SMBJ70-E3/5B

Product Overview

The SMBJ70-E3/5B belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for surge protection in electronic circuits. These diodes are characterized by their ability to rapidly respond to overvoltage events, diverting excessive current away from sensitive components. The SMBJ70-E3/5B is typically packaged in a compact, surface-mount design, making it suitable for various applications where space is limited. This TVS diode is known for its high reliability and robustness, offering essential protection for electronic devices.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Surge Protection in Electronic Circuits
• Characteristics: Rapid Response, High Reliability
• Package: Surface-Mount (SMB)
• Essence: Overvoltage Protection
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 70V
• Power (Watts): 600W
• Polarity: Unidirectional
• Operating Temperature: -55°C to 150°C
• Mounting Type: Surface Mount
• Package / Case: DO-214AA (SMB)

Detailed Pin Configuration

The SMBJ70-E3/5B TVS diode features a standard surface-mount package with two pins for connection. The pin configuration includes the anode and cathode terminals, which are crucial for proper installation and functionality within electronic circuits.

Functional Features

• Transient Voltage Suppression: Effectively diverts excess voltage away from sensitive components.
• Rapid Response Time: Provides quick reaction to overvoltage events, safeguarding connected devices.
• High Power Dissipation: Capable of handling substantial power levels during surge events.

Advantages and Disadvantages

Advantages

• Reliable Surge Protection
• Compact Surface-Mount Design
• High Power Handling Capacity

Disadvantages

• Unidirectional Protection Only
• Limited to Specific Voltage Ratings

Working Principles

The SMBJ70-E3/5B TVS diode operates based on the principle of avalanche breakdown, where it rapidly conducts excess current when the voltage exceeds the specified level. By diverting this surge current, the diode protects downstream components from potential damage caused by overvoltage events.

Detailed Application Field Plans

The SMBJ70-E3/5B TVS diode finds extensive application in various electronic systems, including: - Power Supplies - Communication Equipment - Automotive Electronics - Industrial Control Systems - Consumer Electronics

Detailed and Complete Alternative Models

For applications requiring different voltage ratings or form factors, alternative TVS diode models include: - SMAJ5.0A: 5.0V Reverse Standoff Voltage - SMBJ15CA: 15V Reverse Standoff Voltage - SMCJ100A: 100V Reverse Standoff Voltage

In conclusion, the SMBJ70-E3/5B TVS diode offers reliable surge protection in a compact surface-mount package, making it an essential component for safeguarding electronic circuits against overvoltage events.

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