SMAJ4745CE3/TR13

Product Overview

• Category: Diode
• Use: Voltage regulation and protection
• Characteristics: High surge capability, low leakage current, fast response time
• Package: DO-214AC (SMA)
• Essence: Semiconductor diode for voltage clamping
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Reverse Standoff (Typ): 45V
• Voltage - Breakdown (Min): 50V
• Clamping Voltage @ Ipp: 77V
• Peak Pulse Current: 30.6A
• Power Dissipation (Max): 400W
• Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

The SMAJ4745CE3/TR13 diode has two pins in a standard DO-214AC package.

Functional Features

• Provides overvoltage protection
• Fast response time to transient voltage events
• Low clamping voltage to protect sensitive electronic components

Advantages and Disadvantages

Advantages

• High surge capability
• Low leakage current
• Fast response time

Disadvantages

• Relatively high clamping voltage compared to some alternatives

Working Principles

The SMAJ4745CE3/TR13 operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from sensitive components to protect them from damage.

Detailed Application Field Plans

This diode is commonly used in various electronic circuits and systems to protect against voltage transients and surges. It is widely employed in power supplies, communication equipment, automotive electronics, and industrial control systems.

Detailed and Complete Alternative Models

• Alternative Model 1: P6KE47CA

  • Category: Diode
  • Use: Voltage regulation and protection
  • Characteristics: High surge capability, low leakage current, fast response time
  • Package: DO-15
  • Essence: Semiconductor diode for voltage clamping
  • Packaging/Quantity: Bulk, 1800 units per box

• Alternative Model 2: 1.5KE47CA

  • Category: Diode
  • Use: Voltage regulation and protection
  • Characteristics: High surge capability, low leakage current, fast response time
  • Package: DO-201
  • Essence: Semiconductor diode for voltage clamping
  • Packaging/Quantity: Ammo Pack, 500 units per pack

In conclusion, the SMAJ4745CE3/TR13 diode is a reliable component for voltage regulation and protection in various electronic applications, offering high surge capability and fast response time. While it has some disadvantages, its performance and characteristics make it a popular choice for many design engineers and manufacturers.