SMBG4750E3/TR13

Product Category

The SMBG4750E3/TR13 belongs to the category of surface mount, unidirectional TVS (transient voltage suppressor) diodes.

Basic Information Overview

• Use: The SMBG4750E3/TR13 is used for protecting sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
• Characteristics: It is characterized by its low clamping voltage, high surge capability, and fast response time.
• Package: The SMBG4750E3/TR13 comes in a SMB (DO-214AA) package.
• Essence: Its essence lies in providing robust overvoltage protection for various electronic circuits and systems.
• Packaging/Quantity: It is typically available in reels with a quantity of 3000 units per reel.

Specifications

• Peak Pulse Power: 5000W
• Breakdown Voltage: 47.5V
• Operating Voltage: 38.8V
• Clamping Voltage: 65.3V
• Peak Pulse Current: 143A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBG4750E3/TR13 has two pins, with pin 1 being the cathode and pin 2 being the anode.

Functional Features

• Transient Voltage Suppression: Effectively suppresses transient voltages to protect downstream components.
• Fast Response Time: Rapidly responds to transient events to safeguard connected circuits.
• Low Clamping Voltage: Ensures that the clamping voltage remains low during transient events, minimizing potential damage.

Advantages and Disadvantages

• Advantages:
  • High surge capability
  • Fast response time
  • Low clamping voltage
• Disadvantages:
  • Sensitive to reverse polarity connection
  • Limited to unidirectional protection

Working Principles

The SMBG4750E3/TR13 operates based on the principle of avalanche breakdown, where it rapidly diverts excess current away from sensitive components when a transient voltage event occurs.

Detailed Application Field Plans

The SMBG4750E3/TR13 is commonly used in applications such as: - Power supplies - Communication systems - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMBG4750E3/TR13 include: - SMAJ48A - SMCJ48A - P6SMB47A

In conclusion, the SMBG4750E3/TR13 is a vital component in protecting electronic equipment from transient voltage events, offering high surge capability and fast response time. Its application spans across various industries, and while it has certain limitations, its advantages make it a popular choice for overvoltage protection.

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