE3/5B be used in high-frequency applications?

    • Yes, the SMBJ40HE3/5B can be used in high-frequency applications due to its fast response time and low capacitance.

  10. Is the SMBJ40HE3/5B RoHS compliant?

    • Yes, the SMBJ40HE3/5B is RoHS compliant, making it suitable for use in environmentally conscious designs.