SMB8J20CA-E3/52

Product Overview

• Category: Diode
• Use: Voltage regulation and protection
• Characteristics: High surge capability, low forward voltage drop
• Package: DO-214AA (SMB), 2-pin
• Essence: Rectifier diode for voltage regulation
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 20V
• Voltage - Breakdown (Min): 22.2V
• Voltage - Clamping (Max) @ Ipp: 32.4V
• Current - Peak Pulse (10/1000µs): 8A
• Power - Peak Pulse: 600W
• Type: Zener

Detailed Pin Configuration

The SMB8J20CA-E3/52 has a simple 2-pin configuration with the anode and cathode terminals.

Functional Features

• Voltage Regulation: Provides stable voltage output under varying input conditions.
• Overvoltage Protection: Safeguards connected circuits from voltage spikes.
• Fast Response Time: Rapidly clamps transient voltages to protect downstream components.

Advantages and Disadvantages

Advantages

• High surge capability
• Low forward voltage drop
• Fast response time

Disadvantages

• Relatively high reverse leakage current
• Sensitive to temperature variations

Working Principles

The SMB8J20CA-E3/52 operates by utilizing its Zener diode characteristics to regulate and clamp voltages within specified limits. When the voltage exceeds the breakdown voltage, the diode conducts, diverting excess current away from the protected circuit.

Detailed Application Field Plans

This diode is commonly used in electronic circuits requiring overvoltage protection, such as power supplies, automotive electronics, and industrial equipment. It is also suitable for use in portable consumer devices to safeguard against voltage transients.

Detailed and Complete Alternative Models

• SMB8J18CA-E3/52: Lower voltage rating
• SMB8J24CA-E3/52: Higher voltage rating
• SMB8J30CA-E3/52: Higher clamping voltage

In conclusion, the SMB8J20CA-E3/52 diode offers efficient voltage regulation and protection, making it a valuable component in various electronic applications.

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