SMCJ18-E3/57T Encyclopedia Entry

Product Overview

The SMCJ18-E3/57T belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The SMCJ18-E3/57T is characterized by its high surge capability, low clamping voltage, and fast response time. It is typically packaged in a DO-214AB (SMC) package and is available in tape and reel packaging with a quantity of 1800 units per reel.

Specifications

• Part Number: SMCJ18-E3/57T
• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-214AB (SMC)
• Packaging/Quantity: Tape and Reel, 1800 units per reel

Detailed Pin Configuration

The SMCJ18-E3/57T follows the standard pin configuration for diodes, with anode and cathode terminals.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.

Advantages and Disadvantages

Advantages

• High surge capability provides robust protection.
• Low clamping voltage minimizes stress on connected devices.

Disadvantages

• May exhibit leakage current at lower voltages.
• Sensitive to reverse voltage polarity.

Working Principles

The SMCJ18-E3/57T operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from sensitive components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ18-E3/57T is commonly used in various applications including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• Alternative Model 1: P6SMBJ18CA
  • Category: Transient Voltage Suppressor Diode
  • Characteristics: High surge capability, low clamping voltage
  • Package: DO-214AA (SMB)
• Alternative Model 2: 1.5SMCJ18A
  • Category: Transient Voltage Suppressor Diode
  • Characteristics: High surge capability, low clamping voltage
  • Package: DO-214AB (SMC)

In conclusion, the SMCJ18-E3/57T transient voltage suppressor diode offers robust protection against voltage spikes and transients, making it an essential component in various electronic applications.

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