Vishay Semiconductor Diodes Division
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SMB8J40CAHE3/5B
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SMB8J40CAHE3/5B

Product Overview

The SMB8J40CAHE3/5B belongs to the category of semiconductor devices and is commonly used for voltage clamping in electronic circuits. This diode exhibits characteristics such as high surge capability, low leakage current, and fast response time. It is typically packaged in a surface-mount format and is available in quantities suitable for both small-scale and large-scale electronic manufacturing.

Specifications

  • Part Number: SMB8J40CAHE3/5B
  • Category: Semiconductor Diode
  • Voltage Clamping: 40V
  • Package Type: Surface Mount
  • Quantity: Available in various packaging options

Detailed Pin Configuration

The SMB8J40CAHE3/5B features a standard surface-mount package with two pins, typically denoted as the anode and cathode.

Functional Features

  • High surge capability
  • Low leakage current
  • Fast response time

Advantages and Disadvantages

Advantages

  • Effective voltage clamping
  • Suitable for high surge applications
  • Fast response time enhances circuit protection

Disadvantages

  • Limited voltage clamping range
  • Sensitive to reverse voltage polarity

Working Principles

The SMB8J40CAHE3/5B operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds its clamping level, thereby protecting downstream components from overvoltage conditions.

Detailed Application Field Plans

The SMB8J40CAHE3/5B is widely used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • SMB8J36CAHE3/5B: 36V voltage clamping
  • SMB8J48CAHE3/5B: 48V voltage clamping
  • SMB8J60CAHE3/5B: 60V voltage clamping

In conclusion, the SMB8J40CAHE3/5B serves as a crucial component in electronic circuits, providing effective voltage clamping and surge protection. Its fast response time and low leakage current make it suitable for a wide range of applications, despite its limitations in voltage clamping range and sensitivity to reverse voltage polarity.

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  1. What is the SMB8J40CAHE3/5B?

    • The SMB8J40CAHE3/5B is a transient voltage suppressor diode designed to protect sensitive electronic components from voltage spikes and transients.

  2. What is the maximum peak pulse power of the SMB8J40CAHE3/5B?

    • The maximum peak pulse power of the SMB8J40CAHE3/5B is 800 watts.

  3. What is the breakdown voltage of the SMB8J40CAHE3/5B?

    • The breakdown voltage of the SMB8J40CAHE3/5B is 40 volts.

  4. What are some typical applications for the SMB8J40CAHE3/5B?

    • Typical applications for the SMB8J40CAHE3/5B include protection of power supplies, communication systems, industrial equipment, and automotive electronics.

  5. What is the operating temperature range of the SMB8J40CAHE3/5B?

    • The SMB8J40CAHE3/5B has an operating temperature range of -55°C to +150°C.

  6. What is the package type of the SMB8J40CAHE3/5B?

    • The SMB8J40CAHE3/5B comes in a surface mount DO-214AA (SMB) package.

  7. Does the SMB8J40CAHE3/5B comply with any industry standards?

    • Yes, the SMB8J40CAHE3/5B complies with the RoHS directive and is halogen-free.

  8. What is the clamping voltage of the SMB8J40CAHE3/5B?

    • The clamping voltage of the SMB8J40CAHE3/5B is 64.5 volts at 10A.

  9. Can the SMB8J40CAHE3/5B be used for ESD protection?

    • Yes, the SMB8J40CAHE3/5B can be used for electrostatic discharge (ESD) protection in various electronic circuits.

  10. Is the SMB8J40CAHE3/5B suitable for high-speed data lines?

    • Yes, the SMB8J40CAHE3/5B is suitable for protecting high-speed data lines in applications such as Ethernet, USB, and HDMI interfaces.