SMAJ4742E3/TR13

Product Overview

Category: Diode
Use: Voltage regulation and protection
Characteristics: Low forward voltage drop, high surge capability
Package: DO-214AC (SMA)
Essence: Semiconductor diode for voltage clamping
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: SMAJ4742E3/TR13
• Voltage - Reverse Standoff (Typ): 42V
• Voltage - Breakdown (Min): 46.7V
• Voltage - Clamping (Max) @ Ipp: 68.1V
• Current - Peak Pulse (10/1000µs): 30.3A
• Power - Peak Pulse: 400W
• Type: Zener

Detailed Pin Configuration

The SMAJ4742E3/TR13 diode has a standard DO-214AC (SMA) package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Provides overvoltage protection
• Low leakage current
• Fast response time

Advantages and Disadvantages

Advantages: - High surge capability - Low forward voltage drop - Compact size

Disadvantages: - Limited power dissipation capability - Sensitive to reverse bias voltage

Working Principles

The SMAJ4742E3/TR13 diode operates based on the principle of Zener breakdown. When the voltage across the diode exceeds its breakdown voltage, it conducts heavily to limit the voltage.

Detailed Application Field Plans

The SMAJ4742E3/TR13 diode is commonly used in various applications such as: - Overvoltage protection in power supplies - Surge protection in communication systems - Voltage regulation in automotive electronics

Detailed and Complete Alternative Models

Some alternative models to SMAJ4742E3/TR13 include: - P6SMBJ42CA - 1.5KE47CA - SMBJ47CA

In conclusion, the SMAJ4742E3/TR13 diode is a reliable component for voltage regulation and protection in various electronic circuits, offering high surge capability and fast response time. Its compact size and low forward voltage drop make it suitable for applications where space is limited. However, it is important to consider its limitations in power dissipation and sensitivity to reverse bias voltage when designing circuits.

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