SMBJ120A-E3/5B

Product Overview

Category

The SMBJ120A-E3/5B belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

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

Package

The SMBJ120A-E3/5B is available in a DO-214AA (SMB) package.

Essence

The essence of this product lies in its ability to provide robust protection against transient voltage events, thereby safeguarding electronic circuits from damage.

Packaging/Quantity

The SMBJ120A-E3/5B is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

• Standoff Voltage: 120V
• Breakdown Voltage: 133V
• Maximum Clamping Voltage: 193V
• Peak Pulse Current: 10A
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMBJ120A-E3/5B TVS diode has two pins, anode, and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground or negative side.

Functional Features

• Transient voltage suppression
• Bidirectional clamping action
• Low leakage current
• High reliability

Advantages and Disadvantages

Advantages

• Fast response to transient events
• Low clamping voltage protects downstream components
• High surge current capability ensures robust protection

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive protection

Working Principles

The SMBJ120A-E3/5B operates by diverting excessive transient current away from sensitive components when a voltage surge occurs. It rapidly clamps the voltage to a safe level, preventing damage to the circuit.

Detailed Application Field Plans

The SMBJ120A-E3/5B is commonly used in: - Telecommunication equipment - Industrial control systems - Power supplies - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMB120A

  • Standoff Voltage: 120V
  • Breakdown Voltage: 133V
  • Package: DO-214AA (SMB)

• Alternative Model 2: SMCJ120A

  • Standoff Voltage: 120V
  • Breakdown Voltage: 133V
  • Package: DO-214AB (SMC)

In conclusion, the SMBJ120A-E3/5B transient voltage suppressor diode offers reliable protection against transient voltage events, making it an essential component in various electronic applications.

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